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"description": "It's the last day of the Christmas visit! Soon Aunt Lindsey, Uncle Bob and Cousin Ellie will load back into their station wagon and be on their way home, but there's a little more in store before they hit the road. After they leave, Jennifer decides it's time to have a heart-to-heart with her brother to lay all the cards on the table. She's in for a surprise... she's not the only one with secrets to tell.\n\n- -\n\nFinally finishing up this arc in the Shire Horse Harem story! The next segments should be shorter, so hopefully the wait for the next installment won't take as long. Still, with this final part the 'Christmas Visit' arc ended up at about 124,000 words which is solidly in the 'novel' range and about what my earlier novel 'Blue and Gray' was. And that's not counting earlier installments with these characters or the stuff I still want to do with them!\n\nAnyway, thanks to you guys for reading and for sticking around in the long gaps between posts!",
"description_bbcode_parsed": "It's the last day of the Christmas visit! Soon Aunt Lindsey, Uncle Bob and Cousin Ellie will load back into their station wagon and be on their way home, but there's a little more in store before they hit the road. After they leave, Jennifer decides it's time to have a heart-to-heart with her brother to lay all the cards on the table. She's in for a surprise... she's not the only one with secrets to tell.
- -
Finally finishing up this arc in the Shire Horse Harem story! The next segments should be shorter, so hopefully the wait for the next installment won't take as long. Still, with this final part the 'Christmas Visit' arc ended up at about 124,000 words which is solidly in the 'novel' range and about what my earlier novel 'Blue and Gray' was. And that's not counting earlier installments with these characters or the stuff I still want to do with them!
Anyway, thanks to you guys for reading and for sticking around in the long gaps between posts!",
"writing": "Sunday, December 26, 1997\n\n\nHoliday music was still playing at low volume from the CD player when Matt opened his eyes. It was dark enough in the living room for him to tell that the sun hadn’t come up yet, but it was brighter than it should be if the only source of illumination had been the twinkling lights of the Christmas tree.\n\nThe half-asleep 14-year-old shire horse blinked a few times, then rubbed his eyes. What time was it? He looked over at the VCR, to the small display on the front panel. 5:45, it said. Too early to wake up. Best to get some more sleep.\n\nBut it [i]was[/i] brighter than it should have been. Starting to wake up now, Matt turned his head and saw that the kitchen light was on.\n\nAh, that makes sense, he thought. He could hear, now, the faint sound of chopping coming from the kitchen, then the whir of some kind of appliance. His uncle Bob must be up already, cooking breakfast. No, too early for cooking. He was… what did he call it? Food prep? Matt didn’t really know what all that entailed, but he assumed chopping was part of it. What he did know was how good his uncle’s food always was, so it made sense that a lot of time and work went into it.\n\nThat was something to look forward to when it was time to wake up for real. So Matt closed his eyes, hoping to fall back asleep.\n\nBut that hope didn’t last long. Yes it was still dark, still too early to wake up, but he was aware now that there was a pressing need he’d have to attend to before he would be able to sleep again.\n\nHe had to pee.\n\nMatt sighed. He didn’t mind getting up, but the floor plan of the Shire’s family home made it more complicated than that. Their house was old. It was usually neat and tidy, and it was in good repair, but it was old. That meant creaky floorboards, old kitchen appliances for Bob to wrangle with, and most pressingly for Matt, it meant that the floor plan was a little weird. There were only two bathrooms in the three-bedroom home, but along with all three bedrooms, both bathrooms were upstairs. One was the one he never used, the en-suite connected only to his mom’s bedroom. The other one, of course, was the one between and connecting his room and Jennifer’s.\n\nWhat this meant in practice for Matt, laying on the couch, was that he would have to go through someone’s bedroom to get to the bathroom. And with his uncle occupied in the kitchen, there was really no question which bedroom he was going to enter. Besides, it was his bedroom. He didn’t need anyone’s permission to enter.\n\nMatt lifted the blanket off of himself and let it fall to the floor. Ellie’s decision to do it out in the open last night prevented the blanket from getting covered in cum, but as his damp pants and shirt attested they’d still needed something to clean it up. Maybe he should take a shower while he was in the bathroom? But he quickly thought better of it. Running the shower might wake up his aunt Lindsey, or potentially worse, his sister Jennifer. Matt had been getting as much action as he could handle over the past few days, but Jennifer hadn’t been laid since their relatives arrived days ago. She might jump in with him if he took a shower.\n\nMaybe that wouldn’t be such a bad thing…\n\nNo, he thought as he rolled over quietly, sat up and planted his hooves on the carpeted floor. There will be plenty of time for that when his uncle Bob, aunt Lindsey and cousin Ellie are gone. \n\nEllie. He looked down at her as he crept across the dimly-lit living room. She was fast asleep with the blanket pulled tight around her. She deserved to rest after yesterday, Matt thought. They’d fucked, what, four times in one day? Quite a debut for someone who was a virgin less than 48 hours ago.\n\nAs he looked at her serene face Matt thought about some of the things she’d said last night. In her mind he was her ‘boyfriend’ now, destined to someday be her husband. Fantasy, Matt thought. If she wanted to think that it was fine, but it didn’t change anything as far as Matt was concerned. They wouldn’t see each other for months, and he was definitely not going to stop sleeping with Jennifer. But what Ellie didn’t know wouldn’t hurt her.\n\nThe only actual change was that he’d probably spend more time talking to her on the phone for the next few months, which was also fine as far as he was concerned. Talking to Ellie was always fun. She did mention that her mom would sneakily listen in on calls sometimes though. That made total sense – Matt knew his aunt Lindsey was the type to hatch schemes and skulk and would absolutely secretly listen in on her daughter’s phone calls. And if that happened, one of them would eventually say something that might tip her off that their relationship was now sexual. Maybe he should think of some other way to talk to her.\n\nBut he’d figure that out later. Right now he just had to pee.\n\nMatt reached the stairs and started climbing carefully. He was taking slow, deliberate steps to avoid making any noise, just like Jennifer had the previous night. He was as familiar with the house as she was, and he had the added bonus of weighing a third as much as Jennifer, so even if he did accidentally step on one of those squeaky floorboards it wouldn’t make too much noise.\n\nBut he avoided them all, and before long he was at the top of the staircase looking down the dark hallway. The door to his bedroom was the first on the left. A few measured steps and he was at the doorway.\n\nHis door was closed. He hoped it wasn’t locked, but that was unlikely since Bob was the last one to use it. Slowly, carefully, he turned the knob. It was unlocked. He turned it all the way to the right, smoothly, silently, until he couldn’t turn it any more.\n\nMatt opened his door only an inch, just a crack to peer inside his room. He put his eye to the sliver. Whether it was the faint black-purple hint of twilight casting the smallest amount of light into the room, the reflection of a street lamp or even the dim glow of the moon, he couldn’t say, but there was just enough light coming from the window for Matt to see inside.\n\nThere was a lump under the covers on the left side of his bed. That would be his aunt Lindsey, of course. Matt waited for a few seconds, looking and listening for any indication that she might be awake. All he could hear was her gentle breathing, and there wasn’t enough light for him to see much beyond rough shapes.\n\nMatt furrowed his brow, suddenly disappointed in himself. What did it matter if she was asleep? It was his room! He was just going to the bathroom! There was no reason to sneak around like this beyond the common courtesy of trying not to wake up his aunt.\n\nStill, what had happened between him and his aunt over the past few days was cause enough for pause. With all the fun he’d been having with Ellie it seemed almost like a dream, but it was definitely real. She had seduced him, she had forced him to have sex with her, and later they’d had sex again under more amicable circumstances.\n\nAs Matt crept silently past the foot of his bed and finally made it to his bathroom this was all fresh on his mind, along with what his aunt’s reaction would be if she knew he had taken her daughter’s virginity on the same day they had sex. The question of [i]why[/i] his aunt would seduce him never entered Matt’s train of thought. After all, if Jennifer was to be believed he had the biggest cock around, so of course his aunt wanted it. Mares were, as he had learned in the past few months, a lot hornier than he was led to believe earlier in his life. They all wanted dick, they wanted it constantly, and he had it to give to them. What else was there to figure out?\n\nCarefully and quietly Matt slipped into the pitch-dark bathroom and closed the door behind him with the utmost care. Finally he could pee. He squinted and winced when he turned on the light, eyes adjusted to the sudden flood of light.\n\nThere was a slight problem, though it was one Matt was well-acquainted with. Like every morning, he woke up with a boner. His 14-inch horse cock was pinned against his thigh by his pants, the end of it down at his knee. This situation was made worse by him thinking about the past couple days, both with his cousin and his aunt. There was also the fact that both mares had been in heat for the entire duration of their visit and now the entire house with swimming with their pheromones. Matt was unaware of this. He was also unaware that he had already impregnated them both, but this was beside the point. He just had to pee, and peeing with a raging hard-on was always uncomfortable.\n\nMatt dropped his pants down to his ankles to free his oversize cock. He lifted the toilet seat and, like aiming a cannon, directed it towards the bowl. He was short enough, his cock long enough and the toilet big enough (the largest size available, marketed to Shires and other extra large horse breeds) that the tip was actually past the rim of the toilet, nearly dipping into the water itself.\n\nPeeing with an erection is hard, especially when it has to travel through 14 inches of constricted tubing. Matt knew that the only way to do it was in short, high-pressure bursts. Nothing could be done for it though, so he got to it.\n\nThe first burst was a lot louder than he was expecting as the high-pressure stream of piss splashed into the water. Was it loud enough to wake his aunt? His sister? Maybe. So he stopped before doing it again, trying to think of a way to minimize the noise.\n\nThe answer was simple. But it was a little gross. It was like a garden hose; if the water is being sprayed into a bucket it’s loud, but if you put the hose in the bucket and under the water it’s silent. Still… did he really want to dip his dick in toilet water?\n\nHe tried another burst, thinking he might be able to augment it to not be as forceful and, thereby, not as loud. But he was unsuccessful. If anything this time it was even louder.\n\nWhatever, he thought. The water is clear, it looks clean enough, it’s probably fine. Besides, he could wash his dick off with tons of soap in the sink, so no big deal.\n\nMatt bent his knees. His hips lowered, and with it his dick. Only the tip needed to be submerged so he didn’t even have to bend his knees much at all. Just the tip.\n\nHe tried not to think about it as the tip of his unflared horse cock dipped into the water. It was colder than he was expecting. Whatever, it’s done now, he thought. Dick’s in toilet water. Let’s make it quick. So he let off another burst of pee through his rock-hard shaft. Another. Another. Another. He could see the clear water in the bowl turning yellow as he emptied his bladder. But most importantly of all, it didn’t make any noise.\n\nAfter more than a dozen straining bursts he was finally done. He realized now that he still had to flush the toilet, which would also be pretty loud. Kind of a big oversight, he found himself thinking, shaking his head. Still, it had to be done. And flushing the toilet was actually significantly quieter than blasting a dozen super-soaker-like shots into the bowl. So he depressed the handle and flushed.\n\nMatt went to the sink while the piss-water was still spinning in the toilet bowl. He turned the knob so that only a small amount of water flowed from the faucet so as not to make unnecessary noise. He squirted some soft soap from the dispenser and coated the tip of his penis.\n\nMatt started washing it, kneading it to build up lather. But as he did he could feel something else. This motion, necessary as it was to clean it after a dunk in toilet water, was almost identical to the way he would masturbate when he was trying to cum as quickly as possible. In just a few seconds he could feel himself on the verge of cumming. He was just trying to wash his cock, but he was inadvertently edging himself.\n\nHe backed off, running the tip under cold water. Think non-horny thoughts, he told himself. Don’t think about Ellie. Don’t think about Jennifer. Don’t think about his aunt Lindsey laying in bed on the other side of the door. Think about algebra. Think about playing Space Fox 64.\n\nHe tried to lather up again. It occurred to him that Space Fox 64 had a really hot blue fox character. It was all going wrong! So he ran his cock under cold water again.\n\nMatt went through this cycle a couple more times until he was satisfied that his cock, after being dipped in toilet water, was sufficiently clean. Still, all that hands-on attention to his cock was having an effect. As he pulled up his plaid pajama pants and flicked the bathroom light switch off, he was feeling incredibly horny. He didn’t have to pee any more, but his cock was as hard as it could possibly be. He really, really needed to fuck. With everyone in his house about to wake up and start the day he knew Ellie wasn’t an option. He would have sex that night with Jennifer – that was guaranteed given how horny she was sure to be after several days without getting laid – but that was a long time to wait. There was no relief in sight.\n\nUnless…\n\nIt clicked for him as he pushed the bathroom door open just a bit. More of an epiphany, really, a sudden understanding. Through the small gap he could see the outline of his aunt under the covers of his bed, just a little more clearly than before as the sun would be rising soon. [i]His[/i] bed. [i]His[/i] covers. And after a couple days ago, [i]his[/i] mare.\n\nMatt pushed the door open silently, then stepped into his room. He didn’t go to the bedroom door, back into the hallway. Instead, he dropped down. His cock sprung up like the branch of a tree, throbbing hard and now dripping with precum after his accidental edging over the sink and the omnipresent scent of mare in heat. Just as quickly he pulled his shirt off, letting it drop on top of his pajama pants in a pile on the floor.\n\nHis aunt was still asleep. Matt was now, after taking a few steps, standing next to the bed on the empty side where Bob had slept the previous night. Without any hesitation or doubt Matt lifted the covers and slid under them.\n\nThe rustling and jostling on the other side of the bed woke Lindsey up. The 32-year-old mare, who always slept naked, now felt a hand on her left breast, then her right. Through the short-lived transitional fog of being woken up unexpectedly, she realized she was being groped.\n\n“Bob… Bob, stop…” she said almost in a whisper.\n\nBut ‘Bob’ didn’t stop. She felt him sidling up to her, then his body press against hers.\n\n“Bob… Bob stop it… what’s gotten into you?” She said more forcefully. This was not at all like her husband. They only ever had sex at night, and it was her initiating it almost every time. For her husband to spontaneously feel her up like this in the morning was so uncharacteristic that, even seconds after being awoken, she knew something wasn’t right.\n\nShe started to push him away, shoving on his arm and stomach. Something was wrong. He seemed very light. His arms were small, thin. His stomach… Bob had a gut, but whoever this was did not. She pushed harder. No, this definitely wasn’t Bob. Whoever this was was only about half his weight.\n\nShe grabbed hold of her assailants arms with both hands. But she felt something else pressing against her stomach. It was like another arm. But if she was holding onto both of them, that could only mean…\n\n“Matt??!!” she exclaimed.\n\n“Aunt Lindsey! I…” Matt started.\n\n“What are you doing?” Lindsey interrupted.\n\n“I couldn’t stop thinking about the other day, and…”\n\n“Where’s Bob?” she interrupted again.\n\n“What? Oh, he’s in the kitchen, I think he’s…”\n\n“What are you doing?” Lindsey demanded, again interrupting her nephew. She had been sound asleep just twenty seconds ago and her brain was racing.\n\n“I just… I couldn’t stop thinking about the other day! You’re so pretty Aunt Lindsey, and it felt so good…” Matt said.\n\nThis was, for lack of a better term, an act. With Ellie, he’d pretended he was losing his virginity with her and experiencing things for the first time. He flattered her, and whenever he did she melted like butter in his hands. If that worked for Ellie, he figured it would probably work for her mom, too. Yes, she knew he and Jennifer had been having sex, but acting more naive than he was about sex was worth a shot.\n\nFor her part, Lindsey saw right through her horny little nephew’s ploy. But now she was wide awake and the gears in her mind were turning. Bob was busy in the kitchen and, if she knew him, he’d be there for some time to come. Having sex with Matt would still be risky, of course, but this was another opportunity for her to make sure she achieved her overarching plan: to get pregnant by her nephew and have her husband believe the foal was his. She didn’t know that plan had already succeeded – he’d knocked her up the first time they had sex between the dumpsters behind the big box retail store. All she knew was that he’d creampied her twice. A third time would be good insurance.\n\nBesides, her little nephew’s plan was so clumsily transparent and obvious that it was almost adorable. Almost. Just like him.\n\nAnd then there was that cock of his. She didn’t want to admit it to herself – she couldn’t – but after experiencing that monster she’d never be satisfied with her husband again. Bob just couldn’t measure up.\n\n“Shh…” was all she said to Matt. He would have tried to awkwardly seduce her if she gave him the chance, and Lindsey would have played along to make him think he was an irresistible charmer, but she didn’t want to waste any time. She couldn’t afford to. Every second Matt was in bed with her was another second that Bob could unexpectedly return and catch them in the act. She had to act with the singular goal of getting her nephew to cum inside as quickly as possible.\n\nMatt felt his aunt’s hands grab onto his arms. Seconds ago she had been pushing him away, but now she pulled him on top of her with startling strength. That wasn’t what surprised him the most, though. What surprised him the most was that she was already naked. He’d expected that he’d have to work at getting her out of her clothes, but apparently she slept without any. And, almost as apparently, she wanted him even more than he wanted her.\n\nBefore he knew it his aunt Lindsey had positioned him on top of her, his legs straddling her body with his huge cock laying flay on her bare stomach. In the dim light, with his head nestled between his aunt’s small breasts he could see her looking at him with an almost predatory intensity.\n\n“Aunt Lindsey…” he managed to squeak, but before he could get any more words out she she had pulled his face to hers and they were kissing.\n\nThis wasn’t the romantic, passionate type of kissing he enjoyed with Ellie. With his aunt it was an intense, hungry, almost aggressive action. She shoved her whole tongue into his mouth like she was conquering new territory, her lips almost gripped onto his mouth like she wanted to eat his face.\n\nWith the same acute intensity Matt felt her hands let go of his arms and slide around his midsection. With both hands she gripped his cock with firm determination and immediately began stroking up and down, up and down his length.\n\nEllie may have had exuberance and youthful enthusiasm, but Matt’s aunt Lindsey definitely had experience on her side. She was so skillful that she made a handjob feel almost like his dick was already in her pussy. Without thinking Matt started thrusting his hips, humping into her hands.\n\nLindsey jutted her head up a few inches, then broke the kiss to put some distance between their faces.\n\n“That feel good? You like that?” she whispered to her nephew. His shaft was in her hands but the tip of his penis was dribbling precum between her small, A-cup breasts.\n\n“Y-yes…” Matt answered, even though the question had been more rhetorical. Lindsey rolled with it anyway.\n\n“Yeah? I’ve got something that feels a whole lot better than that, sweetie. You want to feel really good? You want to put it in my cookie?” she said softly.\n\nMatt didn’t answer. Instead Lindsey felt him try to wiggle backwards under the sheets to get into position. That was enough of an answer for her.\n\nShe let his shaft slide smoothly out of her hands, leaving them coated with the clear slime. Like a slug it left a smear across her chest and belly as her nephew awkwardly shuffled away from her, deeper under the covers.\n\n“Is it…” Matt started.\n\n“Safe?” Lindsey interrupted, having already anticipated the question. “Absolutely. One-hundred percent, today is a totally safe day. So when you have to sperm make sure you let it all out inside me, okay?”\n\nMatt nodded his head and continued his backwards slide. He didn’t think about why his aunt had told him to ‘make sure’ he came inside her rather than just telling him it was fine if he did.\n\nHe was still thinking about last night, how it had been after midnight when he came inside Ellie. He was pretty sure there that kind of thing didn’t work on a strict timetable, such that it was safe for him to creampie Ellie at 11:59 but when the clock struck midnight all bets were off. However, his knowledge of mare reproductive cycles was so flawed and incomplete that he wasn’t absolutely confident. Lindsey’s reassurance that today was for sure a ‘safe day’ put his mind at ease. Now he could fuck his aunt with peace of mind.\n\n“That’s it, just like that. Good boy…” Lindsey said, encouraging her nephew like she was praising a golden retriever. “Put it in there. Right were it belongs…”\n\nHer nephew finally scooted far enough down her body so that he was aligned properly. Matt’s cock was so large and cumbersome that this was always a logistical challenge in itself, but with his head on her chest and his knees down near her hooves with his entire body deep under the warm sheets of his bed he was ready. Lindsey wrapped her fingers around the bulbous but unflared tip of his penis. On instinct his hips bucked, and Lindsey had to wrestle the dripping shaft back to her eagerly waiting, winking pussy.\n\n“Come on…” she whispered to herself. Her little nephew’s hips were thrusting and his cockhead poking wildly, probing for any crevice to bury itself into.\n\nFinally, aided by Lindsey’s skilled hands and after a few missed pokes, the dimpled horse cock-head found purchase and hit its mark.\n\n“That’s it, right there, that… [i]oohhhh[/i]…” she moaned as her puffy black pussy lips parted for her mate – her true mate, not her husband but the stallion that was the true father of her foal.\n\nInch after inch of his burning-hot shaft slid into her, smooth as silk thanks to the glut of lubricating precum it had been dripping since he climbed on top of her and aided by her own wetness. Matt felt his aunt’s warmth and tightness enveloping his cock as he pushed further and further.\n\n“Mmmm, yess… that’s it…” Lindsey whispered after the initial shock of the biggest cock she’d ever seen entering her for the third time. The experience was so unlike how it felt when she had sex with Bob that it was almost incomparable.\n\nHer hands left Matt’s shaft as it sunk deeper inside her, gliding around his body and onto his slim butt. The rod inside her was all stallion, but there was no mistaking as she gripped tightly onto her nephew’s little tush that her partner was so much younger, just a colt in every way but one.\n\nMatt felt his aunt gripping his butt tightly. He started humping slowly, gently. When his hips moved forward she pulled him into her, and when he retreated for another push she relented.\n\n“Nnhh…” Matt grunted softly.\n\n“Does it feel good, sweetie? Does my cookie feel good?” Lindsey whispered to the 14-year-old colt.\n\n“Y-yes… Aunt Lindsey…” Matt answered roughly. He was starting to breathe more heavily.\n\n“Good… I want to make you feel good, Matt. And the best way you can show me I did a good job is to let all your sperm out in my cookie. That makes [i]me[/i] feel good,” Lindsey whispered, trying to encourage her nephew to cum as fast as possible. “Can you do that for me Matt? Can you let all your sperm out inside my cookie?”\n\nLindsey didn’t hear a response from Matt. He just kept humping her methodically at the same pace as she clenched onto his butt cheeks.\n\n“Let it out, Matt. Let all your sperm out inside me, as quick as you can. It will feel so good…”\n\nDespite her coaxing, her diminutive partner was not quickening his pace, and Lindsey felt no indication that he was anywhere near climax.\n\n“Are you close?”\n\n“No… Aunt Lindsey, I…” Matt said weakly before his aggressively assertive aunt cut him off again.\n\n“Hurry up!” she demanded with growing impatience.\n\nMatt felt her grip tighter onto his butt cheeks. She pulled him into her as deep as he could go. His aunt Lindsey may not have had the sheer bulk of his sister, but all the time she spent in the gym really paid off. Aunt Lindsey was a lot stronger than she looked. If she wanted to keep Matt pinned to her, there was little he could do.\n\nThis wasn’t too concerning for Matt; he had long ago made peace with the fact that all the mares in his life were far stronger than him. But now she wasn’t just pulling him in when he thrust forward. She was now actively pushing as well, effectively treating him like a sex toy that she was manually operating.\n\n“Aunt Lindsey… that’s not helping,” Matt protested weakly.\n\n“Just… just finish. Inside me…” Lindsey responded, ignoring the complaints from her nephew and seemingly unable to realize that treating Matt like a dildo was not the fastest way to make him cum.\n\nFor another few seconds Lindsey continued, almost shaking her nephew’s hips like a jug of orange juice at this point. But to her surprise she could feel that, if anything, her violent rattling and desperate attempt to make Matt cum faster was having the opposite effect. Was he… yes, he was, she realized. His dick was actually starting to go soft inside her. She was being too forceful.\n\n“Dang it, Matt!” She found herself exclaiming in her own brand of self-censoring exasperation, as if it were his fault and not hers for being overzealous.\n\n“What did I… hey!” Matt said, his eyes widening as his aunt easily lifted him completely off her. With a pop his long, leathery horse cock was ejected from Lindsey’s slick pussy. She rolled quickly to her left, letting him drop down onto the bed on his side, and just as rapidly she rolled on top of him, keeping her right arm up to prevent the bed sheet and covers they were under from rolling with them.\n\nMatt now found his aunt on top of him, straddling his body. They both knew what was next, and she wasted no time; the eviction of Matt’s veiny 14-inch shaft from her puffy equine pussy was only temporary. She again grabbed onto the tip while lifting her hips up off her smaller mate, her butt and lifted tail pushing against the bottom of the sheet and blanket covering them both. She expertly maneuvered Matt’s cock back between her legs and, unceremoniously and abruptly, she lowered herself back onto it.\n\n“Hhhnnnh…” she exhaled as her nephew’s cock disappeared into her again, her pussy lips parting and eagerly accepting what her body recognized as her mate. The fact that each new time Matt’s cock entered her, it constituted a new act of adultery, a fresh instance of betraying the husband she loved dearly and who sacrificed so much for her and a daughter that wasn’t even his – that no longer registered with Lindsey.\n\nShe didn’t even feel bad about cheating on her husband any more. If he never found out, there wasn’t even anything to feel bad about in the first place, right? This was the best outcome for everyone, she had convinced herself to believe. Whether or not Bob was the father was irrelevant. He would be the [i]dad[/i] for the foal now growing inside her, even if her 14-yeor-old nephew was the father.\n\nThese were the things she told herself to justify what she was doing. But the overriding factor, the one that she would never admit but that her body placed top priority on, was a lot simpler. This cock – her nephew’s massive, beautiful, gorgeous cock that she was riding on again – was just too good. She became Matt’s mare the moment it entered her for the first time.\n\nBut still, she had a lot to lose if Bob ever discovered the truth. If he ever found out that she cheated on him, that the foal wasn’t his, that it was the product of incest and the father wasn’t even in high school… that might complicate things. So even if Lindsey no longer regretted or felt remorseful for any of it, she still had to keep it hidden. That was why she was staying so quiet, that was why she took all the precautions, that was why even now, bouncing on Matt’s dick, she made sure that she remained completely under the bed sheets and blanket.\n\n“Are you close?” she asked Matt. Her head was next to his now on the pillow, her body draped onto him like a blanket as she gyrated her hips. He was hard again, fully, so she hoped it wouldn’t be much longer. His little hands were on her hips and he was bucking up into her eagerly.\n\n“Closer…” was Matt’s reply.\n\nLindsey squinted, her lips pursed, though with her head next to Matt’s he wasn’t able to see her annoyed expression. Every second this went on this risk continued to rise. Did Matt even realize that?\n\n“Just keep going like this and… nnh… and I’ll cum soon,” he informed his aunt. Fair enough, she thought. With all the cardio work she put in at the gym, keeping this pace was easy. All she had to do was keep riding this oversized, underaged dick and she’d get that third insurance creampie. This was wholly unnecessary, since she was already pregnant from Matt, but she didn’t know that.\n\n“S-sorry. I meant I’ll ‘sperm’ soon,” she heard Matt say.\n\n“Fine. Just hurry,” she said into his ear while rolling her eyes. Yes, she used euphemisms like ‘sperm’ for cum and ‘cookie’ for pussy, but it wasn’t like she didn’t know what the words meant. Matt was cute, but he could be a little dim sometimes, she thought. Hopefully their foal would inherit his better attributes and not his brain. After all, Ellie was going to be a doctor, so this one would need to be something comparable. Something that made a lot of money. Maybe a lawyer? A banker?\n\nWhat Lindsey didn’t know was that while her mind was wandering about the career prospects of her unborn foal and her body was on autopilot, bouncing on her nephew’s cock and filling the room with the steady sound of the bed creaking and the [i]plap-plap-plap-plap[/i] of sex, her worst fear was about to come true. At that moment, her husband was coming up the stairs.\n\n“Dum-dee-doo, wum-ba-dum-dumm…” Bob, ever cheerful, was humming to himself as he flicked the light switch in the upstairs hallways. He walked the few steps from the top of the staircase to Matt’s bedroom door.\n\nNeither Matt or Lindsey saw the light from under the door signaling Bob’s arrival. They couldn’t; Lindsey had her face buried in a pillow and Matt was completely under the bed covers from head to hoof with his aunt on top of him. This fact – that even while they fucked, Lindsey made sure they stayed totally underneath the bedsheets and blankets – was more important than either of them realized.\n\nThe door swung open slowly. Bob, under the impression that his wife was still asleep, was trying to keep from waking her. But despite his best efforts, the door creaked loudly and bright light from the hallway flooded into the bedroom.\n\nLindsey stopped riding her underaged mate’s dick the moment it happened, her eyes widening to the size of her husband’s balls and her body dropping down onto Matt, taking him inside her to the hilt. Her nephew was now something she had to hidden. Thinking that Bob may have seen her bouncing, she jerked her head to the side in an intentionally exaggerated way to make sure her husband knew she was not asleep.\n\n“Oh! Did I wake you? Sorry! I was trying to be quiet, I…” Bob fumbled. His wife was looking back at him over her shoulder with daggers in her eyes, a look that screamed ‘get out this instant.’\n\nAnd Bob read his wife’s expression perfectly. She was indeed looking at him in a way that shouted ‘get out this instant,’ though not at all for the reason he thought. Understandably, Bob thought she just wanted to get a little extra sleep after being awoken by his clumsy entrance – ‘get out, I want to go back to sleep.’ What the dagger-eyed look was actually conveying was the much more specific ‘get out, you can’t be here right now. I’m busy breeding my nephew. It’s very rude to interrupt your wife while she is mating with her stud. You’re not welcome here, not right now. You need to leave. Come back after he fills me with cum.’\n\nHer words didn’t align with this look, of course.\n\n“It’s fine, I was already awake. What do you want?” She asked trying to remain calm. Matt was trying to stay perfectly still underneath her, but she could hear him breathing, and if she could hear him then Bob might be able to as well.\n\n“Oh! Nothing, I was just going to take a shower. Got the croissants in the oven so I figured I had a few minuted before I had to start…”\n\n“Fine! Yes, good! Go ahead and take a shower, please,” Lindsey said in a way that betrayed her anticipation, much too forceful and eager for the situation.\n\nBob paused for a moment. He knew his wife well enough to know that something else was going on.\n\n“You okay?” he asked.\n\n“Just fine! Was trying to get a little more sleep before you walked in, so if you could just go ahead and take your shower that’d be nice…” Lindsey said to her husband rather gruffly and dismissively.\n\nBut Bob was in no hurry. The way his wife was laying on the bed was a little unusual. She was laying on her stomach, which Bob knew was a position she never slept in. It was hard to tell since she was under the covers and thick blanket, but from the little hill Bob saw on the bed she seemed to be hiking up her butt. And her legs seems to be spread just slightly.\n\nA light bulb went off in his head. Of course! That explained the movement he saw under the covers when he walked in, the way she jerked her head in obvious surprise, the fact that she seemed to want him to leave immediately to get back to what she was doing before he walked in. She was in the middle of something, Bob realized. It was obvious! She was masturbating!\n\nWith a sly grin on his face Bob ambled over to the foot of the bed. He placed one knee down on it, then the other, and shuffled up towards Lindsey, straddling her legs. He noticed that she pulled them together as soon as he put his knee down, which was good because he wasn’t very flexible.\n\n“What are you doing?!” Lindsey yelped, almost in panic. Underneath her Matt was holding his breath, frozen in fear. His cock – all 14 inches of it – was still buried inside his aunt. When she slammed her legs together her internal grip on his penis became like a vice, so any change in position on his part was out of the question.\n\n“Just admiring your derriere, oh beautiful wife of mine. You’ve got it lifted up like you want a good smack!” he joked, slowly and ungracefully ambling on his knees further up the bed until his hips were almost touching Lindsey’s raised butt.\n\n“I do [i]not[/i] want a smack. I want to sleep. Go away. Go take your shower…” she said, unable to think of anything else. ‘Go away honey, I’m busy being bred and you’re not welcome in our bed right now. Come back after Matt’s sired a foal in me’ probably wouldn’t have been the best alternative.\n\n“No smacks? I think you deserve a few for what you’re hiding under those blankets…” Bob said.\n\nIcy fear gripped both Lindsey and the little colt she had pinned underneath her.\n\n“I’m not hiding anything!” she yelped. She couldn’t have sounded more guilty if she tried.\n\n“You’ve never been a good liar! I know what’s going on under those covers!” Bob said.\n\nIt was still dark in the bedroom, just a thin pencil of light shining in from the hallway, so neither Bob nor Lindsey could see each others’ faces clearly. If Bob could see the expression on his wife’s face, he would be able to recognize abject terror. If she could see his, she would be able to see his mischievous smile and tell he was joking with her. But they were each in their own little world based on what they thought was happening.\n\n“Well, one of two things going on under the covers. Option one,” Bob said, “is that you’ve somehow found yourself a pint-sized, hot-blooded stallion lover and are hiding him underneath you. You naughty little minx, you sly fox! Where would you even find a stud like that?”\n\nMatt couldn’t move a muscle. His mouth was dry, he was subconsciously holding his breath. He couldn’t feel his left hand because his aunt Lindsey was gripping his wrist so tight it was cutting off circulation. Every muscle in her body was tensed – her pussy was gripping his cock just as hard and he could feel the ridged, firm muscles of her abs on his own soft belly.\n\n“Option two,” Bob continued with a chuckle, “which I think is a [i]heckin’-heck[/i] of a lot more likely, is that you were…”\n\nHe paused for dramatic effect.\n\n“Masturbating!!” he exclaimed. “Flickin’ the bean, shuckin’ the oyster, hittin’ the kitten!!”\n\n“Bob…” Lindsey started without a clear destination.\n\n“Oh, don’t deny it. Nothing to be ashamed of! You don’t have to…” Bob said, pausing again for dramatic effect, [i]“beat around the bush!”[/i]\n\nHe started laughing. Lindsey was able to gather her thoughts enough to figure out the situation. He had seen her bouncing on Matt’s cock, but he misinterpreted it as an especially vigorous masturbation session.\n\nFine. Not ideal, but fine, Lindsey thought. That’s the best way out of this situation now. Just roll with it.\n\n“Okay, okay. You caught me. I was… masturbating,” Lindsey said.\n\n“Rubbin’ the nubbin’! I knew it!” Bob declared with satisfaction.\n\nHe shuffled further up the bed until his hips were on Lindsey’s raised butt and put both hands on her flanks. Just inches below, concealed by blankets and his wife, was Matt, still balls deep in his wife.\n\n“You know, you don’t have to jill-off if you’re feeling horny. I can help you with that. It’s kind of what husbands are for.”\n\nShit, Lindsey thought. There was no way she could allow him into bed. She had to deflect.\n\n“Go take your shower first,” she said.\n\n“Well I might need another shower after we do it so… two birds, one stone?” He said. He was rubbing her butt now, unaware of what was so close to his hands.\n\n“Shower first, then sex,” Lindsey said as sternly as she could given the circumstances.\n\n“I’ll make it quick,” Bob offered.\n\n“Wow, quick sex. So tempting,” Lindsey said sarcastically. “You smell like bacon grease and sausage. Go take a shower.”\n\n“Fine…” Bob said, pushing himself up from behind his wife and stepping off the bed towards the shower. He knew better than to press the issue with his wife when it came to sex. “But it’s gonna be a quick shower. And I can’t guarantee I’ll get rid of the sausage smell. You might have to take a look at it for me!”\n\nLindsey rolled her eyes.\n\n“Go take your shower…” she said.\n\n“Okee dokee. Be right back, don’t get off without me!”\n\nAnd with that quip, Matt’s uncle Bob walked into the bathroom and closed the door behind him.\n\nMatt started to move, but Lindsey tightened her grip on his wrist even more.\n\n“Not yet you idiot!” She whispered hoarsely. “Wait until he turns on the water!”\n\nShe was right, of course. It was the same way Matt knew his sister was taking a shower way back when he would peep on her from the space under the door, back when sex was still just a fantasy. If you could hear the water, they were in the shower and you were safe.\n\nA moment passed, and both aunt and nephew remained silent and motionless. Then, they finally heard the water start flowing in the shower on the other side of the bathroom door.\n\nLindsey wasted no time. She’d considered whether to abort this entire session, kick Matt out of his own room. He’d already creampied her twice in the past few days. She was in the most fertile period of her heat. Surely that was enough to guarantee pregnancy? Probably. But one more never hurt, and after today – after [i]right now[/i] – would she ever have another chance? Not for at least 6 months, the next time they visited.\n\nDamn it, why not. He’s already hilted inside you. If you’re going to do it, you have to do it now. There’s no time to lose.\n\nWithout easing into it, as if she had never stopped, Lindsey started bouncing up and down again on Matt’s cock. He was going to cum, by god. She would make him.\n\n“Aunt Lindsey, that’s…” Matt started.\n\n“Zip it! We don’t have time! Bob could get out of the shower any minute! Hurry up and finish in me!”\n\n“Aunt Lindsey, wait! I can cum faster if I am on top!” Matt managed to blurt out without his aunt cutting him off.\n\nShe stopped bouncing momentarily, the gears turning in her head.\n\n“Fine, whatever works. Just do it…” She said. At the same time she grabbed Matt in a bear hug and rolled over on her back, taking him with her without requiring him to pull out. Suddenly Matt found himself on top of his aunt, missionary position.\n\n“Well? What are you waiting for? You gonna start humping or what?” Lindsey demanded.\n\nBut Matt was having none of it. He hadn’t worked all the pieces out yet, chiefly [i]why[/i] his aunt wanted him to cum inside her so desperately. But what he had figured out from the marital exchange he had just interloped upon was that there was something he was able to offer to his aunt that Bob simply was incapable of. And he thought he knew what it was. What else could it be? It was his dick, the 14-inch behemoth that had already ensnared his sister and his cousin.\n\nHe wasn’t right, of course, but he wasn’t completely wrong either. What Lindsey wanted when all this started was his cum, nothing else. And even now, that was what she told herself she wanted, just that and nothing more. She was convinced that it was as simple as that.\n\nBut whether she would admit it or not, something changed in her the last time they had sex. Matt was offering her something her husband couldn’t provide, and now that she’d had it she would never be satisfied with Bob again. Whether she accepted it or believed it was irrelevant; it was simply the truth, and she would have realized it sooner or later on her own. But it was Matt’s intention for her to realize it right here, right now.\n\nSlowly, gently, sensually he started trusting his hips, almost teasing his aunt with how slowly his thick black horse cock was sliding in and out of her.\n\n“You feel so good, Aunt Lindsey… you’re so beautiful…” Matt said in a way he meant to be seductive.\n\n“Tch…” was the dismissive noise she made, turning her head to one side to convey she was not receptive to Matt’s compliments. “If it helps you to finish, fine…”\n\n“No, I mean it. You’re the most beautiful mare I’ve ever seen,” he said, rocking his hips. He was looking at her face but she was still looking away. Her single-minded focus on making Matt cum was still there, but something else was happening.\n\n“Flattery won’t work. Just hurry up…” She said without conviction. Another thing she would never admit was that flattery did work very well on her, in no small part because her husband barely ever gave her the kind of compliments she liked to hear.\n\n“I’m serious,” Matt said. He lifted his upper body up off his aunts, putting some space between their chests and stomachs while continuing to slow fuck her. “Your body is so… your stomach is incredible. I can’t imagine how much work it must take...”\n\nShe felt her nephew’s little hands on her tight, toned stomach. He let his hands slide over the defined, muscular ridges.\n\nLindsey’s head was still turned to the side. She liked to think of herself as headstrong, confident, unmoved by adulation, but the reality was the total opposite. Deep down her ego demanded recognition of all the hard work she did to maintain her body, all the clever thoughts she had and skillful manipulation of those around her to make things go her way. Deep down Lindsey was a narcissist, and like all narcissists her biggest weakness was flattery.\n\nShe felt something. A warmth in her cheeks, blushing. A tingle in her stomach as her nephew groped her abs. She did work hard for this body, and Bob never expressed any appreciation for it. Matt fed her ego like her husband didn’t. Matt filled her up like her husband couldn’t.\n\n“It does take a lot of work. Lots of long hours in the gym, almost every day. Most people can’t…” Lindsey said, bragging while trying to sound like she wasn’t.\n\n“I think it’s amazing,” Matt said as his hands traces up her body, over her small boobs, almost flat in this position while laying on her back. Just a few days ago she was swatting his hands away from her boobs, but now she found herself relishing Matt’s touch. Her nephew’s hands went up her neck to her head. Matt started turning her head back up towards him so that she would look him in the eye, and Lindsey let him. “I think [i]you’re[/i] amazing…”\n\nThe sun outside was rising in earnest, and Matt’s bedroom was getting brighter from the light filtering in from the window. The two shire horses, aunt and nephew, could see each others’ faces clearly now. For a moment they looked into each others eyes. Matt had initiated, but Lindsey took the lead. She closed her eyes, tilted her head up, ran her fingers through the short black hair of Matt’s mane and pulled him to her. Their lips met and they melted into a passionate kiss.\n\nLindsey’s focus on getting Matt to cum in her as fast as possible seemed like a distant memory. In just a few moments and with just a few flattering words, Matt had been able to bend his aunt into the pliable sex goddess he knew she could be. While their tongues locked and glided past one another, making out like high-schoolers that neither of them were, Matt started pumping his hips both faster and deeper, plunging in and out farther with each thrust. He felt his aunt Lindsey’s hand going down his back and once again finding his butt, gripping onto it tightly. That seemed to be something that really pushed her buttons, having a firm grip on his little butt while he pounded her hard.\n\nAfter nearly a minute of kissing, Matt lifted his head up and opened his eyes while maintaining the same pace with his hips. The look on his aunt’s face when she opened her eyes was totally different than before. No longer domineering and demanding, her eyes now screamed lust and obedience. It was the same look he had seen many times in her daughter’s eyes, his cousin Ellie who was convinced that someday she would be his wife.\n\nEllie, at this point, was totally his. She had been effectively enthralled by the 14-inch magic wand he had between his legs. Now, it seemed, his aunt was similarly enchanted.\n\n“You were going to have sex with Bob if I wasn’t here,” he whispered, looking into her eyes.\n\n“He’s my husband…” she said without much conviction, like it was something she was supposed to mention out of obligation.\n\n“But he doesn’t notice how hard you work to get this body,” Matt said, doubling down on what he had identified as a key point for his aunt. He was still undulating his hips, slower now, sensually.\n\n“Not usually,” she said.\n\n“And he doesn’t give you the attention you deserve. He doesn’t appreciate everything you do for him,” Matt said.\n\n“He’s… nnh… he’s busy with work a lot of the time,” Lindsey said in her husband’s defense.\n\nThis was a massive understatement. Behind Bob’s cheerful and easy-going demeanor was a very hard-working and competent executive. He was, in fact, one of the highest-ranking directors at a large financial corporation in the city. Lindsey knew that, and she knew that he worked long hours and was able to afford a very nice home for her and Ellie along with pretty much anything else she asked for – including the huge ring on her finger – but she severely underestimated how much money he actually made. On his income he could easily support Lindsey’s entire family, if the need ever arose, along with any number of foals if he and his wife could ever solve their fertility problem.\n\n“That’s no excuse,” Matt said, knowing nothing about the actual responsibilities of adulthood or the difficulty of supporting a family.\n\n“He’s my husband…” she said again with even less conviction than before.\n\n“He can’t give you what you need. I can.”\n\nHe was trying hard just to emulate the cheesy lines he’d heard in some of the sappy romance movies his mom watched. The words weren’t his, this definitely wasn’t his personality, but if these were the things he needed to say to get an older mare to fall for him, then he’d try his best to say the words.\n\n“Matt…” Lindsey whispered, her train of thought having no clear destination, eating up the words that Matt was just parroting. Bob was a perfect provider, amazing husband and wonderful dad. But her little nephew was right. Bob couldn’t give her what she needed, not [i]everything[/i]. Emotionally, financially, romantically, Bob was her guy. But [i]physically[/i] it was Matt. Bob would never be able to satisfy her again, not after she’d experienced Matt. From the first taste of that thick, black, 14-inch horse cock her nephew was packing, there was no going back.\n\nMatt could see whatever mental resistance his aunt had was failing. He still didn’t understand why, but it was clear to him that she had tried to manipulate him into sex a few days ago. Now he was the one calling the shots. He had her daughter fully, Ellie was his in any way he wanted. Now it was his aunt Lindsey’s turn.\n\nHe leaned in again to kiss her, a tactical decision given the current circumstances. There was no resistance as their lips made contact again, only compliance and unbridled lust.\n\nAfter a short moment he broke off the kiss. Still slowly pumping his hips, his horse cock gliding smoothly in and out of his aunt, he \n\n“Tell me what you want, Lindsey,” Matt whispered, intentionally leaving ‘aunt’ out of it and addressing her by only her first name. Another trick he’d learned from third-rate cinema.\n\n“I want your…” she started.\n\n“Yes? You want my what?”\n\n“I want your… your thingy…” Lindsey breathed, her voice transformed totally by lust but still using the childish euphemisms Matt had grown accustomed to from both her and Ellie.\n\n“It’s yours. Any time you want it,” Matt said reassuringly. “How much do you like my cock?”\n\n“S-so much…” she moaned, truthfully.\n\nMatt had started humping faster and faster, working himself up while working up his aunt.\n\n“Yeah? Do you love it?” Matt teased.\n\n“Y-yes, I love it…” Lindsey answered.\n\n“Is it better than Bob’s?”\n\n“Yes… y-yes…” Lindsey exhaled. Her hands gripped tighter onto Matt’s butt as he pounded her harder and harder with each passing second.\n\n“How much better?”\n\n“So much… so much better…”\n\n“And bigger?” Matt asked.\n\n“Oh my god, so much bigger…” Lindsey confirmed.\n\n“Yeah? He’s that small?” Matt said, teasing his aunt.\n\n“Yes… yes, he’s so small. You’re so much bigger. Oh my god. Bob’s got nothing on you,” she said eagerly.\n\nFaster and faster Matt pounded his aunt. Listening for the continued noise of the shower in the bathroom, Lindsey’s vigilance in making sure she was not caught in the act, was forgotten. All that mattered was this little colt with the big cock pumping in and out of her.\n\nNow came the moment for Matt to see how far his aunt was willing to go. He already had her to the point where she was trash-talking and disrespecting her own husband in favor of her young stud. If she was to be his in the same way her daughter was, he had to push the limits.\n\nWith his right arm Matt reached back to his right butt cheek, where his aunt was holding on like she was gripping the safety harness on a roller coaster. His hand slid over hers. He slowed his hip thrusts enough to be able to delicately search for the object he was looking for.\n\n“You don’t have to rely on him for [i]this[/i],” Matt said, thrusting to the hilt when he spoke. “You can have it any time. Like I’m your husband. Your [i]secret[/i] husband…”\n\nMatt’s little fingers tightened around his aunt’s finger, the one with his aunt’s wedding ring with the huge 3-carat diamond. He was expecting some kind of resistance from her, ranging from muscle tension to outright pushing him off her, but there was none. Smoothly and gently he worked the ring off her finger. And she let him.\n\n“I want your… I want your [i]cock[/i]. I want it all the time,” Lindsey moaned, all control and restraint lost. It was the first time Matt had ever heard her use anything other than a kindergarten euphemisms for sex, and that was how he knew that she was now completely under his spell.\n\n“You got it. Any time you want, it’s yours” Matt grunted. He’d sped up again and now each thrust was so forceful that there was an audible slap every time when his immense balls smacked into his aunt’s butt. “You want my cum?”\n\n“Yes… yes!” Lindsey answered without any hesitation. Her exuberance wasn’t from her scheme to get knocked up by Matt, not from her master plan to deceive Bob into thinking the foal was his. Now, her desire for her nephew’s cum was purely carnal, purely animalistic, purely sexual. She didn’t want it for the laundry list of reasons her conniving mind came up with before her Christmas visit to her relatives’ house. She just wanted it. Now.\n\n“Say it!” Matt exclaimed far too loudly to be safe from the potential of Bob hearing it. He clutched her wedding ring tightly with one hand, and with the other he was gripping his aunt’s shoulder just as hard. He was close now, almost at his breaking point, trying to hold off cumming for just a few more seconds until his aunt begged for it. She was close too, charged with a raw sexual energy that her husband was unable to provide.\n\n“I want it!” Lindsey called out obediently.\n\n“You want what?” Matt demanded.\n\n“Your… your [i]cum[/i]! I want your cum in me! Cum inside me!!”\n\nWith a final determined thrust Matt rammed all 14 inches of his black horse cock into his aunt’s winking pussy.\n\nIn one singular moment, both mare and colt, both aunt and nephew climaxed. The bulbous head of Matt’s cock ballooned out to three times its normal size, stretching his aunt from the inside, and at the same time the first mighty, thick fire-hose blast of hot cum erupted out. Instantly, from just the first pulse, Lindsey’s womb was filled with the potent teenage ‘sperm’ she coveted so intensely.\n\nHe made no noise of exclamation, but Matt’s eyes squinted, his upper lip curled and, in what was typical for him when he came, his upper teeth bit down onto his lower lip like he was making a protracted ‘ffffff’ sound. It was almost the opposite of his aunt’s face, eyes rolled back, mouth wide open with her long horse tongue lolling off to the side, lost in her own planet of coursing, rolling pleasure.\n\nEven though he was already as deep as he could be in his aunt, Matt thrust again with his second ejaculatory pulse. With Lindsey’s pussy already full, she started stretching from the inside to accommodate more and more cum, sealed in by the huge mushroom-like flare of Matt’s cumming horse cock. Cum washed over the budding clump of cells implanted in Lindsey’s uterine wall, the egg fertilized less than 48 hours ago.\n\n“[i]Ohhhh fuuuuuuck!![/i]” Lindsey moaned. It was only the second time she’d ever used that word in her life, the first being when she told Ellie’s biological father to ‘go fuck himself.’\n\nMatt paid this no mind. He was busy riding out the incestuous orgasmic wave, breeding his aunt and pulsing jet after jet of foal-making cum into her. Another and another, four, five, six pulses, and with each one her womb stretched just a little more. He ran his fingers over her abs and up to her small breasts as the number of ejaculatory spasms hit double digits. He didn’t really appreciate all the hard work and sacrifices his aunt made to achieve this toned look, but he didn’t really care; her body was sexy, that was enough for him.\n\n“Huuuhhnn… uhhhnnnn…” Lindsey moaned, quieter and more subdued as she rode out the weakening surges of bliss radiating throughout her body, emanating from the warm core inside her that was the deepest reaches of her filled, plugged horse pussy. She was still gripping onto Matt’s butt as tight as she could with both hands.\n\nWith his final few ejaculatory pulses, Matt stopped squinting and opened his eyes fully again. One hand was still on his aunt’s stomach, but the other was clutching tightly onto the wedding ring he had pried off her finger without any resistance. It was a lot brighter in the room now than it had been just moments ago. Soon little beams of sunlight would shine in through the open window blinds.\n\nBelow him, he saw sense and mental clarity returning to his aunt Lindsey after the last waves of her crashing, encompassing orgasm washed over her. In the dim golden light of morning, their eyes met again, and immediately they both leaned in for a post-coital kiss.\n\nTheir orgasms had passed, but both Matt and Lindsey were still too caught up in the moment to realize that there was no longer any noise coming from the other side of the bathroom door. The shower was no longer running.\n\nMatt broke off the kiss. Lindsey opened her eyes to see her young lover above her, his eyes shining with lustful, youthful energy and his whole face smiling the same subtle sex-drunk grin she had as well. For a moment they just gazed at one another, reveling in the warmth and the glow as the first ray of sunlight entered through the window.\n\nThe moment lasted a few seconds, maybe five – five seconds of perfection shared between aunt and nephew.\n\nIt was shattered just as fast.\n\n“[i]Domo arigato, Mr. Roboto, domo! Domo![/i]”\n\n“Oh fuck!” Lindsey burst out, her face changing from joy to terror in an instant. It was the third time she’d ever used that word.\n\nWith an almighty shove she pushed Matt off her and off the bed entirely, tossing him to the floor almost effortlessly. There was another loud [i]thop[/i] noise as his cock was pulled out of Lindsey, like a wine bottle being uncorked, and like champagne it was followed by an almost explosive deluge, cum spraying all over the sheets.\n\nMatt wasn’t as perturbed by being thrown to the floor as his aunt might have thought he would be. It wasn’t the first time a stronger mare threw him off his own bed, and it wouldn’t be the last. He was mostly just curious what prompted it this time.\n\n“He’s out of the shower! You have to get out!” Lindsey said in the most panicked whisper Matt had ever heard.\n\nNow Matt widened too with the realization that the shower was off. What his aunt knew that he didn’t was that Bob only, and always, started singing Mr. Roboto when he was drying off after a shower. It was a song he never sang at any other time – one of his innumerable quirks. But that meant that it would be less than a minute before that door opened and Bob was in the room with them.\n\n[i]“You’re wondering who I am, secret secret, I’ve got a secret!”[/i]\n\nMatt scrambled to his hooves, cum still dripping onto the floor from his cock. It was still hard, the end of it was still flared after being ejected from his mate much sooner than normal. He bolted for the door.\n\n“Matt!” Lindsey called. “Your clothes!”\n\nIn his panic Matt almost ran out of his room stark naked. He quickly dashed to the side of his bed, right next to the bathroom door that his uncle would open any second, and grabbed his plaid pajama pants and T-shirt. Almost falling at he pivoted awkwardly, he tried putting one leg into his pants – at which point he did trip and fall on his face onto the floor.\n\n“What are you doing?! Put your clothes on in the hallway! Get out!” Lindsey pleaded. Cum was still dribbling from her pussy; it was all over the bed, the sheets, the pillows, the floor, and her own body. The quantity her nephew could pump out from those huge balls slung underneath his shaft was nothing short of astonishing. There was no way she’d be able to hide it when Bob came back into the bedroom.\n\nWith one leg in his pajama pants Matt hopped towards the door. He tripped again, falling to his knees. Almost in disbelief at how clumsy and uncoordinated he was, Lindsey watched with mouth agape as he shuffled, finally, out the door on his knees.\n\nLindsey had been holding her breath for some time, tensely expecting her husband to burst through the bathroom door at any moment. But now, finally, she could exhale and breathe a sigh of relief.\n\nA few seconds of respite, that was all she got. A few seconds of believing that she’d gotten away with it.\n\nWithout warning Matt – not her husband, Matt – burst back into the room through the hallway door.\n\n“Matt! What the… [i]what the fuck are you doing?!![/i]” Lindsey exclaimed, now in full panic. It was now only the fourth time she’d said the word ‘fuck.’\n\nHer nephew hadn’t put his pants back on, he had apparently discarded them entirely in the hallway. His enormous black cock, still mostly hard and more than a foot in length, swung back and forth wildly as he rushed back to the bed. It slapped against his thigh with each lunging step.\n\nWhen Matt got to the bedside Lindsey was too confused to speak, her eyes expressed not anger but fear. Bob wasn’t singing Mr. Roboto any more, so he had finished drying off. Literally any second he could open the door, and if he did he’d see his naked nephew next to his wife, cum everywhere. There could be no excuse or explanation.\n\nMatt pulled the covers off his aunt, exposing her upper body. For a moment Lindsey thought that perhaps he was just so uncontrollably horny that he was back for round two, damn the consequences. But a moment later the reason for his dangerous return visit was made clear.\n\nMatt grabbed his aunt’s hand and pulled it to him with her palm up. Lindsey felt his other hand, warm and wet and slimy with cum, plop down onto her palm. Within that mess of gooey liquid he delivered into her outstretched hand, in that puddle of cum she held in her palm, there was something hard. Her wedding ring. Drenched in cum.\n\nNo sooner had Matt delivered her sperm-soaked ring than he once again bolted for the hallway door. His big dick slapped unavoidably and heavily against his thighs on the way out as he tried to both tip-hoof to remain quiet and rush out as quickly as possible. He looked ridiculous.\n\nMatt almost fell again, tripping over his own hooves as he spun around in the open doorway, stark naked, his dick whipping around and smacking the door frame. For Lindsey it was almost farcical, but with the real prospect of being discovered at any moment she couldn’t see the humor in it. And, as it turned out, her fear that her husband could walk into the room at any moment was well-founded.\n\nThe very second Matt closed the hallway door, almost simultaneously, the bathroom door swung open and Bob, wearing a terry-cloth bathrobe, walked into the bedroom.\n\nLindsey pulled the covers back over her body with an almost violent intensity. She was soaked, the sheets were drenched. Matt might be gone, but the evidence was still all over her body.\n\n“Fresh and clean! Smell those lilacs!” Bob exclaimed loudly as he walked into the room with a grin on his face, oblivious to what he had almost walked in on. He saw the quick motion from his wife covering herself up, but again he misidentified the movement as some part of his wife’s overly rambunctious masturbation session. “So… you ready?”\n\nHe let the bathrobe open up. Barely visible under his protruding gut, Lindsey saw that he was erect. His ‘thingy’ was hard, as she would say. And to look at it, it really was a ‘thingy’ compared to what she had just had from her nephew. It was less than half the length, less than half the girth, and his balls were tiny compared to the huge orbs on Matt. Bob had a thingy, Matt had a cock, and she couldn’t go back. That was all there was to it.\n\nNot that she could right now anyway. With the absolute mess under the sheets, there was no way she could let Bob back into the bed. Maybe he was expecting some pre-breakfast sex with his wife, but that would have to wait.\n\nFor a moment she tried to think of a clever way to tell him no, but then she remembered all the times in the past that she had turned him down for sex simply because she didn’t feel like it. She didn’t even have to make an excuse, just tell him ‘not right now, honey,’ and he would obediently back down.\n\nShe turned over so that she was no longer looking at him, pulling the sheets tighter to her body.\n\n“Not right now, honey. I think I’m going to get a little more sleep. Maybe when we get home tonight,” she said.\n\nBob grimaced. He had been rock-solid in the shower, eagerly anticipating getting some early morning action.\n\n“But you were…” he started, stopping before he was even cut off by his wife. Raising even the slightest, weakest objection was unusual for him, a testament to how horny he was.\n\nLindsey glanced back over her shoulder to give him the same ‘you’re not welcome here right now’ look that she gave him when he first walked in from the hallway, when Matt was underneath her and his cock was inside her.\n\n“I said not right now, honey,” she repeated. “I already finished. Without you.”\n\nBob paused, silent for a moment.\n\n“Oh…” he finally said, the disappointment evident in just a single utterance.\n\n“Go finish cooking breakfast. I’ll be down there in an hour,” Lindsey commanded.\n\n“Umm… well, all right then. Guess I’ll see you down there. I’m making pigs in a blanket, your favorite,” Bob said as cheerfully as he could. He walked over to the other side of the room and got dressed, leaving the bathrobe on the floor. Lindsey watched him silently as he put on his underwear, pants and shirt. Finally, mercifully, he walked to the hallway door.\n\n“Sleep well!” he called to his wife as he shut the door.\n\nBob made his way down the stairs, back down towards the kitchen to finish cooking breakfast. Sure, he was disappointed, but this wasn’t the first time this had happened. Maybe she’d be open to it tonight after they got home, like she said. Maybe. No worries, he thought, his erection already gone – time to cook breakfast for her and everyone else in the family.\n\nAs he made his way through the living room back to the kitchen, he tip-hoofed so as not to awaken his sleeping step-daughter and nephew. They were both still snug under their blankets on their respective couches, Christmas music still playing faintly and lights from the tree still shining as morning sunlight began to trickle through the window. He smiled as he looked at them and as he walked past them and into the kitchen. Such perfect little angels.\n\nMatt opened one eye as he heard his uncle pass by. He had just made it back downstairs and pulled the blanket tight before Bob walked down the stairs. He sighed heavily with relief; he’d gotten away with it. Bob was none the wiser.\n\nBob started work on the pigs in the blanket, his wife’s favorite, unaware that she’d just been fucked by the ‘perfect little angel’ pretending to be asleep in the living room.\n\n- -\n\n“[i]Hasta la vista[/i], in-laws and outlaws! We had a blast! See you guys again this summer!” Bob called out, waving goodbye from the drivers’ seat of his station wagon. “Or sooner! You guys know you can visit us in the big city any time!”\n\nMatt, Jennifer and their mom waved back, wishing their relatives a safe drive home.\n\nEllie was looking solely at Matt with melancholy. Six months until she got to see her boyfriend again, that was almost unfathomable!\n\nLindsey was also looking at Matt, her pint-sized lover and now father of her gestating foal. She tried to think of it clinically – he did his job, and she was almost certain that he had impregnated her after three different sessions. Logically, she should just forget about him and pretend like what happened between them never occurred, that the foal just beginning to grow inside her was Bob’s. But as she looked at him, standing and waving in the driveway, the outline of his shaft was clearly visible running down his leg underneath those pajama pants he always wore. She would never get dick like that from anyone else, certainly not from Bob. She sighed in frustration, thinking the same thing her daughter was: six months until she got to see Matt again. Six months until she got another chance at that dick. Almost unfathomable.\n\nBob, of course, was oblivious to all that had happened behind his back during this trip. With a smile on his face he backed out of the driveway, put the station wagon in drive and began the long trek back home to the big city. Both his wife and his step-daughter looked back longingly for as long as they could, until the little house disappeared behind them.\n\n“Well, that was fun. Always nice spending time with your sister and the kids,” Bob said to Lindsey, sitting in the passenger seat beside him. She was still looking in the side rear-view window.\n\n“Yeah. Wish we could spend more time with them,” Lindsey said. “Did you have a good time Ellie?”\n\n“I had the best time,” Ellie answered. “I wish they lived closer so we could see them more often.”\n\n“Yeah, me too,” Lindsey said. “Maybe someday.”\n\n“Maybe someday…” Ellie answered wistfully.\n\n“Maaaybe someday!” Bob said in his typical jocular manner. “Our house would be big enough for all of us with space left over if they ever wanted to visit. They wouldn’t even have to sleep on Ellie’s bed. Or the couches in the theater room!”\n\nEllie turned around back around from her vantage point in the back seat, finally tearing her gaze away from the road that led back to Matt. To her, Bob seemed to be suggesting something that he maybe hadn’t intended.\n\n“So Christmas at our place next year?” Ellie asked.\n\n“Hmm…” Bob said, thinking about it. “Maybe. We’ve got the room for them, no doubt about that.”\n\nThis was an understatement. Their house was, effectively, a mansion, with plenty of guest rooms for everyone. There was also a home theater room dedicated solely to watching movies, a playroom with a ping-pong table and a foosball table and even several pinball machines along with Ellie’s video game setup, a pool out back…\n\n“We’ve got room enough for all of them to [i]live[/i] with us, honey. We definitely have room for Christmas,” Lindsey said. She meant it as a way to illustrate her point, but in truth they [i]did[/i] have enough room for all of them to move in. Call it wishful thinking on Bob’s part, but when he built their house he designed it with the idea of having a lot of foals in mind, so there were plenty of extra bedrooms. Bob was borderline infertile, but he loved kids and always wanted lots of them. Their house reflected this truth.\n\n“I guess it’s settled then. Christmas at our place next year,” Bob said. “And Susan and the kids can just move in with us after that!”\n\nHe meant the last part as a joke, but he couldn’t have known how much his life would change between this moment and next Christmas. Unbeknownst to him, on this innocent little Christmas visit to their relatives’ house, both the mares in the car with him, his wife and his step-daughter, had been knocked up by his nephew. There would indeed be foals in their house by next Christmas, and not just from his wife.\n\n- -\n\nJennifer stayed in the driveway for a while after both Matt and her mom went back inside, even after the station wagon disappeared from sight. Finally, she thought.\n\nNot that she didn’t enjoy spending time with her relatives. She actually had fun with them over their visit, watching movies and playing games and eating her uncle Bob’s world-class cuisine. But all the same, she was ready to see them go. Because as much as she liked it when they visited, their presence kept her away from her great passion in life. Horse cock.\n\nSo, after a few moments standing alone in the driveway, Jennifer went back inside.\n\n“Another Christmas in the books,” Jennifer’s mom said to her as the teenage mare shut the front door behind her. “And no big mishaps this year! Usually at least one thing goes haywire. Remember a couple years ago when the turkey got ruined?”\n\n“That was before we got uncle Bob on permanent kitchen duty. Nothing crazy since then,” Jennifer said as she ambled over to the middle of the room. Her mom was standing next to the couch Matt had slept on.\n\n“True, we haven’t had any kitchen disasters since he became our personal chef,” her mom said. “But there was also that time Matt twisted his ankle when the three of you were playing in the yard.”\n\n“That was when we were little kids,” Jennifer said.\n\n“I guess so. Everything going off without a hitch doesn’t seem like the Shire family way though! Guess we should thank our lucky stars,” her mom said.\n\nProbably, Jennifer thought. Especially since there were quite a few ‘hitches’ that she personally witnessed involving her brother and Ellie. At least two anyway, and probably more. How they weren’t caught she didn’t know, as brazen as they were, fucking right in front of everyone during movie night and again right out in the open after everyone went to bed. Imagine if their mom caught Matt and Ellie – that would probably qualify as a ‘big mishap.’ Maybe even things going ‘haywire.’ But now that her relatives were gone that risk was over, all that was left now was some of the mess they undoubtedly left behind…\n\nJennifer’s heart sank and her eyes went wide. The mess! And her mom was reaching down for Matt’s blanket!\n\n“Let me get that, mom!” Jennifer blurted out, almost pushing her mother out of the way as she wedged herself between her and the couch.\n\n“You sure? I was just going to…”\n\n“It’s fine mom! I need to do some laundry anyway, I can wash the blankets with my clothes,” Jennifer said, trying to keep her voice from cracking. She was almost certain that the other side of either Matt’s blanket or Ellie’s were caked in dried cum.\n\n“Well, far be it from me to turn down free help! That gives me a chance to start taking down Christmas decorations. Thanks sweetie!” her mom said. She gave Jennifer a big hug before leaving the room to get the cardboard boxes that stored the Christmas decorations 11 months out of the year.\n\nJennifer exhaled. Another lucky break. That little brother of hers was so careless. What was he thinking? If it weren’t for her running interference for him…\n\nShe shook her head as she gathered up Matt’s blanket, then Ellie’s. As expected, the underside of both were covered with cum, some dry, some still wet. Kind of gross but, as much as she hated to admit it, kind of hot at the same time. She threw the blankets in the washing machine, ran upstairs to get some of her clothes to mix in, then started it up.\n\nHer mom walked by the laundry room right as Jennifer pressed the start button on the washing machine.\n\n“Where’d Matt run off to?” she asked her mom.\n\n“Probably in his room playing video games. You know how he is,” her mom said.\n\nYes, I know how he is, Jennifer thought. Time to pay him a visit.\n\nShe hadn’t even noticed him when she walked past his door on the way to get her clothes for the wash, but when she went back upstairs she saw that Matt was, indeed, sitting on the edge of his bed with a controller in his hands, playing one of the new games he got for Christmas. His door was open so Jennifer walked in, leaned against the doorframe and waited for him to take his eyes off the television screen and notice her. For almost a minute she waited, but he was so mesmerized with the game he never looked away.\n\n[i]“Ecch-chmmm...”[/i]\n\nJennifer pretended to clear her throat in the doorway hoping to get her brother’s attention. He didn’t even flinch.\n\n[i]“Ecchhhh-CHMMM!”[/i]\n\nThis time it was loud enough to at least make him aware that she was standing in his doorway.\n\n“Oh, hey Jennifer,” was all he said after glancing at her for maybe half a second.\n\nJennifer rolled her eyes, though Matt of course didn’t see it. He could become a bit obsessive when he found something he liked. Historically that usually applied just to video games, but she knew that over the past few months he had developed a second obsession: sex.\n\nThat would have to wait until tonight, though. As horny as Jennifer was after several days without any action and as much as she wanted to hop onto him and ride him right now, she would have to wait until that night after their mom went to sleep to do anything with her brother. Anything sex-related, anyway. That didn’t mean she couldn’t indulge in his other obsession.\n\n“That your new game?” Jennifer asked, letting herself into his room. Matt scooted over on his bed without being asked and Jennifer sat next to him. She took up most of the real estate on the bed after she sat down with Matt sliding over all the way to the corner. The side she sat down on creaked under her weight.\n\n“One of them,” Matt answered. “Not the one me and you and Ellie and aunt Lindsey were playing. This is [i]Irok: Dinosaur Hunter[/i]. It’s a first person shooter. You’re this native guy and you kill dinos with exploding arrows and machine guns and rockets and stuff.”\n\nJennifer watched the screen for a moment, but there wasn’t any shooting going on. Matt was just running through a cave collecting some kind of power-ups.\n\n“Is it fun?” she asked.\n\n“Yeah it’s pretty good. I think I like Space Fox better but this is cool too. It’s good to mix things up with more than one game.”\n\nLindsey squinted, pursed her lips and cast a side-eye at her brother. Was he talking about video games, or was he talking about Ellie? Which one of them was Space Fox and which one was Irok?\n\nNah, Jennifer thought. Matt isn’t that clever, everything with him is surface level. He’s just talking about the video games and there’s nothing to read into.\n\n“Does this one have multiplayer?” Jennifer asked.\n\n“Nuh-uh. Just single player first-person shooter action. It would be cool if it was multiplayer but it’s not,” Matt answered. He seemed to be having fun despite the game’s limited modes.\n\n“Want to play Space Fox with me?” Jennifer asked. She was already looking at Matt, who paused the game and looked at her with genuine surprise.\n\n“Really? You wanna play?” he asked. It was difficult for him to believe she would want to play, given how much she had ragged on video games in the past.\n\n“Yup. It was fun when all four of us were playing. Maybe if I practice I won’t lose to you and Ellie every time next time they come over,” she said.\n\n“All right! But I’m not gonna go easy on you!” Matt beamed as he hopped up to switch the game cartridges.\n\n- -\n\nThe rest of the day passed fairly innocuously. Jennifer and Matt spent several hours playing Space Fox in Matt’s room while their mom continued to put away Christmas decorations, clean up around the house and finish her daily crossword puzzle.\n\nJennifer had to restrain herself from pouncing on Matt several times while they were playing. She had to keep reminding herself that she had to wait until nightfall even though her brother was right here. She could see the outline of his cock in his pants, but Matt was totally unaware of it as usual.\n\nShe also had other plans for tonight beyond just sex. She couldn’t get the image of what she saw last night out of her head; her little cousin riding that huge cock right out in the open in the living room, Matt’s cock spasming and pulsating as he recklessly, riskily shot load after load deep into her winking horse pussy. Matt needed to know that she had seen him, for his own good. If he kept taking risks like that he was going to be caught.\n\nOf course, there was the other ‘risky’ aspect of it that she would not touch. After just the two times she personally witnessed Matt cumming inside Ellie, odds were better than not that Matt had knocked up their little cousin. Ellie had been in heat, after all. The smell was unmistakable. But that wasn’t a topic she would broach. The idea of Matt running around wild and getting mares pregnant was exciting to Jennifer in a way she couldn’t explain, but she didn’t want to curtail that. She just wanted to let him know that she knew he was fucking Ellie, that she was totally cool with it, encouraged it even – but that he needed to be more careful when doing it around everyone else. If only he knew how much she covered for him.\n\n“Knock knock…” their mom said from the doorway as Matt and Jennifer played video games.\n\n“Hey mom,” Matt answered.\n\n“Hey there! I’m cleaning up around the house and I was going to wash sheets, can you two hop up for a second?”\n\n“Sure,” Matt said, and both he and Jennifer continued playing standing up while their mom gathered the sheets from off Matt’s bed after Bob and Lindsey had slept there for a few nights.\n\nWhat Jennifer didn’t know was that the same kind of mess that she encountered underneath the blankets in the living room was also present on Matt’s bed. She knew about Matt and Ellie, but she was still in the dark about the extent of her brother’s sexual endeavors, unaware that he had also been fucking their aunt Lindsey.\n\nTheir mom tossed the bedspread off and started peeling the sheets off the bed. Immediately she noticed they were wet. Not just wet, they were [i]soaked[/i]. And from the smell she could tell immediately what it was. Cum. Lots and lots of cum.\n\nShe acted quickly so as not to subject her sweet and innocent kids to it. Her mind, logically, went to the conclusion that this was Bob’s cum all over her precious son’s bedsheets. How inconsiderate and rude of them, she thought. It’s one thing to have sex in a guest room while visiting relatives – they’re married, not a big deal. But at least have the courtesy to not make a mess everywhere if you do it, and at least [i]try[/i] to clean up if you get carried away.\n\nShe shook her head, gathering the cum-soaked sheets and quickly heading downstairs to the washing machine.\n\nThough in truth, she shouldn’t be surprised. She knew from conversations with her sister that they had been trying unsuccessfully to have a foal for years. Just as she could smell the cum on the sheets, she had been able to smell her sister’s heat when she visited. It shouldn’t be a surprise that her and Bob would try to get pregnant whenever her cycle came up.\n\nStill, she thought as she was about to put the sheets in the washing machine, they should at least clean up when they’re done. Especially if they are going to do it in her son’s bed. Just look at the mess!\n\nShe held the cum-soaked sheets in her hand for a moment before throwing them in the washing machine. The scent was something she had nearly forgotten. How long had it been since she had been with a stallion? Years. Many years. After a few disastrous attempts at dating when Jennifer and Matt were younger, she had kind of stopped trying to find another mate altogether.\n\nShe felt no attraction towards Bob; he was her sister’s husband in the first place, and besides, he wasn’t at all the kind of guy she found attractive. But that smell was still intoxicating. Against her better judgment, Susan lifted the dirty sheets up to her nose and inhaled deeply.\n\nA thin smile appeared on her face, her eyelids half-closing. Horse semen, she knew, was almost like a drug to her and many other mares. Not in the traditional sense… addictive in a way more like chocolate cake than a hard drug. Once you have a smell, you want a taste. Once you have a taste, you want the whole damn cake. And Susan was the kind of mare who couldn’t stop once she started. Resisting an indulgence took willpower, which she was woefully lacking. When she was younger, a simple compliment could get a stallion into her bed and between her legs.\n\nBut that was a long time ago. There were no stallions to take things further with, none who had expressed interest in her in years. So, despite the fluttering in her stomach, the warmth on her cheeks and the tingling in her loins, she simply tossed the sheets in the wash.\n\nRight after she pressed the cum-stained sheets to her face and inhaled the sweet, addictive scent one last time.\n\n- -\n\nMatt loved the feeling of laying snug under clean sheets, neatly and tightly tucked into his bed. If his mom hadn’t washed his sheets for him, he probably would have just slept with the same sheets his aunt and uncle used, the same ones that were wet from when he and his aunt had sex that morning. He didn’t even think of the possibility that his mom would have noticed the sheets were wet, or that she would be able to instantly identify that it was semen. Everything always seemed to just fall into place for him; even when things went wrong, they ended up all right.\n\nHe glanced over to his left at the LED clock radio on the nightstand. 11:15, it said. Almost an hour since they’d gone to bed, which meant Jennifer would likely be creeping into bed with him at any moment.\n\nMatt stretched his legs under the tight, clean sheets. With a smile on his face he breathed in deeply, held for a second and exhaled. The past few days had been really awesome. He’d fucked his aunt three times, he’d fucked his cousin five times, finishing inside on all eight occasions. Now his sister was about to sneak into his room for her turn to get filled, his third mare in 24 hours. He’d also gotten both video games he wanted, had his uncle cook a bunch of delicious meals, saw some good movies, and had all the cleaning and housework taken care of by his mom while he played video games all day. If he’d ever had a better Christmas break, he couldn’t remember it.\n\nHe put his hands behind his head, waiting for his sister to open the bathroom door and enter his room. And then, like clockwork, she did.\n\n- -\n\nJennifer was laying naked on top of her bed, glancing over at the clock every few seconds and tapping her fingers on her stomach. 11:15, displayed in large red LED lights. After several days without sex and being subjected to her brother and her cousin fucking right in front of her, twice, she couldn’t think of anything else.\n\nThe self-imposed rule that she and Matt agreed on was that it was best to wait an hour after their mom went to sleep before sneaking into each others’ rooms. That would be in about five minutes. Whatever, she thought. Close enough.\n\nShe rolled off her bed with surprising dexterity and grace given her 350 pound, nearly 8-foot tall frame. Quietly, the same way she’d crept through the hallway the night before, she made her way through the pitch-dark bathroom that connected both their rooms.\n\nWithout a sound she opened the door. Her eyes, adjusted to the near total darkness, could see her brother laying on the far side of the bed. Normally he’d lift up the covers, inviting her to slide underneath, but this time he didn’t. He just looked at her blankly, with only his head sticking out from underneath the sheets. Sometimes her brother was just impossibly weird, but it was just part of the package.\n\nJennifer reached down to the covers to pull them back, but then found that they were tucked extremely tightly under the mattress, the bed made like at a hotel.\n\n“Don’t pull the sheets off! I like it when they’re this tight,” Matt whispered to her.\n\n“Well how am I supposed to get underneath them, doofus?” she replied.\n\nMatt hadn’t thought of that. He wanted to have wild sex with his sister and he wanted to sleep under the tight-fitting, freshly cleaned sheets. That these two activities might be mutually exclusive hadn’t occurred to him.\n\n“I dunno…” he answered, offering nothing in the way of a potential remedy.\n\n“Just slide out. We can do it on top of the covers,” Jennifer said.\n\n“I don’t want to get the blanket dirty though,” Matt protested.\n\n“Seriously?! Oh my god. We’ll just do it on the fucking floor if you’re gonna be like that. Gyah…” Jennifer said with almost hoarse exasperation, almost breaking out of a whisper. Her brother was being impossible, as usual. “Now wiggle out of that cocoon you little idiot…”\n\nJennifer made her way to the other side of the bed, closest to the center of the room. She watched as he tried to push himself out from under the sheets without disrupting them too much. But he was going stupidly slowly, so as soon as he got his arms free and out from under the sheets she simply grabbed on to his wrists and lifted him up and out.\n\n“H-Hey!” Matt protested as she pulled him out like she was a pea being squeezed out of its pod. Like Jennifer, Matt was already naked. She saw he already had a full erection as well. His cock rebounded and slapped against his chest when she pulled him out past his knees.\n\nAlmost effortlessly she lifted him up off the bed and in the air, hooves off the ground, until he was at eye level with her. Matt knew that in real terms he was powerless against his sister. Even Ellie was a lot stronger than him and she was his own size, so comparing him to his sister who was two and a half times his weight was like comparing Uncle Bob’s station wagon to an 18-wheeler.\n\nBut while he was completely at his sister’s mercy, he had nothing to fear. The days of her picking on him were a distant memory; she had been tamed by the power of his cock. She smiled warmly, holding him up in the air in front of her. Their snouts and noses touched, then their lips.\n\nJennifer felt butterflies in her stomach as they made out, her brother suspended in the air by his wrists. Or maybe that was the feeling of his hard, hot, 14-inch horse cock rubbing against her belly.\n\nMatt just rolled with it. It was a little emasculating to be held up like this, completely at the mercy of his sister, but it didn’t bother him. Whatever she wanted to do was fine with him, so long as it ended with his cock in her pussy.\n\nJennifer’s plans did end that way, but she was in no big rush to get there. Yes, it had been several days since she’d enjoyed her brother’s cock, but now that she had it in front of her she had time to savor it. \n\nShe broke off the kiss and opened her eyes. She saw Matt do the same and, for a moment, she just looked at him with that horny, happy grin on her face. Matt’s expression was hard to read, but that was fine. He knew what he was in for. Maybe not immediately, but it would end the way he expected.\n\nJennifer let her brother back down, his hooves finally back on the carpet. But no sooner had she set him down than she gently shoved him back onto the bed so that he was sitting on the edge of the mattress. It took Matt a second to figure out what his sister had in mind, but as soon as she got down on her knees in front of him and put her hands on his knees, he figured it out.\n\nMatt’s sister dove between his legs head-first. She let his cock slide along the right side of her long equine face, then the left, leaving streaks of precum along both sides. She looked up at her brother seductively, opening her mouth and licking down the entire length of Matt’s shaft, from tip to base. Once there, her lips wrapped around one of his enormous balls – as much as she could anyway. These balls, almost impossibly big, had already put a foal inside her, and in all likelihood had impregnated their cousin Ellie as well. She sucked and fondled them casually for a while before retreating, licking Matt’s shaft from the base back to the tip while pulling her head back.\n\nMatt saw that now her gaze was now firmly, obsessively fixed on his cock. She was under his spell again, just like in the past, just like Ellie and his aunt Lindsey. She started casually stroking it with her hand while panting – [i]panting[/i] – onto the unflared end of his cock.\n\n“I’ve… missed this… so much…” she whispered, almost to herself. Matt encouraged her by placing his hand on her head, behind one of her long equine ears. Once more the length of Matt’s shaft slid across her face, and then she opened her mouth and wrapped her thick, almost prehensile horse lips around her brother’s cock.\n\nShe closed her eyes, but Matt’s remained open. As much as his sister loved cock, she didn’t suck his as often as he would like, maybe only once every dozen or so times they had sex. She seemed to just love getting her box stuffed and filled instead of her mouth.\n\nComparing the three mares he’d fucked, Matt could weigh the pluses and minuses of each. His sister’s pussy was the biggest, so not as tight as his aunt Lindsey’s muscle-bound snatch and definitely not as tight as Ellie’s little slit, but it still felt amazing. And besides, he didn’t have to worry about slamming too much into Jennifer or going too hard like he did with Ellie. Jennifer could take anything he could throw at her; his whole cock, most of his arm as he had discovered, probably a whole baseball bat, who knew. The sky was the limit with his sister’s pussy.\n\nAnd then there was Jennifer’s skill at blowjobs. Aunt Lindsey’s oral skills were ok, and Ellie’s were… adorable. She tried her best. But they both lacked the experience his sister had, with the multitude of partners she’d enjoyed over the months and years before she started sleeping with her brother. And now, with her eyes closed and her head bobbing up and down on Matt’s cock, one hand cupping his balls, that skill was on full display.\n\nMatt exhaled loudly as he stroked his sister’s head and ears like he was reinforcing a puppy. This felt [i]really[/i] good. His sister had some serious game when it came to blowjobs. It was impressive just how much of his cock she could get into her mouth. Not the whole thing, but an impressive amount, and certainly enough to get him off if she wanted. But that wasn’t how she wanted him to finish, and they both knew it.\n\nWith a loud, wet sound that reminded Matt of one of his mom’s Tupperware containers being sealed, Jennifer pulled her head back past the tip of Matt’s cock. She opened her eyes and looked up at him, still stroking him with one hand and holding his balls with the other, still being patted on the head by her brother like an obedient dog.\n\n“Feel good?” She asked with a gleeful smile.\n\n“Feels amazing…” Matt answered, which was true.\n\nJennifer dove back onto her brother’s cock, opening her mouth and accepting it to the back of her throat once more. The way she twisted her head with each back and forth motion, the way she used her tongue inside her mouth, which Matt could feel but not see… it was all expert-level stuff. Sex with Ellie and Aunt Lindsey had a lot of perks, but neither of them approached Jennifer’s skill at blowjobs.\n\nAfter another minute or two, Jennifer again slowly retracted her head, sucking on the hot meat shaft the whole way. Once again there was a loud slurping noise as she suckled on the tip of her brother’s cock, sucking all the way to the tip before it slid past her lips. She rested on her knees, almost on all fours to get low enough for her face to be down at Matt’s crotch, on the same level as the bed he was sitting on. Her eyes remained fixated on that horse cock and she continued stroking it slowly and covetously.\n\n“I’ve got something that feels even better…” Jennifer teased.\n\n“Yeah? Where are you hiding it?” Matt asked playfully.\n\nThis was another thing he loved about sex with his sister over with Ellie or Lindsey. Jennifer wanted him inside her just as bad, but she was fine with taking her time instead of just rushing into sex. With Ellie, rushing into it was due to eager inexperience, with his aunt Lindsey he chalked it up to just having limited time in the situations they were in. But late at night with Jennifer, in his room or hers, they had all the time in the world.\n\n“I think I left it between my legs. I know I brought it with me… you’re gonna have to help me find it,” Jennifer said mischievously.\n\n“I think I might be able to help,” Matt answered with the same playful energy. “What does it look like?”\n\n“Well… it’s got lips like these,” she said, pulling his hand from her pointed ears to her mouth, letting him feel her, “but thicker. It’s the same color as these…”\n\nJennifer lifted herself up from all fours and shuffled on her knees a little closer to her seated sibling. Now she directed his little hand to her breasts, specifically her nipples.\n\n“… but only on the outside. On the inside it’s this color…”\n\nNow she guided her brother’s hand up her body, over her neck and to her mouth. She let her big, thick equine tongue loll out, and Matt grabbed onto it like she grabbed onto his dick.\n\n“I never realized your tongue was so big,” Matt said nonchalantly.\n\n“[i]Ith bigh cuth I’h bigh…[/i]” Jennifer tried to say as best as she could with her brother’s little fingers wrapped around her loosely hanging tongue.\n\n“Easy for you to say!” Matt said, joking with Jennifer the same way he did with Ellie.\n\nJennifer started laughing, but because Matt was still holding onto her tongue she made a loud snorting noise. This made them both laugh even harder, and finally Matt let go of his sister’s tongue and it went back into her mouth.\n\n“Shhh, don’t be too loud!” Matt managed to get out while laughing. They were both having fun being silly with their foreplay, but it was easy to get carried away and start making too much noise.\n\n“Oh, so it’s my fault,” Jennifer whispered back. “Maybe you should hold your tongue instead of holding mine!”\n\nJennifer was especially proud that she had thought that line up on the fly, but Matt didn’t seem to appreciate the quality of her wordplay and instead just moved on.\n\n“Pfft, you’re the one who put my hand in your mouth,” he said.\n\n“I guess so,” she conceded. “Just being silly.”\n\nFor a moment she continued idly stroking Matt without speaking.\n\n“All right, enough silliness,” she said. These kinds of games were fun, but it was time for the main event. “You ready to fuck me?”\n\n“In that thing you left between your legs?” Matt said with a faux-naive lilt in his voice.\n\nJennifer rolled her eyes, something her brother seemed especially good at making her do. Clearly he wasn’t past the silly games stage.\n\n“Yeah yeah, in ‘that thing.’ You know, my pussy? You should be pretty familiar with it…” Jennifer said.\n\nWithout another word she let go of her brother’s cock, finally, and started to turn around. But she didn’t get up. Instead she just twisted on her knees 180 degrees so that she was facing directly away from Matt, and her butt was now pointed straight at him.\n\nMatt, still sitting on the edge of the bed with his 14-inch cock rock-hard in front of him, just watched as Jennifer spread her legs for him, scooted back a few inches, and lifted her tail.\n\nHis cock twitched at the sight, an involuntary spasm. This was, Matt had often thought, the most beautiful sight in the world. A mare on her knees, butt up and legs apart and tail lifted, offering herself, begging, pleading to be bred. There really wasn’t anything else in the world that compared to it.\n\nBut Matt had some experience now, so while it was still just as beautiful it wasn’t as transfixing as it had once been. So while virgin Matt might just stare with jaw agape, now he could take it in with a clear head and a cocky smirk.\n\n“A… pussy? Is that the donut-looking thing under your tail?” He asked facetiously with the same fake naivete as before.\n\n“That’s my [i]tailhole[/i] you dweeb!” Jennifer said, turning her head to look back. Matt was happy to see that she was smiling as she looked back at him over her shoulder. “You ever look at your butt in the mirror? You have one too…”\n\n“Ohhhh…” Matt said with pretend surprise, “I guess so. So then this ‘pussy’ of yours must be…”\n\nJennifer’s hand went between her legs. With her fingers she spread apart the black lips of her pussy, exposing the warm pink within.\n\n“Quit playing around Matt, I wanna do it…” she said. Her butt was wiggling slightly, though Matt couldn’t tell if she was doing it intentionally or not. Her pussy winked, an action that it was also impossible for Matt to say whether it was on purpose or simply a reflex.\n\nMatt reached out for his sister’s pussy, running his thumb over its plump lips and across Jennifer’s slit.\n\n“Is this what they call a ‘snatch?’” he said with mock innocence.\n\n“I think they call it a ‘cookie,’” Jennifer answered. She was both playing along and offering a hint that she knew about him and Ellie, since she habitually called her pussy a ‘cookie,’ but she figured, correctly, that Matt wouldn’t pick up on it. Subtlety was not one of her brother’s strong suits.\n\n“Is this what they call a ‘box?’” Matt continued, letting his thumb slide into his sister. Jennifer exhaled loudly – even though it was just Matt’s thumb it was the first time she had been penetrated in days, and she was horny beyond words at this point.\n\n“I think they call it a ‘muffin,’” Jennifer said, using the other word she knew Ellie used for pussy.\n\nMatt still had his thumb inside her. If his intent was to tease her to the point of breaking, he was doing a good job.\n\n“For fuck’s sake Matt, are you gonna fuck me or what? Quit playing games!”\n\nThat was good enough for Matt. In truth, although he was teasing his sister he was just as horny as she was. With that same cocky grin on his face that Jennifer had grown accustomed to he pushed himself up off the side of the bed so that he was standing right behind his sister, on her knees with her butt up and tail lifted.\n\nJennifer felt his massive cock flop dumbly on her flank, resting for a moment on her right butt cheek. She was so large and her brother so comparatively small that, when she was on her knees and Matt was standing up, their hips lined up well. Matt had to bend his knees a little, but overall it was a lot easier for them to fuck doggy-style when Matt was on his hooves and she was on her knees than if they were both standing or kneeling.\n\nShe was still spreading her pussy lips with her hand, as if spreading her lips for Matt was necessary and his cock wasn’t capable of pushing its own way through her door.\n\n“Come on… come on, put it in…” Jennifer whispered to herself. She could feel Matt’s cock sliding down along her butt cheek, the tip leaving a smear of precum in the short fur. Finally she felt the tip on the patch of bare black skin between her tailhole and pussy, jabbing, seeking a hole to envelop it. Even when it had a hand to guide it, her brother’s cock sometimes felt more like a simple-minded animal, dim-wittedly prodding and poking until it found a warm, wet hole to slide into.\n\nJennifer, in an effort to facilitate that dumb, fat cock and help it find its mark, stopped spreading her pussy lips with her hand. Instead she extended her fingers and placed her palm right under the bulbous ridge of her equine clitoral hood and mons pubis. With her fingers outstretched, this created a kind of ramp for Matt. It was like a loading dock in a warehouse or a feed ramp in a gun; instead of having to find purchase between two fleshy walls, now his cock only had to be channeled into a hole constrained on three sides.\n\nIn the short time her fingers were extended – only a few seconds – Jennifer felt the dribbling precum from her brother start to pool in her cupped hand. Then the unflared tip of Matt’s horse cock dipped into the lubricating pool. It pressed down on her hand, but Jennifer held it firm in place so that all Matt had to do was thrust forward to enter her. And then, finally, he did.\n\n“Ohhh, god…” Jennifer moaned as the first four or five inches of her brother’s cock was rammed into her in an instant. Once he was inside, Matt halted for a moment; he was used to the care and restraint he had to show when fucking Ellie, so he had to remember that with Jennifer he could go as fast and hard and deep as he wanted.\n\nStill, he didn’t thrust the remaining ten inches of his shaft into Jennifer at once. Instead he slowly, smoothly slid his cock into his sister. The puddle of precum in Jennifer’s cupped hand coated the underside of Matt’s shaft the whole way, and by the time he was inside her to the hilt the entire reservoir had been used.\n\n“I missed this… so much…” Jennifer breathed. “Now quit being gentle and fuck me. Fuck me for real. Fuck me [i]hard[/i].”\n\nMatt knew the time for games was over. No more puns, no more coy teasing, just pounding his sister from behind as hard as he could without making too much noise. Their mom was asleep just down the hall, after all.\n\nHis arms stretched out to grab onto each of his sister’s butt cheeks. Wide... Jennifer’s butt was just so big, it was like he was trying to hug the reclining chair in the living room. Each of her cheeks was bigger than his entire butt. And while Jennifer was moderately athletic, she was so big that there was still enough fat on her butt for Matt to grab onto and squeeze in each hand, like handles for riding a bucking bronco – which wasn’t too far off from the truth.\n\nQuickly, in a sharp motion, Matt pulled his hips back, letting about half the length of his 14-inch cock slide out of his sister’s wet slit. Immediately he slammed his hips forward, thrusting hard into her with an audible [i]plap[/i] as he went inside her to the hilt and his hips hit her butt, his balls bounced between her thighs.\n\n“Hnnnh, yess…” Jennifer moaned without looking back at her brother. Her hand went from her pussy to the carpeted floor, her back arched, and she went down on her elbows. Without a word Matt withdrew, then thrust again into his sister.\n\nNow he gripped tighter onto Jennifer’s flank. Her tail lifted higher in the air, curling forward and draping her lower back with hair. Matt drove his cock in and out of his 350-pound sister again and again, harder and harder each time, the only limiting factor being the noise produced as his hips and balls clapped against her backside.\n\n“Oh god, oh goddd…” she wailed before her hand shot to her mouth in an effort to contain her lustful outbursts. Her head lowered even further under her cheek was on the carpet itself, almost hugging the floor while her butt remained high in the air.\n\nMatt developed a steady rhythm, hard and quick, in and out about once a second. He didn’t pull his cock out too far before thrusting back in, withdrawing only 4 or 5 inches each time, the majority of his cock remaining inside his sister. But each time he rammed his shaft back into her he went as far as he could, all 14 inches firmly yet easily accommodated by his giantess of a sibling.\n\n“Oh fuck, fuck, [i]fuck[/i]… fuck me, yes, right there, fuck me, fuck me, fuck me…” Matt heard from his sister. She was much more vocal than either Ellie or Lindsey, talking almost the entire time whenever they had sex. Usually what she said and the pacing of her delivery was entirely determined by how fast and hard Matt was going at the moment. Right now, with Matt making quick, deep thrusts, she only had time for short one or two word exclamations of encouragement. When Matt slowed down or they were going at it more sensually, her dirty talk was more likely to be in complete sentences.\n\nMatt let go of Jennifer’s butt with one hand and grabbed onto the base of her tail, wrapping his fingers around it like she did with his cock. He couldn’t keep this pace forever; unlike his aunt Lindsey or cousin Ellie or even his sister, Matt was not at all athletic, so fucking this hard would wear him out in a short amount of time. But he wanted to go out with a bit of a flourish before slowing down.\n\nWith a firm tug he pulled up on Jennifer’s tail. At the same time he slammed his hips forward with a thrust as powerful as his little body could muster, sending his unflared cock head more than a foot inside his sister’s warm, wet crevice.\n\n[i]“Fuu-uuuck…”[/i] Jennifer hummed, wanting to remain as quiet as possible, combating the urge to cry out as she pawed at the carpet like she was either trying to grip a handful of it or tap-out in a fight. She looked back at her pint-sized lover behind her, balls deep. He was breathing hard, but for the moment he had stopped.\n\n“That all you got?” Jennifer teased, her composure regained. She pushed back into him, which caused Matt to shuffle back on his hooves a few inches. He could ride her hard, he could pull her tail or slap her butt, but Jennifer could always assert herself and take charge if she wanted to. Still, sometimes it was fun to pretend that wasn’t the case.\n\nInstead of answering, Matt started to rock his hips. No longer a hard and fast fucking, the 14-year-old colt was now dipping his cock in and out of Jennifer slowly, methodically, sensually. Less of a piston, more of a rolling motion.\n\nJennifer grinned lustfully. She was fine with this. She like being fucked hard and fast, she liked being fucked slow and smooth. Pulling her tail was nice, making out was nice, riding cock was nice. Matt being out of breath was cute. She liked sex in all its forms and was able to appreciate it in all its variety.\n\n“Mmmm, it feel better for you that way? You like it slow?” Jennifer said as she looked back at her brother.\n\n“Yeah…” Matt answered without any further elaboration.\n\n“It’s not that riding your sister for two minutes got you winded, right?” Jennifer teased.\n\n“Pfft…” Matt grunted, the only vocal response. As mouthy as Jennifer was during sex, Matt was the exact opposite. He never even made a noise when he came. And that didn’t bother Jennifer at all.\n\nMatt’s hands went back to Jennifer’s flanks. He got back into his groove, rocking his hips with the fluidity of a locomotive engine just starting up. The plapping sound of his hips hitting her butt and his balls slapping against her thighs was replaced with the wet, gloopy sound of his soaked cock plunging in and out of her puffy, winking, dripping wet horse pussy.\n\nJennifer turned forward again, no longer looking back at Matt and instead just focusing on the feeling of the biggest, thickest cock she’d ever had gliding in and out of her.\n\n“Yeah, that’s it… get it right there… fuck yeah, keep going just like that,” she whispered erotically, half to herself and half to her brother. She did find his little middle-school body cute, but sometimes it was nice just to really fixate on that cock of his, the part of him that was truly special.\n\nMatt could feel his sister start to push back against him in time with his thrusts, accentuating the experience for them both. He thought that she might push him back against the bed, but she didn’t; it was better if they were both working at it instead of her just slamming her butt backwards like she was using a suction-cup mounted dildo in the shower.\n\n“You like it, hmm? You like your sister’s pussy?” Jennifer whispered loud enough for her brother to hear. In Matt’s world his sister was the undisputed queen of dirty talk. “You like putting your big, nasty cock in your sister’s pussy? Yeah? You fuck your own sister? What kind of sicko fucks his own sister?”\n\nShe wasn’t expecting Matt to respond – he almost never did – but he surprised her.\n\n“She lets me do it,” he whispered back to her, “and she likes it more than I do.”\n\nJennifer tried not to chuckle but she couldn’t help herself. Because it was true.\n\n“Mmmm, that right? Show her what you can do. Make her like it. Make your sister cum on your cock, [i]Matty-doo[/i].”\n\nJennifer intentionally called her brother by the pet name Ellie habitually used. It was a preview of the conversation she would have with him after they were finished, but she couldn’t help but spring something on him a little early. As always, Matt remained dull to it. He was impervious to hints, subtlety or nuance.\n\nThe pace of his thrusts didn’t quicken, but Matt started pulling out more with each cyclical hump, letting more than ten inches of his cock glide in and out of his sister at once. The feeling of that slightly ridged, dimpled cock-head of his running up and down the length of her passage was divine, and if he kept it up she knew it would make her cum.\n\n“Nnnnh, yeah… just like that. Keep going just like that. Fuck my pussy. Fuck your sister’s big, bad pussy…”\n\nMatt shook his head and tried not to laugh himself. Sometimes what Jennifer said when they had sex was hot, but sometimes it was just silly. His sister’s pussy was big, that was true, but bad? What did that even mean?\n\nWhatever. This was a good pace and depth for him too, so he could ride it out until he came as well.\n\n“Fuck my pussy. Fuck my pussy. Good, yes, just like that…” Jennifer continued to whisper. She was still facing away from him, but her cheek was no longer on the carpet. She wasn’t looking at anything in particular in the dark room, just focusing on the feeling between her legs. She was on her knees and elbows, the perfect submissive position with her butt high in the air and her brother riding her from behind.\n\nMatt gripped her flanks tightly again, little fists filled with the ample padding on his sister’s butt. He could feel the tingling in the tip of his cock, the telltale signal that if he kept going like this he would cum, and that it wouldn’t take long.\n\nJennifer felt the same way, the tingling deep inside her and on her large equine clitoris at the same time, that familiar feeling that she loved so much. Each time her brother’s cock glided in and out of her, his dimpled cock head smoothly scraping her from the inside, the climactic pressure built further like the magma chamber in a volcano. Her incessant, incestuous chants changed, urging her brother not just to fuck her but to cum in her.\n\n“Fuck my pussy, yeah, just like that… cum in me, cum in me, cum in my pussy…”\n\nAnd her little brother had every intention of giving her exactly what she was asking for. The small amount of moonlight filtering in from the half-closed blinds were just enough for him to see clearly. He was staring down only at his sister’s butt, his focus squarely at his cock, slick and shiny in the moonlight, sliding in and out of her needy pussy.\n\nWhen he was just about to cum he seemed to get like this, a fixation on pussy with an almost serious expression on his face. It was a level of concentration he never exhibited in school. He only occasionally came close when pursuing his other obsession: playing video games. But this newly discovered passion – breeding mares, siring foals – was something different. It had supplanted video games as his great passion and primary purpose in life. And he was damn good at it.\n\nJennifer felt her brother’s little fingers grip even tighter on her butt. He was humping her wildly now, his fat black balls slapping against her upper thighs loudly and frequently. He was close, she knew from experience. And so was she.\n\n“Come on, yes… yes, just like that…” the words flowed from Jennifer’s mouth without her control or conscious thought. “Fuck me… fuck my pussy… cum in my pussy… cum in me… cum in me…”\n\nMatt, like always, didn’t answer. He was too focused on Jennifer’s pussy to react to her words. He could feel her winking, and in the dim light he could even see her lips squeezing around his shaft. This view, this feeling, this moment right before he came… there was nothing that compared to it.\n\n“Cum in me… cum in me… cum in me…” Jennifer repeated mindlessly over and over and over again.\n\nMatt gritted his teeth, his lips upturning and nose scrunching like he’d just sniffed a bottle of ammonia. His hips thrust forward violently, smashing into his sister’s backside as he buried his cock as deeply into her as he could, every inch enveloped by her warm folds. He pulled her massive butt into him, though given their size difference he was pulling himself more than he was pulling Jennifer. Still, he was so deep in her and her legs spread so wide that her puckered black donut-like tailhole, protruding more than an inch from the flesh underneath her lifted tail, pressed firmly against the skin below his belly-button.\n\n“Cum in me… cum, cum, cum… oh, fuuuu…” Jennifer moaned as she felt her brother slam his little body against her massive butt. What made her moan, though, was not his little body – it was his gigantic cock. As soon as Matt lurched into her and didn’t piston back, Jennifer knew what was coming. Half a second later she felt what she had been dreaming of and lusting after for the entire duration of their relatives’ Christmas visit: the singular and unparalleled pleasure of being stretched from the inside as her brother’s bulbous cock-head ballooned out like an opening umbrella and the intense, indescribable internal warmth as that first massive geyser of foal-creating cum was blasted into her.\n\nHer eyes rolled back in her head as the crashing euphoria of orgasm washed over her. She didn’t even finish saying the word ‘fuck’ that had formed on her lips when she felt her brother cumming inside her; instead her tongue flopped out of her mouth and onto the bare carpet in ahegao-like ecstasy.\n\nMatt, meanwhile, was resolute. With the look of serious determination still on his face – steadfast, almost professional resolve – he focused on pumping his cum into the bucking giantess in front of him. His hips didn’t move; he was simply pressed as far into her backside as he could, pouring cum into her eager womb like he was filling up a car at the gas station. Inside his sister the end of his equine penis flared, expanding out from the width of his shaft to bigger than his hand with his fingers spread wide, blooming like a sunflower at the end of a stalk 14 inches inside his sister.\n\n“… uuuhhhh-huhhhhgghh… fuuuuck… cuuummm…” Jennifer mouthed trance-like once her tongue found its way back inside her mouth. A second, third, fourth pulse inside her as her brother filled her with his hot, white spooge. He gripped onto her butt like he was holding onto bicycle handlebars. Five, six, seven pulses. They were weakening in intensity, but still coming.\n\nHer belly didn’t begin to visibly expand like with Ellie. She was just too big. Matt wasn’t in any position to see it any way. Still, that didn’t mean that the volume of cum he was filling her with was any less. Her size just allowed her to handle it better.\n\nFinally, with the 11th spurt, Matt finally petered out. Sometimes it took up to 14 for him to finish, but this was the third mare he’d bred in the past 24 hours. Still, the amount of cum he dumped into his sister was about the same, since the last few pulses barely produced any; most of it came out in terrific jets in the first few ejaculations.\n\n“F-fuck… fucking shit…” Jennifer managed to whisper out, her senses returning to her as she caught her breath. “That was… I needed that… so fucking bad…”\n\nMatt heard his sister speaking but he didn’t acknowledge her. His eyes were still fixated on the point of their union, below her lifted tail, below her twitching black donut of a tailhole, where her plump and leathery black lips were spread wide by his cock of the same color, the pink inside her exposed ever-so subtly. He moved his hips back, letting a few inches of his cock slide out of his sister. She wasn’t as tight as his aunt Lindsey, and nowhere near as tight as Ellie, but her vaginal walls still clamped onto Matt’s shaft so much that he tugged on her slightly as he pulled back, pulling on her pussy from the inside, gripping his shaft like it didn’t want to let it go.\n\n“Fuck, that was so good…” Jennifer panted, body and mind still swimming in the endorphin-rich afterglow after coming down from her orgasm.\n\nMatt wasn’t paying much attention to her. Not her words or her mouth, anyway. He was still focused on her other end.\n\nIt might have been different if they were lovers or if this was with a girlfriend. Matt couldn’t say for sure. He’d never had a girlfriend – Ellie didn’t count, even if she thought she was his girlfriend – so he wasn’t sure what lovers did after sex. Jennifer was his sister, sex wasn’t an expression of love. It was just something they did because it felt really, really, really good for both of them. So Matt didn’t think twice about not answering Jennifer at all, not telling her she was sexy or how good she felt or what a great lay she was. Instead he slowly edged back, letting his cock begin to slide out of her without any word of warning or explanation.\n\nHis cock was still flared, so not a drop was spilled as he pulled out further and further. Not until the very end.\n\nWhen the end of his cock finally popped out of her, it was accompanied by the familiar gush of cum shooting out of her pussy like the faucet in the shower they shared. It spewed out with such force that half of it blasted back into Matt, above his cock and below his belly button, coating him with a copious amount of his own seed. The noise it made – also familiar to Matt by this point – reminded him of the sound that was made when the cranberry sauce was emptied from the can during Christmas dinner; wet and gooey and messy, but delicious in its own way.\n\nNow, with his hands still on his sisters flank, cum rivulets dripping down his torso and a lot more dripping out of his sister’s used pussy in front of him, Matt took a step back. He grabbed his pajama pants, laying in a heap on the floor next to his bed, and used them to clean himself off. He wiped down his stomach, shaft, balls, legs… the whole front part of his body hit with the back-blast of cum when he pulled out of Jennifer.\n\nNow standing up, naked in his dark room, he looked down at his older sister. She was still on her knees and elbows, butt up and tail lifted with cum oozing out of her pussy. It seemed to Matt that it took longer for the mares in his life to recover from an orgasm than it did for him.\n\nHe tossed his wet pajama pants back down on the floor between Jennifer’s legs, right on top of the puddle of cum on the carpet formed by Matt’s seed dripping from her. Offering his pants to clean herself was, in Matt’s view, being nice. Or at least considerate.\n\nWithout a word Matt climbed back onto his bed and crawled under the covers, still tucked in tight on his newly made bed with the clean, fresh sheets. With a day as packed as today had been he’d be asleep in just a few minutes.\n\nJennifer was vaguely aware of everything her brother was doing behind her during this time. One thing Matt was right about was that it took her longer to regain her senses after cumming than it took him. So while he was cleaning up and climbing into bed, she was still swimming in the heavy mental din of post-coitus. For minutes, all she could do was remain semi-prostrate on her brother’s floor, butt still up in the air, letting it wash over her.\n\nMatt had tucked himself in for the night by the time Jennifer was ready to get up. Without much else in the way of options she grabbed the gross used pajama pants her brother had left covering the pool of cum and used it, much as he had, to clean herself off. There was plenty on her legs, but mostly there was just a lot of it still inside her, and she knew that as soon as she stood up and started moving around more of it would gush out of her. She held the wet plaid pants to her crotch as she stood up and took a step towards Matt’s bed; sure enough, Matt’s cum spilled out of her, soaking his pajama pants. \n\nShe shook her head as she let the filthy pajama pants drop back to the floor, having served their purpose. Matt. What a scoundrel. What a [i]rascal[/i]. He was turned away from her, and though she knew he couldn’t fall asleep that quickly he seemed well on his way. He thought it was totally fine to fuck a mare and then just walk away, leaving her quivering on the floor like it was nothing, like he was just walking out of the room after he was finished watching TV or playing video games. Well, she wasn’t going to let him get away with that tonight. She had a lot to say to him, after all.\n\nMatt felt the sheets on his bed loosen on his body, a slight draft of cooler air entering his cocoon and blowing along his naked body. Then, an immense dip on the side of his mattress, so heavy that he started rolling toward it, like he was being pulled into the gravitational well of a black-hole. It was enough to immediately shake him from his half-sleep and realize what was happening.\n\n“H-hey! What are you doing?! Jennifer!” Matt whined as his sister, still just as naked as he was, slid underneath the covers next to him. The carefully tucked-in bed sheet began to come loose, unable to hold as Jennifer’s enormous body slid underneath. When her huge round butt made it under the sheets it was all over – the tucked in edges and corners came undone entirely.\n\n“You ruined it,” Matt complained, trying to make his sister’s act of untucking his bed sheets sound like an atrocity.\n\n“Ruined what?” Jennifer asked, feigning ignorance as she slid further under her brother’s sheets, finally to her neck.\n\n“The bed! The sheets were super-tight and comfy! You only get that for like, a few nights before it goes back to being all loose and normal,” he complained.\n\n“Oh… whoops,” Jennifer teased.\n\n“That’s the whole reason we did it on the floor. We may as well have just done it on the bed if you were gonna mess up the sheets anyway,” Matt continued, indignant.\n\n“Well, damage done I guess. Now that the bed’s messed up… I guess it wouldn’t matter if we did it here too,” Jennifer said, rolling her body on its side and letting her leg drape over Matt. The sheets untucked even more as she rolled, the incredibly wide thickness of her hips dislodging them further now that she was on her side.\n\nPart of her was teasing Matt, but part of her also did want him to fuck her again, immediately. It had been days, after all. Once wasn’t enough.\n\n“We just did it. I can’t get it up again yet,” Matt said bluntly.\n\n“Maybe I could help you…” Jennifer said, rolling further so that she was on top of her brother. She let her hips drop down on his now limp cock and started grinding on it. “That feel good? Getting hard?”\n\n“No! That’s not… you’re crushing me! G-get off…”\n\nJennifer scrunched her nose. She was usually pretty cognizant of her size and weight, but sometimes she did make mistakes, and sometimes she did forget just how much bigger, heavier and stronger she was than her little brother.\n\n“Sorry… maybe like this then,” she said. She wrapped her arms behind his back and then rolled over again, this time on her back. Jennifer didn’t know it, but it was the same maneuver their aunt Lindsey had used on Matt that morning to get him on top of her.\n\n“Hey! Jennifer!!” Matt called out, but he was powerless to stop what was happening. Before he knew it he was laying on top of his sister, face-to-face with his limp cock on her belly.\n\n“What? Is this worse that being crushed?” She said.\n\n“No, but… what are you doing? I was trying to sleep, and now you’re just…”\n\n“Just what? We just had sex, you know? If you ever start dating other girls and they let you fuck them, they’re not going to be too happy with you if you kick them out of bed as soon as you cum. You know that, right?”\n\n“I mean… yeah, I get that, but that’s different. That’s like… real girls. You’re my sister,” Matt answered, unaware of how insulting his comment could be construed.\n\n“So I’m not a real girl?” Jennifer said. She knew what Matt meant and wasn’t offended in the least; Matt had a way of phrasing things in the worst possible way. He was right, anyway – it wasn’t the same and she knew it. But teasing her brother was always fun.\n\n“That’s… sorry. I didn’t mean it like that,” Matt apologized.\n\n“I’ve got real tits…” Jennifer said, grabbing Matt’s hands and pulling them to her ample chest and onto her black nipples. “And I’ve got a real pussy…”\n\nShe pulled down on Matt’s butt and the back of his thigh, pulling his leg towards her still-slick crotch.\n\n“… and you’ve got a real cock that seems to really like my real pussy. So I’m pretty sure I’m a real girl.”\n\n“I didn’t mean it like that, I’m sorry! I just meant like… like…” Matt said, but he was unable to articulate it.\n\n“I’m just screwing with you. I know what you meant,” Jennifer said.\n\n“I just meant like… you’re my sister, not a girlfriend, you know? So it feels a lot more… casual? I dunno…”\n\n“I get you. Believe me, I do,” Jennifer said, finally letting him off the hook.\n\nBut this was only a temporary reprieve. The real reason she crept back into bed with her brother wasn’t to have sex with him again – though she certainly would have if he were able to get hard ten minutes after cumming. And it wasn’t to get him tied up in linguistic knots about whether or not she was a ‘real girl.’ The reason she slid under his covers, the reason she now had her arms wrapped tightly around him, was something else. She’d seen him fucking Ellie. She’d [i]helped[/i] him. And she wanted him to know that.\n\nJennifer waited for more than a minute, steeling herself for what she was about to say. She didn’t know what Matt’s reaction would be, but he’s probably freak out in some minor way.\n\n“So anyway… speaking of pussies,” Jennifer finally said, as casually as she could, “whose is better… mine or Ellie’s?”\n\nJennifer felt her brother’s entire body go tense, like a plank of wood. He stopped breathing, frozen like an animal spooked by a predator. She was reminded of that movie they watched the other night, the one with the dinosaurs where you had to stay perfectly still because the dinosaurs could only see movement or something.\n\nThis was one of the reactions she expected, but she didn’t want Matt to feel this way. It was fun teasing him, but it wasn’t fun scaring him.\n\n“Did you hear me?” she said after a few seconds. “I asked who you like fucking more, me or Ellie.”\n\n“W-w-what… What are you talking ab-bout?” Matt stammered.\n\nHe still wasn’t breathing. Jennifer decided to go easy on him.\n\n“Jesus, Matt, don’t freak out. It’s no big deal,” she said in a tone meant to convey that Matt was making a mountain out of a molehill. “Last night I went to get a glass of water and I saw you and Ellie. On the couch. Fucking.”\n\n“It… it wasn’t…” Matt managed to squeak out.\n\n“Matt, I [i]saw[/i] it. And I heard you the night before. When you were on the couch behind me during movie night? I heard you two going at it.”\n\n“Jenn… you… we…”\n\n“Matt!” Jennifer exclaimed, clenching him tight to get his attention, “chill out! I don’t care, it’s cool. I’m not your girlfriend, I’m your sister, right? You can’t cheat on your sister. That’s not a thing. You’re allowed to fuck other mares. Like, to be perfectly honest, I want you to fuck other mares.”\n\n“Wait, you… you [i]want[/i] me to have sex with other girls besides you?!”\n\nJennifer felt all the tension leave Matt’s body at once; the surprise of that statement seemed to make him understand that his sister wasn’t about to toss him into the ceiling or crush him in her arms like a boa constrictor.\n\nMatt raised his naked body up off Jennifer’s bare stomach and chest. Such was his astonishment that he wanted to look Jennifer in the eye to make sure she wasn’t messing with him.\n\nShe let him out of her tight grip, one hand drifting to the small of his back and the other right onto his cute little butt, which after his cock and balls was probably her favorite feature of his body. Or maybe his little chest without any muscles and those two cute little black nipples. Or maybe his skinny little arms. It was all so cute, it was hard to say. Why didn’t she notice how adorable and sexy her brother was until they started having sex?\n\nHe had his elbows right on her ribs with his hands still on her breasts, thumbs on her nipples, the same color as his but much, much larger. In the position he was in with his elbows digging into her, it would probably be painful if he wasn’t so comparatively small and light; she weighed more than two and a half of him.\n\n“Hell yes I do,” Jennifer said. Matt could see that she was looking up at him with an incredibly horny look in her eyes. She was lustfully kneading his butt like pizza dough. “I want you to fuck every mare you can. I want you to fuck every girl in your class at school, every teacher if you can…”\n\nThat was wishful thinking, of course, but Matt caught the sentiment.\n\n“That’s… wha? why?” was all he could say. Jennifer thought the look of confusion on his face was really cute.\n\n“Because… well for one, it would be weird if the only mare you ever fucked was your sister. But also because… because it’s fucking [i]hot[/i] you dingbat!!”\n\nMatt’s expression turned from pure confusion to something more resembling confused amusement, like an expression he would have if he were watching a magician perform a trick.\n\n“Dingbat… that’s a new one,” he said. “But like… what do you mean? Isn’t having sex with me what you want? Most girls don’t like it when their guy has sex with other girls…”\n\n“Yeah, but you’re not ‘my guy.’ You’re my brother. Girlfriends and boyfriends can break up, go their separate ways, but the two of us… you’re my only brother and I am your only sister. No matter what happens we are kind of stuck with each other, you know? For the rest of our lives.”\n\n“So the fact that we’re related makes you want me to… have sex with half the girls at school?”\n\nThis wasn’t exactly coming out right, Jennifer could tell. But Matt was being kind of silly and playful now, so that was a success. She was worried he’d clam up when she admitted to seeing him having sex with Ellie.\n\n“No! I mean, maybe that was an exaggeration. Maybe not [i]every[/i] mare you can. But…” Jennifer started. This wasn’t going anywhere, so she started a new tack. “Ok, so… confession time. It’s like this. I wasn’t going to the kitchen to get a glass of water when I saw you and Ellie doing it on the couch. I snuck out of my room just on the chance I’d see it. Like, specifically trying to see it.”\n\n“Really? How did you know we would be doing it?” Matt asked.\n\n“I didn’t [i]know[/i], not for sure. But I heard you guys fucking right behind me during movie night! And because I know you oh-so well, I know that you’d never pass up the chance to sex…”\n\n“Well… yeah, that’s true. Busted I guess. Guilty as charged,” he admitted. “But I still don’t get why you wanted to watch.”\n\n“I already told you, because watching you fuck another mare is fucking hot, doofus!” she declared, feeling that no other explanation was really needed. “And I didn’t just watch like a creep, you know? I was… I was feeling myself, too.”\n\n“You were masturbating,” Matt said, blunt as ever.\n\n“I… yeah?” Jennifer said, feeling she was stating the obvious.\n\n“You were masturbating while watching your little brother and little cousin having sex,” Matt said.\n\n“I was [i]masturbating[/i] while watching your fat black cock splitting our sweet little cousin in half. I was [i]masturbating[/i] while watching her lose all control bouncing on you like she was riding a pogo stick. I was [i]masturbating[/i] while your cock twitched and your balls tensed and her pussy winked when you came inside her.”\n\n“Damn…” Matt said, dumbstruck. “You saw all that?”\n\n“Sure did,” Jennifer answered. “And like I said, it was fucking hot.”\n\nFor another moment Matt didn’t say anything. He was trying to digest all this new information.\n\n“I kinda… I kinda wish I had known, you know?” he finally said.\n\n“Why’s that?”\n\n“I dunno. It would have been kinda cool to know I had an audience. Like, a fan cheering me on.”\n\n“More like cheering you [i]in[/i],” Jennifer said, causing Matt to snicker. She smiled back up at him while giving his left butt cheek a firm squeeze. “But you know, I wasn’t just cheering for you. I guess you didn’t notice, but I was playing Santa’s little helper…”\n\n“What do you mean?” he asked. He cocked his head a little with his question, which Jennifer found ridiculously cute as she kept idly massaging his little butt.\n\n“You two were making a lot of noise on the couch during movie night, you know. I was coughing and making noise to try to cover it up when you two got a little too loud. And then I kind of blocked you from view afterwards. And then I washed all the wet blankets this morning…”\n\n“Oh… crap,” Matt said.\n\n“Yeah, ‘oh, crap.’ Plus whenever you two disappeared to that treehouse I was keeping mom and Aunt Lindsey and Uncle Bob busy. Because I assume you two were fucking in the treehouse too, right?”\n\n“We… yeah, we were,” Matt said.\n\n“Knew it,” Jennifer crowed. Matt was too predictable.\n\n“I didn’t think we were that obvious,” Matt said.\n\n“You were extremely obvious. To anyone who cared, anyway. Fortunately for you, that was just me,” Jennifer said.\n\n“Yeah…” Matt said, trailing off, thinking about how it might not have been just his sister who suspected something was up. His aunt knew firsthand about his sexual appetites, after all. “So the only reason was because you thought it was hot?”\n\n“Yeah. Pretty much,” Jennifer answered.\n\n“So you just like to watch…” he prodded.\n\n“No, not just that. I think it’s like… I dunno, it’s hard to explain. I think it’s like, the idea that your cock is in high demand, and you’re out there fucking other mares and cumming inside them and,” Jennifer said, catching herself before she said ‘getting them pregnant,’ which was the real major reason she found it so hot, “and, and… at the end of the day I’ve got it all for myself.”\n\n“That doesn’t really make any sense,” Matt said. “I think you just like watching.”\n\n“No!” Jennifer said indignantly, though she couldn’t articulate why he was wrong – at least not without also revealing that she was carrying his foal. “Like… so, there’s also the fact that I was trying to help Ellie out, did you think about that?”\n\n“Helping Ellie? What do you mean?” Matt asked.\n\n“Ellie’s a sweetheart. And she’s been your best friend since you were little.”\n\n“Either her or Billy,” Matt interjected.\n\n“Well… yeah. But anyway, Ellie’s our little cousin and I want to see her happy. She deserves to have fun, to be happy, all of that. What she [i]deserves[/i],” Jennifer said, pausing for dramatic effect, “is a fat cock to bounce on.”\n\n“Well!” Matt said, his eyes widening, still smiling, “mission accomplished I guess. How’d you know that’s what she wanted?”\n\n“Oh, Matt…” Jennifer said, rolling her eyes, “that’s what [i]all[/i] girls want. Most girls won’t admit it, but they do. And since I knew you have the biggest cock around, I figured, why not share it with our sweet little cousin? Kind of like a Christmas present for her, give her the best experience possible for her introduction to the wonderful world of horse cock. She was a virgin, right?”\n\n“She [i]was[/i]…” Matt said.\n\n“I figured. So yeah, my way of helping her to get something I thought she deserved. From what I saw she liked it…”\n\n“She loved it,” Matt said. “And actually, she thinks she’s… she thinks I’m her boyfriend now.”\n\n“Pffftthh!!” Jennifer burst out, a half-laugh, half-snort. “Like, you’re her [i]actual[/i] boyfriend and she’s not just getting boned by her cousin?!”\n\n“Yeah…” Matt said.\n\n“And you let her think that?”\n\n“What was I supposed to say? And then she started talking about living together in college and getting married and…”\n\n“Oh. My. God,” Jennifer said interrupting her brother. “That is abso-fucking-lutely adorable! She’s in love!”\n\n“Shut up!” Matt said, though he was trying not to laugh at the same time.\n\n“Matt and Ellie, sitting in a tree…” Jennifer started teasing.\n\n“Shut up…” Matt groaned.\n\n“K-I-S-S-I-N-G…”\n\n“Please, Jennifer…”\n\n“First comes love, then comes marriage, then comes Matty with a baby carriage!”\n\n“That’s not gonna happen!” Matt said. “We had safe sex. Every time.”\n\nJennifer’s mind immediately went to condoms before remembering that what Matt meant by ‘safe sex’ had nothing to do with what the term actually meant.\n\n“True. Every day she was here was a safe day…” Jennifer lied.\n\n“Exactly. It was a safe time every time we did it,” Matt said with supreme, though misplaced, confidence.\n\n“Mm-hmm,” Jennifer hummed, knowing that what her brother and cousin did was anything but safe. Her hands had moved from his chest back to his butt, and now one was sliding further down, under his tail, over his puckered horse-tailhole, further down. Gently and delicately her fingers fell onto her brother’s massive black ball-sack, over the two softball-sized orbs within.\n\n“So how many times did you guys do it, anyway?” she asked while massaging his balls. She was getting aroused again, but sadly she could feel that Matt’s cock was still soft and limp, only a few inches protruding from his leathery sheath resting on her stomach.\n\n“Umm… let me think,” Matt said. The fact that he had to think about it spoke volumes to Jennifer. “Five?”\n\n“Five?!” Jennifer said with genuine surprise.\n\n“Well… only four times where we actually had like, real sex. The first time was just kind of, rubbing it between her thighs and making a mess all over her.”\n\n“Wow…” Jennifer said, “so like… when was the first time you did it for real?”\n\n“Chistmas Eve night. After everyone went to bed,” Matt said.\n\n“So Ellie lost her virginity on our living room couch…” Jennifer said.\n\n“Yep,” Matt answered without any pretext. “She thought it was my first time too. She doesn’t know about us…”\n\n“Yeah, I figured. That explains why she thinks you’re her boyfriend. Shared first experience and all that.”\n\n“Probably,” Matt said.\n\n“So…” Jennifer started again, about to ask the question she was thinking about the most. “When you guys had sex, four times. Did you cum inside her every time?”\n\n“Well, yeah, of course,” Matt answered in a tone that suggested it was a silly question for his sister to even ask.\n\n“You came inside Ellie’s pussy four times?” Jennifer repeated, the thought of her brother’s cock flaring and pumping her cousin full of cum making her excited.\n\n“Yeah? That’s what ‘cum inside’ means. Like, you know, what you were asking me to do to you ten minutes ago? And I did?” Matt said. “It’s a safe time so it’s no big deal, I can cum inside you or Ellie or anyone all day and it won’t matter.”\n\nJennifer was kneading his enormous balls like she had been with his butt earlier. Four times. Matt creampied Ellie four times. [i]While she was in heat[/i]. Matt may have been ignorant of equine anatomy, but Jennifer wasn’t. Based on everything she knew, it was almost a statistical impossibility for Ellie [i]not[/i] to have been impregnated during her Christmas visit. Especially considering the insane, impossible geyser of cum that Matt seemed to spray when he came. It was unlike anything Jennifer had ever seen with any other guy she’d fucked.\n\nThese balls, she thought, massaging them in an almost trance-like worship. These are the balls that knocked me up, the balls that fathered the foal growing inside me this very moment. Now it was effectively a certainty that these same balls had created another new life inside her 14-year-old cousin. Ellie didn’t know it yet, but soon she and Jennifer would be raising foals together, fathered by the same dorky little dweeb.\n\n“Yep, that’s true,” Jennifer confirmed nonchalantly. “Well, I’m glad you did. Fuck Ellie, I mean. And cum inside her. Ellie’s so sweet, she deserves to get some good dick and a cummy tummy. Especially for her first time. Good for her. I’m happy for her. I’m happy you could give it to her.”\n\nThey would soon be mothers together, and Jennifer was thinking about how they’d probably soon be commiserating about the experience. She was also remembering how fun it had been watching her ride Matt, encouraging and urging her to ‘get that dick, you get that dick girl.’ Well, she did. And now she was pregnant because of it.\n\n“Yeah, umm… okay. Sure,” Matt said, not really sure what to say and a little weirded out.\n\n“Don’t be like that! Listen! I’m just saying like, I’m glad her first time was with you, and I am glad you came inside her. Because that’s like, the full experience, you know? For a lot of girls the first time is… it’s not great. Some colt who doesn’t know what he’s doing and blows his load in five seconds and that’s their introduction to sex. That sucks. But I know with you Ellie had the fucking time of her life…”\n\n“Heh… yeah, she did,” Matt chuckled, remembering his cousin’s crashing orgasms, eyes rolling back in her head and whole body spasming and quivering.\n\n“Mm-hmm! And like I said, I am glad you came inside her because… how can I explain this,” Jennifer said, pausing for a moment to gather her thoughts and express them properly. “It’s like… when you have sex and it’s good and then the guy pulls out, it’s such a letdown. You can’t explain it but your body knows it got cheated out of the best part. Because Matt, I know you don’t understand but for a girl, that feeling when a guy cums inside you…”\n\nJust thinking about how to describe it was exciting to her.\n\n“When his tip flares out and stretches you from the inside and then you feel that warmth deep in your gut from his cum, filling you, spreading inside you, that’s… there’s nothing like it. Nothing on the planet. It can’t be described. It’s fucking [i]heaven[/i]. So yeah, I’m glad Ellie’s first time was with you, and I’m happy for her. She’s our sweet little cousin and I love her like a little sister and I’m happy she got herself some good fucking cock and a pussy full of cum for her first time. Because that’s the best.”\n\n“It feels pretty good for me too…” Matt offered.\n\n“I kiiiind of figured that,” Jennifer answered.\n\n“And Ellie seemed to really like it,” Matt continued.\n\n“Well, yeah. She let you creampie her four times in what, two days? You corrupted her. You [i]ruined[/i] her. You turned our sweet innocent cousin into a little eighth-grade cum slut. No wonder she’s dreaming about getting married and having your foals – you got her hooked on horse cock. Addicted. Happens to the best of us…”\n\nThere was a long, awkward pause. Matt didn’t say anything.\n\n“Anywaaaay…” Jennifer said, changing the subject after realizing she was being a little weird, “back to my original question, which you never answered. Who’s better in the sack, me or Ellie?”\n\nJennifer saw her brother smirk, trying to think of a tactful answer.\n\n“Well… it’s hard to say who is [i]better[/i]. It’s really different with both of you.”\n\n“How’s that?” Jennifer asked.\n\n“I mean… there’s the obvious. Ellie’s the same size as me, and you’re… well, you’re…”\n\n“Huge…” Jennifer said, finishing Matt’s thought.\n\n“Not in a bad way!”\n\n“Don’t. It’s fine. I know I’m giant, it’s no secret. I’m not self-conscious about it. Besides, you don’t seem to mind these…” she said as she gently shook her chest, which Matt’s hands were still casually resting on. “Ellie’s flat as a board. She probably looks about like you do without a shirt, right?”\n\nHer big, strong hands went from Matt’s backside to his chest. Each one of her hands was almost as big as Matt’s entire chest, but she could also be gentle with them. Just as Matt, freshly reminded of his sister’s tits, was now squeezing and fondling them, Jennifer rubbed her hands up and down her brother’s chest in admiration and desire.\n\n“Yeah, we look almost the same. She has no tits at all,” Matt confirmed.\n\n“And you like that?” Jennifer asked with genuine curiosity.\n\n“Well I mean… I dunno. I don’t not like it. I like your big boobs but Ellie’s chest is hot too. I dunno, I can’t explain it. I’m not like, super picky about boobs. I like big boobs and small boobs and no boobs on girls. Girls can be hot in all shapes and sizes, you know? It’s your super-power.”\n\n“That was… probably the best answer,” Jennifer admitted, knowing that he was probably telling the truth. “And I can confirm that flat chests can be really hot…”\n\nMatt felt her thick hands running up to his neck, then back down his chest and stomach. She had grown to love every inch of his body.\n\n“Yeah. I mean it’s like, you like my body, right?”\n\n“Sure do…” Jennifer said without any delay, still feeling him up.\n\n“But you also like buff dudes with muscles everywhere, right?”\n\n“I… I guess so,” Jennifer answered. In truth she used to like bigger, more muscular guys, but over the past few months her tastes had changed so much that she now only ever thought about small, young, colt-like boys – like her brother. Still, she understood the point Matt was trying to make.\n\n“There you go. You have big boobs, Ellie is ‘flat as a board.’ I like girls so I like both. That’s not the biggest difference though,” he said.\n\n“What is?” Jennifer asked.\n\n“It has to do with your size though…”\n\n“What is it?” Jennifer asked with more insistence.\n\n“It’s… your pussies.”\n\n“Ohh… that’s what I figured,” Jennifer said.\n\n“Like with you it’s like… I can just ram it in without having to be careful at all because I know I can’t hurt you.”\n\n“You’re so romantic…” Jennifer said sarcastically.\n\n“But with Ellie… she can’t take the whole thing. Like, she’s not big enough. Physically.” Matt continued.\n\n“Really…” Jennifer said with some surprise. It made sense when she thought about it, she just hadn’t really thought about it before. “So you can only get it part of the way in?”\n\n“Yeah. About to my ring. I have to be careful about it,” Matt explained. “But it’s all right because she is so unbelievably… she’s so [i]tight[/i]. It feels so fucking good.”\n\nJennifer figured as much; no surprise that her 14-year old cousin who was less than half her size had a tighter pussy than she did.\n\n“So you’re saying my pussy is loose…” Jennifer needled.\n\n“No! God no!” Matt said with such sincerity she had to believe it. “You pussy is tight too! Just… Ellie’s is like a clamp. A hot, wet clamp. And small. Yours is… you just have a really big pussy.”\n\n“I’m eight feet tall Matt…” Jennifer said, almost as an excuse as to why her pussy was so big.\n\n“I know! I’m not saying it’s bad, just saying you have a really big pussy. And I mean like, it would be weird if you didn’t have a big pussy, you know? Like you said, you’re eight feet tall…” Matt repeated. “Plus, like I said it’s good because I know I don’t have to worry about hurting you. I can just go to town, as hard as I want.”\n\nJennifer couldn’t stop herself from smiling, taking a kind of perverse pride out of her brother’s words.\n\n“Hmm, true… I guess that’s what makes us so compatible. My ‘really big pussy’ is the perfect size for your really big cock. Like they were made for each other. Perfect fit,” she said.\n\n“Yeah. That and the fact that we’re brother and sister. Makes us compatible, I mean,” Matt answered.\n\n“Yeah, probably that too… but mostly your really big cock,” Jennifer trailed off.\n\nShe still had a slight grin on her face as she breathed in deeply. Matt, still laying on top of her, rose with her chest as she inhaled. She sighed with an audible contentedness and Matt lowered down again with her chest.\n\n“Hey Matt?” she said. “Can you make me a promise?”\n\n“Maybe,” Matt answered.\n\n“So like,” Jennifer continued, “I don’t care what other mares you have sex with. I think it’s kind of hot, like I said. Fuck as many as you can. Just like… if you do, can you let me know?”\n\n“Like… tell you if I have sex with another mare?” Matt asked, wondering if he heard his sister correctly.\n\n“Yeah.”\n\n“Why?” he asked.\n\n“Because like I said, it’s hot. And I’m your sister and we should be able to talk about stuff like that.”\n\n“Would you tell me if you had sex with another guy?” Matt asked.\n\n“Would I! Honey,” Jennifer blurted out, “I’d brag about it to you. Instantly. All the juicy details.”\n\n“Gross…”\n\n“Oh, it’s gross when another stallion does it but not you?”\n\n“Kind of?”\n\n“That doesn’t make any sense,” she said, rolling her eyes.\n\nThe idea of other horses fucking his sister was something Matt hadn’t thought about in a long time, but he did remember that before they started having sex there were a lot of rumors about her promiscuity. That’s how they’d had sex the first time, after all – she thought he was someone else. Curiosity got the better of him.\n\n“So like… how many guys have you had sex with?” Matt asked, not really expecting his sister to answer.\n\n“Counting you?” Was her instantaneous response.\n\n“Sure.”\n\nMatt saw her turn pensive, going over memories in her mind. At first he thought she was messing with him, but after a few seconds he realized she really was making a mental tally of all the guys she’d fucked.\n\n“Counting you, let’s see…” she started, “I’m pretty sure it would be – 37.”\n\n“37!” Matt exclaimed.\n\n“Shhh!!”\n\n“37…” he whispered, “you’ve fucked 37 guys?!”\n\n“Yeah?” she answered matter-of-factly.\n\n“That’s like… that’s like a quarter of all the guys in your grade at school!”\n\n“They weren’t all seniors!” Jennifer said defensively. “And they didn’t all go to my school. You’re the youngest though. So far.”\n\nMatt didn’t say anything. Jennifer could see the shock writ large on his face.\n\n“You seem surprised,” she said.\n\n“I just… I didn’t realize it was so many.”\n\n“Well, it is. Like I said, about what you did to Ellie? Hooked on horse cock? Addicted? Yeah, that’s a thing. I love cock. I’m not ashamed of it.”\n\n“Have you had sex with anyone else since we started doing it?” Matt asked, unable to stop himself.\n\n“No, just you for the past two months. None of the other 36 guys had cocks as big as yours so, no need,” she said flippantly. “Plus none of them have bedrooms fifteen feet away from mine, so it’s a convenience thing.”\n\nShe didn’t feel the need to tell Matt that she had fallen out of popularity at school to the point where it was unlikely any of the 36 other guys would sleep with her again, or the fact that her taste in guys had shifted so much towards the physical proportions of her brother than she didn’t have much interest in stallions her own age or size any more.\n\n“Sooo… now that you know my number, how many mares have you fucked?”\n\nJennifer said it mostly as a joke, which was why Matt’s response was so unexpected.\n\n“I never promised I’d tell you…” he said.\n\nJennifer’s eyes opened wide, her mouth opened in a gasp that she had the wherewithal not to verbalize.\n\n“Matt! More than two!!” she practically squealed.\n\n“I didn’t promise to tell you!” he feebly deflected.\n\n“You [i]colt-slut!![/i]”\n\n“I didn’t promise!!” was Matt’s only defense.\n\n“But you didn’t deny it…” Jennifer said. “So promise me now. I already know there’s at least one more mare on your list. Just admit it.”\n\n“I… it’s…” Matt stuttered. Yes, there was another mare on his list of conquests. That wasn’t a big deal, though. It was [i]who[/i] that mare was that he was afraid to tell his sister.\n\n“You don’t have to be embarrassed. I think it’s hot. So tell me… three? More?”\n\nThere was a long pause. Jennifer could tell he was mulling over his response. His eyes were turned away from hers. He gulped hard.\n\n“Three,” he finally said, weakly, admitting defeat. He knew what was coming next.\n\n“Mmmmm!” Jennifer hummed, smile beaming ear-to-ear. Matt felt her squeezing and kneading his butt cheeks again with both hands. She couldn’t hide her visceral reaction to Matt confirming that he was fucking other mares. “That’s what I thought. Little Matt, three mares in three months. At this rate you’ll be past my 37 by the time you’re my age.”\n\n“I guess…” Matt said, not sure how to feel, not sure how his sister’s opinion would change when she found out who that third mare was.\n\n“So… who is she?” Jennifer asked.\n\n“I don’t wanna say…” Matt resisted.\n\n“A girl from your class?” Jennifer suggested.\n\n“No…”\n\n“Matt! A teacher?!”\n\n“No!!” Matt said loud enough for Jennifer to know he wasn’t lying.\n\n“Hmm… someone I know?” she continued.\n\nMatt didn’t say anything, his eyes averted even further. That was all the confirmation she needed. Matt was a terrible liar. Although, to be fair, he hadn’t lied to her. And their relationship was at a point where she was confident he wouldn’t lie to her. He was just reluctant to give her information, for whatever reason.\n\n“It is someone I know!” Jennifer crowed. “One of your friends’ sisters?”\n\n“No…”\n\n“Matt! One of their [i]mom’s!![/i]” she exclaimed with the same energy as when she asked if he’d fucked a teacher.\n\n“No!!” Matt answered again in the same way. “Not… anything like that.”\n\nThere was something in the way Matt said it. Jennifer couldn’t pinpoint it – it could have been that she knew him better than anyone, having lived with him for their whole collective lives. Maybe it was just their bond as siblings. But in that instant, Jennifer pieced it together.\n\n“Oh my god, Matt, you didn’t…” she whispered.\n\nMatt felt her hands clench tight on his butt cheeks. She had him pinned, there wasn’t any escape, not as strong as she was.\n\nJennifer saw him turn to look in her eyes again.\n\n“You did, didn’t you?” Jennifer continued, now in a whisper, “you fucked Aunt Lindsey.”\n\n“It wasn’t my fault! She made me do it!”\n\n“You [i]fucked[/i] Aunt [i]Lindsey?!![/i]” she repeated, incredulously, no longer whispering but stifling an outright outburst.\n\n“She forced me to! She took me behind the store and made me have sex with her! It was all her idea!” Matt blurted out.\n\nThis only confused Jennifer. The fact that her little brother fucked their aunt was a little bit of a mind-fuck, but given the fact that she knew Matt has also had sex with his sister and his cousin, it wasn’t the most surprising thing in the world. The most confusing part wasn’t that Matt fucked their aunt Lindsey, but that she let him. Ellie… Jennifer could understand – she’s young, inexperienced and in heat. But Aunt Lindsey? She’s 34 years old. She’s [i]married[/i], for god’s sake. What the hell?\n\nAnd what was Matt saying? She made him do it? What did that mean?\n\n“Okay, okay! Calm down. You fucked Aunt Lindsey… fuck. Okay, calm down. I’m not gonna freak out. It’s just… I was not expecting that,” Jennifer said, trying to calm Matt down.\n\n“It’s…” Matt started. He was breathing hard, fight or flight response triggered, but when he realized Jennifer wasn’t freaking out he started calming down. Jennifer was massaging his naked butt and lower back again to help him relax. She gave him a moment to start breathing normally again.\n\n“It’s okay. It’s fine. It’s just really surprising. How did it happen? She made you do it?”\n\n“Y-yeah…” Matt answered sheepishly. “The first time, at least.”\n\nJennifer bit her lip. Despite her better judgment and for reasons she couldn’t explain, now that she’d had a moment to process it, the idea of Matt fucking their aunt was really hot.\n\n“How many times did you do it with Aunt Lindsey…” she asked, voice low, both hands back on her brother’s butt.\n\n“Three times,” he answered flatly.\n\n“Three? God damn, Matt, three times with Aunt Lindsey. And four times with Ellie, just in a few days… no wonder you couldn’t go again tonight.”\n\n“Sorry…” Matt said, apologizing for having so much incestuous sex over the past few days with a sincerity that Jennifer found absurdly adorable.\n\n“Don’t apologize. I’m happy for all three of you,” Jennifer said. “So… three times with Aunt Lindsey. Did you… cum inside her?”\n\n“Yeah,” Matt answered, again, as if it were obvious.\n\nJennifer squeezed his butt again hard, spreading his cheeks and exhaling loudly. [i]Fuck[/i], she thought. [i]So fucking hot[/i].\n\n“All three times?”\n\n“Yeah? It was a safe time,”Matt said.\n\n“And she let you?” Jennifer asked, trying to think through the information she now had, searching for an explanation. One time she might be able to understand, given Matt’s proclivities, but three? Why would Aunt Lindsey let Matt creampie her over and over again?\n\n“She didn’t [i]let[/i] me. She asked me to and basically made me do it. Like, she held me and wouldn’t let me pull out if I wanted to. It was safe sex so I wasn’t going to anyway but, yeah, she kept telling me to cum inside and it was like she made sure I did.”\n\n“She told you it was safe?” Jennifer asked, trying not to sound as absolutely flabbergasted as she was.\n\n“Yeah, she said it was safe and kind of forced me to cum inside her,” Matt said. “Three times.”\n\n“Why?” Jennifer said out loud, even though she didn’t mean to.\n\n“I dunno. You just said it’s the best feeling in the world, right? Bob probably wasn’t doing it for her. And she already knew I had a really big dick.”\n\nIn just a few minutes, Jennifer figured out what Matt never did. That was it. Bob wasn’t doing it for her – but not in the way Matt meant. How long had they been married, almost 10 years? And they still didn’t have a foal of their own, even though she knew they both wanted one? Aunt Lindsey wasn’t having sex with Matt for fun. She was doing it to have a foal, a foal she would try to pass off as Bob’s. She was trying to get Matt to impregnate her. She was breeding. She was [i]breeding[/i] Matt, intentionally. Or rather, she was forcing Matt to breed her. The perfect crime.\n\nBut then something else occurred to Jennifer, something Matt just said.\n\n“Wait, wait, wait… what do you mean she ‘knew’ you had a big dick? How did she know that?”\n\nOf course, it could have just been that she saw it under Matt’s loose pajama pants, but something told Jennifer there was more too it than that. When it came to her little brother, it always seemed to be something more obtuse.\n\n“Oh… I… she…” Matt fumbled.\n\n“How, Matt…” Jennifer asked, her suspicions all but confirmed by how flustered Matt became all of a sudden.\n\n“She…” Matt said. He paused for quite a long time.\n\n“The truth…” Jennifer insisted.\n\nThere was no way around it. All the women in Matt’s life were bigger and stronger than him, but while he’d never admit it – they were smarter than him, too. At least when it came to stuff like this.\n\n“She… she saw us,” Matt finally admitted.\n\n“What do you mean she saw us?!” Jennifer exclaimed, trying to remain calm but with a cracking voice.\n\n“She… okay, the truth. During Thanksgiving, when they visited, remember? And I was in your room and we were doing it?”\n\nJennifer tried to remember; she had had sex with her brother so many times it was difficult to remember any single time.\n\n“I think so…” she said.\n\n“Well, she… when we were doing it, she went to the bathroom and peeked into your bedroom,” Matt said. “And she saw us. Having sex, I mean.”\n\nJennifer stopped kneading Matt’s buns, gripping them tightly again. She knew? She knew about her and Matt? What else did she know?\n\n“And then she like… she said if I didn’t have sex with her she’d tell mom,” Matt said in his defense. “So I didn’t have a choice! She made me fuck her!”\n\nShe made you [i]breed[/i] her, Jennifer thought.\n\nIt all made sense; finally, Jennifer had the whole picture. Aunt Lindsey saw what she saw a month ago, but she didn’t tell anyone. Then she must have hatched a plan. Her husband couldn’t give her a foal, but when she saw how big Matt’s cock was, how big his balls were, how much cum he produced…\n\nThat scheming little minx!\n\nJennifer closed her eyes, inhaling heavily, exhaling. She started kneading Matt’s cute little butt again. This little colt – this dumb, reckless, horny little colt. One of her hands slid down to his massive balls. These stupid balls, she thought. These big, stupid balls had gotten her pregnant. Her and, as she now knew, two other mares. At this very moment no fewer than three mares had foals gestating inside them thanks to this idiot of a little brother she had.\n\nAnd that was hot as fuck.\n\n“That’s… wow,” she said.\n\n“I didn’t have a choice!” Matt said as an excuse.\n\n“No, you’re right,” she said. “You didn’t. That’s just… That’s crazy, that’s all. I never would have expected that.”\n\n“What if she tells mom about us?” Matt asked. Jennifer’s voice and words had mostly allayed his fear of his sister throwing him into the ceiling.\n\n“She won’t,” Jennifer said confidently, but not for the reasons Matt would have thought. “And you’re right, there wasn’t much you could have done.”\n\n“So you’re not angry?” Matt asked.\n\n“Angry?” Jennifer said. “No. Hell no. Not at all. Just surprised.”\n\n“It was safe sex so it’s not really a big deal, right?” Matt asked, looking for reassurance.\n\n“Exactly. It was totally safe sex,” Jennifer lied. She still wasn’t ready to tell Matt that he would be a father soon. And really, with Matt fathering so many foals with so many family members, it made her situation look less bad comparatively. So she continued. “And honestly I’m kind of proud of you.”\n\n“P-proud?” Matt asked. He raised himself up a little on Jennifer’s chest and looked her in the eye.\n\n“Mm-hmm,” she answered back, horny grin on her face, kneading his butt once again, “most colts your age are virgins, but you managed to get it on with [i]three[/i] different mares. You’re kind of becoming a sexy little stud…”\n\n“Really?” Matt asked with the energy of a dog being told he’s a good boy.\n\n“Yeah, really,” Jennifer said, “and I’m totally on board with it. So, will you promise me?”\n\n“Promise you what?” Matt asked.\n\nJennifer rolled her eyes. He had already forgotten.\n\n“Promise me that, if you have sex with anyone else, you’ll let me know,” she reminded him.\n\n“Oh. Yeah, I guess I can do that. I promise,” Matt said. “Will you promise too?”\n\n“Sure. I promise,” Jennifer said, though the chances of her having sex with anyone besides Matt any time soon were slim. “And if there’s anything I can do to help you get laid with a new mare, I promise I’ll do that, too.”\n\n“Oh… okay. That’s cool,” Matt said.\n\n“Promise me something else, too,” Jennifer said, pushing her luck. “Promise me that if you have sex with another mare, you’ll cum inside her.”\n\n“What if it’s not a safe day?” Matt asked.\n\n“It will be. Like, almost every day is safe, you don’t have to worry about it. Trust me. Plus, even on the one day a month that isn’t safe you have to do it like, multiple times that day for a mare to get pregnant. So if it’s one time you really don’t have to worry about anything,” she lied, knowing nothing could be further from the truth.\n\n“Really? I didn’t know it worked like that,” Matt said.\n\n“Yep, that’s how it works,” she quipped, as if it were common knowledge.\n\n“Oh. Cool! Good to know!” Matt said.\n\n“Yep!” she said, content that yet another piece of disastrous misinformation had been successfully implanted in her brother’s simple little brain.\n\nShe felt her heart flutter as he laid his head down on her chest, using her boobs like a pillow. Her hands wandered aimlessly all over the backside of his body, butt and back and thighs and balls.\n\n“I thought you were gonna kill me when you found out I did it with Ellie and Aunt Lindsey,” Matt confessed, his head turned to the side. In some ways laying on Jennifer was better than laying on a mattress. She was so big and strong that, with her hands roaming all over him, he felt safe and warm in a way that was impossible laying in bed by himself. At the same time she was every inch a mare, sexy and beautiful and into him. On top of all that she was his only sister, so there was a familiarity with her that he didn’t have with anyone else with the possible exception of Ellie.\n\n“Nope. You’re a colt, it would be weird if you didn’t have sex with them when they wanted it. Nothing wrong with it, it’s natural,” she said. “And also, thanks for being honest with me. About Ellie, Aunt Lindsey, her seeing us on Thanksgiving… everything.”\n\n“Oh… sure,” Matt said, not sure how to respond, “umm… thanks for telling me about the 36 dudes you did it with before me, I guess.”\n\n“You little…” Jennifer said, giving her brother a light, playful smack on his butt.\n\n“Oww!” Matt said dramatically, though they both knew Jennifer barely tapped him.\n\n“Oh, hush. You deserve a lot worse – I was trying to be real with you for a second and you just…”\n\n“I know… I’m sorry,” Matt said, a rare apology. “I was just trying to joke around, I wasn’t trying to be mean. And I should… I should thank you, too.”\n\n“For what?” Jennifer asked.\n\n“For everything in the past few months. It’s like… I dunno. Things with us used to be so bad. We never used to like each other, we were mean to each other all the time. But ever since we started…”\n\nHe paused for a second.\n\n“Ever since we started fucking,” Jennifer said for him.\n\n“Yeah. Ever since we started, it’s been different. I used to be afraid of you. Like, actually afraid. But I like spending time with you now, I like talking to you, I like… [i]this[/i], you know? Just laying in bed with you. And yeah, I like having sex with you too, but I feel like… I dunno. I feel like we’re really close now. In a really good way.”\n\nJennifer couldn’t help but smile. A hand went from Matt’s backside up his back and to the back of his head. She pulled him closer to her breast.\n\n“Yeah, I know what you mean. I used to just think of you just as an annoying, dorky little brother, but now…” she said, thinking about how much had changed in the past few months. “You’re my friend. Maybe my best friend. Probably the only one I can talk to about anything. Like, [i]anything[/i].”\n\n“Yeah,” Matt said. She felt him turn his head and start to lift his chest up, and then he was again looking into her eyes. “I don’t think I ever told it to you since we were little kids, but… I’m glad you’re my sister and… I love you.”\n\nJennifer felt like her heart was melting, a wave passing through her not unlike when she was filled with her brother’s shaft. No stallion or colt had ever said that to her before.\n\nShe stared up into her brother’s big eyes, glowing with warmth and sincerity. There was a bond with him that she didn’t share with anyone else, so that even if his words didn’t always convey exactly what he meant she could feel it and understand him purely on intuition. Matt didn’t mean he loved her like a girlfriend, but it also wasn’t exactly purely platonic like a ‘normal’ sibling relationship. It was something in between. Or maybe beyond. And besides, what was normal? Was the constant fighting and simmering hatred they had for each other before all this started normal? If so, normal sucked. Whatever this was, whatever had happened between them in these past two months – that was infinitely better. Whatever anyone else thought, their relationship now was [i]right[/i]. She understood. And she felt the same way.\n\n“Matt… I love you too…” she said.\n\nWithout a moment passing they closed their eyes and leaned into each other, mouths open, lips meeting. Once again their tongues slid past and across each other, and the two shire horse siblings kissed with a passion neither could explain but both embraced.\n\nWhen their lips finally parted, Matt and Jennifer just gazed into each others’ eyes for minutes, lost in the moment with heavy eyelids and butterfly stomachs and lazy smiles. Finally, Matt tilted his head and laid it back down on his sister’s ample breast, large enough to serve as a pillow for him, while she gently stroked his mane on the back of his neck and upper back.\n\nJennifer stared up at the ceiling fan, still feeling warmth in her chest and with a grin she couldn’t control. She knew she’d have to tell Matt about the foal he sired in her eventually. She also knew that, sometime in the next few months, all hell was going to break loose. By the time Jennifer was showing, Ellie would find out she was pregnant, presumably on the heels of her mom announcing that she and Bob were finally going to have a baby. Aunt Lindsey would certainly piece it all together, that was unavoidable. She was clever enough to figure everything out. It would be pandemonium. It would be cataclysmic.\n\nBut that was a problem for another day. Right now Jennifer just focused on the warmth and the love and the feeling of [i]rightness[/i] that flowed through her at the present moment, the weight of her brother and father of her foal on her chest, rising and falling with her breath.\n\nIn just a few minutes she could tell Matt had fallen asleep on top of her. Jennifer, embracing this feeling of sublime comfort that she knew wouldn’t last, that she knew was destined to be shattered in the not too distant future, closed her eyes.",
"writing_bbcode_parsed": "Sunday, December 26, 1997
Holiday music was still playing at low volume from the CD player when Matt opened his eyes. It was dark enough in the living room for him to tell that the sun hadn’t come up yet, but it was brighter than it should be if the only source of illumination had been the twinkling lights of the Christmas tree.
The half-asleep 14-year-old shire horse blinked a few times, then rubbed his eyes. What time was it? He looked over at the VCR, to the small display on the front panel. 5:45, it said. Too early to wake up. Best to get some more sleep.
But it was brighter than it should have been. Starting to wake up now, Matt turned his head and saw that the kitchen light was on.
Ah, that makes sense, he thought. He could hear, now, the faint sound of chopping coming from the kitchen, then the whir of some kind of appliance. His uncle Bob must be up already, cooking breakfast. No, too early for cooking. He was… what did he call it? Food prep? Matt didn’t really know what all that entailed, but he assumed chopping was part of it. What he did know was how good his uncle’s food always was, so it made sense that a lot of time and work went into it.
That was something to look forward to when it was time to wake up for real. So Matt closed his eyes, hoping to fall back asleep.
But that hope didn’t last long. Yes it was still dark, still too early to wake up, but he was aware now that there was a pressing need he’d have to attend to before he would be able to sleep again.
He had to pee.
Matt sighed. He didn’t mind getting up, but the floor plan of the Shire’s family home made it more complicated than that. Their house was old. It was usually neat and tidy, and it was in good repair, but it was old. That meant creaky floorboards, old kitchen appliances for Bob to wrangle with, and most pressingly for Matt, it meant that the floor plan was a little weird. There were only two bathrooms in the three-bedroom home, but along with all three bedrooms, both bathrooms were upstairs. One was the one he never used, the en-suite connected only to his mom’s bedroom. The other one, of course, was the one between and connecting his room and Jennifer’s.
What this meant in practice for Matt, laying on the couch, was that he would have to go through someone’s bedroom to get to the bathroom. And with his uncle occupied in the kitchen, there was really no question which bedroom he was going to enter. Besides, it was his bedroom. He didn’t need anyone’s permission to enter.
Matt lifted the blanket off of himself and let it fall to the floor. Ellie’s decision to do it out in the open last night prevented the blanket from getting covered in cum, but as his damp pants and shirt attested they’d still needed something to clean it up. Maybe he should take a shower while he was in the bathroom? But he quickly thought better of it. Running the shower might wake up his aunt Lindsey, or potentially worse, his sister Jennifer. Matt had been getting as much action as he could handle over the past few days, but Jennifer hadn’t been laid since their relatives arrived days ago. She might jump in with him if he took a shower.
Maybe that wouldn’t be such a bad thing…
No, he thought as he rolled over quietly, sat up and planted his hooves on the carpeted floor. There will be plenty of time for that when his uncle Bob, aunt Lindsey and cousin Ellie are gone.
Ellie. He looked down at her as he crept across the dimly-lit living room. She was fast asleep with the blanket pulled tight around her. She deserved to rest after yesterday, Matt thought. They’d fucked, what, four times in one day? Quite a debut for someone who was a virgin less than 48 hours ago.
As he looked at her serene face Matt thought about some of the things she’d said last night. In her mind he was her ‘boyfriend’ now, destined to someday be her husband. Fantasy, Matt thought. If she wanted to think that it was fine, but it didn’t change anything as far as Matt was concerned. They wouldn’t see each other for months, and he was definitely not going to stop sleeping with Jennifer. But what Ellie didn’t know wouldn’t hurt her.
The only actual change was that he’d probably spend more time talking to her on the phone for the next few months, which was also fine as far as he was concerned. Talking to Ellie was always fun. She did mention that her mom would sneakily listen in on calls sometimes though. That made total sense – Matt knew his aunt Lindsey was the type to hatch schemes and skulk and would absolutely secretly listen in on her daughter’s phone calls. And if that happened, one of them would eventually say something that might tip her off that their relationship was now sexual. Maybe he should think of some other way to talk to her.
But he’d figure that out later. Right now he just had to pee.
Matt reached the stairs and started climbing carefully. He was taking slow, deliberate steps to avoid making any noise, just like Jennifer had the previous night. He was as familiar with the house as she was, and he had the added bonus of weighing a third as much as Jennifer, so even if he did accidentally step on one of those squeaky floorboards it wouldn’t make too much noise.
But he avoided them all, and before long he was at the top of the staircase looking down the dark hallway. The door to his bedroom was the first on the left. A few measured steps and he was at the doorway.
His door was closed. He hoped it wasn’t locked, but that was unlikely since Bob was the last one to use it. Slowly, carefully, he turned the knob. It was unlocked. He turned it all the way to the right, smoothly, silently, until he couldn’t turn it any more.
Matt opened his door only an inch, just a crack to peer inside his room. He put his eye to the sliver. Whether it was the faint black-purple hint of twilight casting the smallest amount of light into the room, the reflection of a street lamp or even the dim glow of the moon, he couldn’t say, but there was just enough light coming from the window for Matt to see inside.
There was a lump under the covers on the left side of his bed. That would be his aunt Lindsey, of course. Matt waited for a few seconds, looking and listening for any indication that she might be awake. All he could hear was her gentle breathing, and there wasn’t enough light for him to see much beyond rough shapes.
Matt furrowed his brow, suddenly disappointed in himself. What did it matter if she was asleep? It was his room! He was just going to the bathroom! There was no reason to sneak around like this beyond the common courtesy of trying not to wake up his aunt.
Still, what had happened between him and his aunt over the past few days was cause enough for pause. With all the fun he’d been having with Ellie it seemed almost like a dream, but it was definitely real. She had seduced him, she had forced him to have sex with her, and later they’d had sex again under more amicable circumstances.
As Matt crept silently past the foot of his bed and finally made it to his bathroom this was all fresh on his mind, along with what his aunt’s reaction would be if she knew he had taken her daughter’s virginity on the same day they had sex. The question of why his aunt would seduce him never entered Matt’s train of thought. After all, if Jennifer was to be believed he had the biggest cock around, so of course his aunt wanted it. Mares were, as he had learned in the past few months, a lot hornier than he was led to believe earlier in his life. They all wanted dick, they wanted it constantly, and he had it to give to them. What else was there to figure out?
Carefully and quietly Matt slipped into the pitch-dark bathroom and closed the door behind him with the utmost care. Finally he could pee. He squinted and winced when he turned on the light, eyes adjusted to the sudden flood of light.
There was a slight problem, though it was one Matt was well-acquainted with. Like every morning, he woke up with a boner. His 14-inch horse cock was pinned against his thigh by his pants, the end of it down at his knee. This situation was made worse by him thinking about the past couple days, both with his cousin and his aunt. There was also the fact that both mares had been in heat for the entire duration of their visit and now the entire house with swimming with their pheromones. Matt was unaware of this. He was also unaware that he had already impregnated them both, but this was beside the point. He just had to pee, and peeing with a raging hard-on was always uncomfortable.
Matt dropped his pants down to his ankles to free his oversize cock. He lifted the toilet seat and, like aiming a cannon, directed it towards the bowl. He was short enough, his cock long enough and the toilet big enough (the largest size available, marketed to Shires and other extra large horse breeds) that the tip was actually past the rim of the toilet, nearly dipping into the water itself.
Peeing with an erection is hard, especially when it has to travel through 14 inches of constricted tubing. Matt knew that the only way to do it was in short, high-pressure bursts. Nothing could be done for it though, so he got to it.
The first burst was a lot louder than he was expecting as the high-pressure stream of piss splashed into the water. Was it loud enough to wake his aunt? His sister? Maybe. So he stopped before doing it again, trying to think of a way to minimize the noise.
The answer was simple. But it was a little gross. It was like a garden hose; if the water is being sprayed into a bucket it’s loud, but if you put the hose in the bucket and under the water it’s silent. Still… did he really want to dip his dick in toilet water?
He tried another burst, thinking he might be able to augment it to not be as forceful and, thereby, not as loud. But he was unsuccessful. If anything this time it was even louder.
Whatever, he thought. The water is clear, it looks clean enough, it’s probably fine. Besides, he could wash his dick off with tons of soap in the sink, so no big deal.
Matt bent his knees. His hips lowered, and with it his dick. Only the tip needed to be submerged so he didn’t even have to bend his knees much at all. Just the tip.
He tried not to think about it as the tip of his unflared horse cock dipped into the water. It was colder than he was expecting. Whatever, it’s done now, he thought. Dick’s in toilet water. Let’s make it quick. So he let off another burst of pee through his rock-hard shaft. Another. Another. Another. He could see the clear water in the bowl turning yellow as he emptied his bladder. But most importantly of all, it didn’t make any noise.
After more than a dozen straining bursts he was finally done. He realized now that he still had to flush the toilet, which would also be pretty loud. Kind of a big oversight, he found himself thinking, shaking his head. Still, it had to be done. And flushing the toilet was actually significantly quieter than blasting a dozen super-soaker-like shots into the bowl. So he depressed the handle and flushed.
Matt went to the sink while the piss-water was still spinning in the toilet bowl. He turned the knob so that only a small amount of water flowed from the faucet so as not to make unnecessary noise. He squirted some soft soap from the dispenser and coated the tip of his penis.
Matt started washing it, kneading it to build up lather. But as he did he could feel something else. This motion, necessary as it was to clean it after a dunk in toilet water, was almost identical to the way he would masturbate when he was trying to cum as quickly as possible. In just a few seconds he could feel himself on the verge of cumming. He was just trying to wash his cock, but he was inadvertently edging himself.
He backed off, running the tip under cold water. Think non-horny thoughts, he told himself. Don’t think about Ellie. Don’t think about Jennifer. Don’t think about his aunt Lindsey laying in bed on the other side of the door. Think about algebra. Think about playing Space Fox 64.
He tried to lather up again. It occurred to him that Space Fox 64 had a really hot blue fox character. It was all going wrong! So he ran his cock under cold water again.
Matt went through this cycle a couple more times until he was satisfied that his cock, after being dipped in toilet water, was sufficiently clean. Still, all that hands-on attention to his cock was having an effect. As he pulled up his plaid pajama pants and flicked the bathroom light switch off, he was feeling incredibly horny. He didn’t have to pee any more, but his cock was as hard as it could possibly be. He really, really needed to fuck. With everyone in his house about to wake up and start the day he knew Ellie wasn’t an option. He would have sex that night with Jennifer – that was guaranteed given how horny she was sure to be after several days without getting laid – but that was a long time to wait. There was no relief in sight.
Unless…
It clicked for him as he pushed the bathroom door open just a bit. More of an epiphany, really, a sudden understanding. Through the small gap he could see the outline of his aunt under the covers of his bed, just a little more clearly than before as the sun would be rising soon. His bed. His covers. And after a couple days ago, his mare.
Matt pushed the door open silently, then stepped into his room. He didn’t go to the bedroom door, back into the hallway. Instead, he dropped down. His cock sprung up like the branch of a tree, throbbing hard and now dripping with precum after his accidental edging over the sink and the omnipresent scent of mare in heat. Just as quickly he pulled his shirt off, letting it drop on top of his pajama pants in a pile on the floor.
His aunt was still asleep. Matt was now, after taking a few steps, standing next to the bed on the empty side where Bob had slept the previous night. Without any hesitation or doubt Matt lifted the covers and slid under them.
The rustling and jostling on the other side of the bed woke Lindsey up. The 32-year-old mare, who always slept naked, now felt a hand on her left breast, then her right. Through the short-lived transitional fog of being woken up unexpectedly, she realized she was being groped.
“Bob… Bob, stop…” she said almost in a whisper.
But ‘Bob’ didn’t stop. She felt him sidling up to her, then his body press against hers.
“Bob… Bob stop it… what’s gotten into you?” She said more forcefully. This was not at all like her husband. They only ever had sex at night, and it was her initiating it almost every time. For her husband to spontaneously feel her up like this in the morning was so uncharacteristic that, even seconds after being awoken, she knew something wasn’t right.
She started to push him away, shoving on his arm and stomach. Something was wrong. He seemed very light. His arms were small, thin. His stomach… Bob had a gut, but whoever this was did not. She pushed harder. No, this definitely wasn’t Bob. Whoever this was was only about half his weight.
She grabbed hold of her assailants arms with both hands. But she felt something else pressing against her stomach. It was like another arm. But if she was holding onto both of them, that could only mean…
“Matt??!!” she exclaimed.
“Aunt Lindsey! I…” Matt started.
“What are you doing?” Lindsey interrupted.
“I couldn’t stop thinking about the other day, and…”
“Where’s Bob?” she interrupted again.
“What? Oh, he’s in the kitchen, I think he’s…”
“What are you doing?” Lindsey demanded, again interrupting her nephew. She had been sound asleep just twenty seconds ago and her brain was racing.
“I just… I couldn’t stop thinking about the other day! You’re so pretty Aunt Lindsey, and it felt so good…” Matt said.
This was, for lack of a better term, an act. With Ellie, he’d pretended he was losing his virginity with her and experiencing things for the first time. He flattered her, and whenever he did she melted like butter in his hands. If that worked for Ellie, he figured it would probably work for her mom, too. Yes, she knew he and Jennifer had been having sex, but acting more naive than he was about sex was worth a shot.
For her part, Lindsey saw right through her horny little nephew’s ploy. But now she was wide awake and the gears in her mind were turning. Bob was busy in the kitchen and, if she knew him, he’d be there for some time to come. Having sex with Matt would still be risky, of course, but this was another opportunity for her to make sure she achieved her overarching plan: to get pregnant by her nephew and have her husband believe the foal was his. She didn’t know that plan had already succeeded – he’d knocked her up the first time they had sex between the dumpsters behind the big box retail store. All she knew was that he’d creampied her twice. A third time would be good insurance.
Besides, her little nephew’s plan was so clumsily transparent and obvious that it was almost adorable. Almost. Just like him.
And then there was that cock of his. She didn’t want to admit it to herself – she couldn’t – but after experiencing that monster she’d never be satisfied with her husband again. Bob just couldn’t measure up.
“Shh…” was all she said to Matt. He would have tried to awkwardly seduce her if she gave him the chance, and Lindsey would have played along to make him think he was an irresistible charmer, but she didn’t want to waste any time. She couldn’t afford to. Every second Matt was in bed with her was another second that Bob could unexpectedly return and catch them in the act. She had to act with the singular goal of getting her nephew to cum inside as quickly as possible.
Matt felt his aunt’s hands grab onto his arms. Seconds ago she had been pushing him away, but now she pulled him on top of her with startling strength. That wasn’t what surprised him the most, though. What surprised him the most was that she was already naked. He’d expected that he’d have to work at getting her out of her clothes, but apparently she slept without any. And, almost as apparently, she wanted him even more than he wanted her.
Before he knew it his aunt Lindsey had positioned him on top of her, his legs straddling her body with his huge cock laying flay on her bare stomach. In the dim light, with his head nestled between his aunt’s small breasts he could see her looking at him with an almost predatory intensity.
“Aunt Lindsey…” he managed to squeak, but before he could get any more words out she she had pulled his face to hers and they were kissing.
This wasn’t the romantic, passionate type of kissing he enjoyed with Ellie. With his aunt it was an intense, hungry, almost aggressive action. She shoved her whole tongue into his mouth like she was conquering new territory, her lips almost gripped onto his mouth like she wanted to eat his face.
With the same acute intensity Matt felt her hands let go of his arms and slide around his midsection. With both hands she gripped his cock with firm determination and immediately began stroking up and down, up and down his length.
Ellie may have had exuberance and youthful enthusiasm, but Matt’s aunt Lindsey definitely had experience on her side. She was so skillful that she made a handjob feel almost like his dick was already in her pussy. Without thinking Matt started thrusting his hips, humping into her hands.
Lindsey jutted her head up a few inches, then broke the kiss to put some distance between their faces.
“That feel good? You like that?” she whispered to her nephew. His shaft was in her hands but the tip of his penis was dribbling precum between her small, A-cup breasts.
“Y-yes…” Matt answered, even though the question had been more rhetorical. Lindsey rolled with it anyway.
“Yeah? I’ve got something that feels a whole lot better than that, sweetie. You want to feel really good? You want to put it in my cookie?” she said softly.
Matt didn’t answer. Instead Lindsey felt him try to wiggle backwards under the sheets to get into position. That was enough of an answer for her.
She let his shaft slide smoothly out of her hands, leaving them coated with the clear slime. Like a slug it left a smear across her chest and belly as her nephew awkwardly shuffled away from her, deeper under the covers.
“Is it…” Matt started.
“Safe?” Lindsey interrupted, having already anticipated the question. “Absolutely. One-hundred percent, today is a totally safe day. So when you have to sperm make sure you let it all out inside me, okay?”
Matt nodded his head and continued his backwards slide. He didn’t think about why his aunt had told him to ‘make sure’ he came inside her rather than just telling him it was fine if he did.
He was still thinking about last night, how it had been after midnight when he came inside Ellie. He was pretty sure there that kind of thing didn’t work on a strict timetable, such that it was safe for him to creampie Ellie at 11:59 but when the clock struck midnight all bets were off. However, his knowledge of mare reproductive cycles was so flawed and incomplete that he wasn’t absolutely confident. Lindsey’s reassurance that today was for sure a ‘safe day’ put his mind at ease. Now he could fuck his aunt with peace of mind.
“That’s it, just like that. Good boy…” Lindsey said, encouraging her nephew like she was praising a golden retriever. “Put it in there. Right were it belongs…”
Her nephew finally scooted far enough down her body so that he was aligned properly. Matt’s cock was so large and cumbersome that this was always a logistical challenge in itself, but with his head on her chest and his knees down near her hooves with his entire body deep under the warm sheets of his bed he was ready. Lindsey wrapped her fingers around the bulbous but unflared tip of his penis. On instinct his hips bucked, and Lindsey had to wrestle the dripping shaft back to her eagerly waiting, winking pussy.
“Come on…” she whispered to herself. Her little nephew’s hips were thrusting and his cockhead poking wildly, probing for any crevice to bury itself into.
Finally, aided by Lindsey’s skilled hands and after a few missed pokes, the dimpled horse cock-head found purchase and hit its mark.
“That’s it, right there, that… oohhhh…” she moaned as her puffy black pussy lips parted for her mate – her true mate, not her husband but the stallion that was the true father of her foal.
Inch after inch of his burning-hot shaft slid into her, smooth as silk thanks to the glut of lubricating precum it had been dripping since he climbed on top of her and aided by her own wetness. Matt felt his aunt’s warmth and tightness enveloping his cock as he pushed further and further.
“Mmmm, yess… that’s it…” Lindsey whispered after the initial shock of the biggest cock she’d ever seen entering her for the third time. The experience was so unlike how it felt when she had sex with Bob that it was almost incomparable.
Her hands left Matt’s shaft as it sunk deeper inside her, gliding around his body and onto his slim butt. The rod inside her was all stallion, but there was no mistaking as she gripped tightly onto her nephew’s little tush that her partner was so much younger, just a colt in every way but one.
Matt felt his aunt gripping his butt tightly. He started humping slowly, gently. When his hips moved forward she pulled him into her, and when he retreated for another push she relented.
“Nnhh…” Matt grunted softly.
“Does it feel good, sweetie? Does my cookie feel good?” Lindsey whispered to the 14-year-old colt.
“Y-yes… Aunt Lindsey…” Matt answered roughly. He was starting to breathe more heavily.
“Good… I want to make you feel good, Matt. And the best way you can show me I did a good job is to let all your sperm out in my cookie. That makes me feel good,” Lindsey whispered, trying to encourage her nephew to cum as fast as possible. “Can you do that for me Matt? Can you let all your sperm out inside my cookie?”
Lindsey didn’t hear a response from Matt. He just kept humping her methodically at the same pace as she clenched onto his butt cheeks.
“Let it out, Matt. Let all your sperm out inside me, as quick as you can. It will feel so good…”
Despite her coaxing, her diminutive partner was not quickening his pace, and Lindsey felt no indication that he was anywhere near climax.
“Are you close?”
“No… Aunt Lindsey, I…” Matt said weakly before his aggressively assertive aunt cut him off again.
“Hurry up!” she demanded with growing impatience.
Matt felt her grip tighter onto his butt cheeks. She pulled him into her as deep as he could go. His aunt Lindsey may not have had the sheer bulk of his sister, but all the time she spent in the gym really paid off. Aunt Lindsey was a lot stronger than she looked. If she wanted to keep Matt pinned to her, there was little he could do.
This wasn’t too concerning for Matt; he had long ago made peace with the fact that all the mares in his life were far stronger than him. But now she wasn’t just pulling him in when he thrust forward. She was now actively pushing as well, effectively treating him like a sex toy that she was manually operating.
“Aunt Lindsey… that’s not helping,” Matt protested weakly.
“Just… just finish. Inside me…” Lindsey responded, ignoring the complaints from her nephew and seemingly unable to realize that treating Matt like a dildo was not the fastest way to make him cum.
For another few seconds Lindsey continued, almost shaking her nephew’s hips like a jug of orange juice at this point. But to her surprise she could feel that, if anything, her violent rattling and desperate attempt to make Matt cum faster was having the opposite effect. Was he… yes, he was, she realized. His dick was actually starting to go soft inside her. She was being too forceful.
“Dang it, Matt!” She found herself exclaiming in her own brand of self-censoring exasperation, as if it were his fault and not hers for being overzealous.
“What did I… hey!” Matt said, his eyes widening as his aunt easily lifted him completely off her. With a pop his long, leathery horse cock was ejected from Lindsey’s slick pussy. She rolled quickly to her left, letting him drop down onto the bed on his side, and just as rapidly she rolled on top of him, keeping her right arm up to prevent the bed sheet and covers they were under from rolling with them.
Matt now found his aunt on top of him, straddling his body. They both knew what was next, and she wasted no time; the eviction of Matt’s veiny 14-inch shaft from her puffy equine pussy was only temporary. She again grabbed onto the tip while lifting her hips up off her smaller mate, her butt and lifted tail pushing against the bottom of the sheet and blanket covering them both. She expertly maneuvered Matt’s cock back between her legs and, unceremoniously and abruptly, she lowered herself back onto it.
“Hhhnnnh…” she exhaled as her nephew’s cock disappeared into her again, her pussy lips parting and eagerly accepting what her body recognized as her mate. The fact that each new time Matt’s cock entered her, it constituted a new act of adultery, a fresh instance of betraying the husband she loved dearly and who sacrificed so much for her and a daughter that wasn’t even his – that no longer registered with Lindsey.
She didn’t even feel bad about cheating on her husband any more. If he never found out, there wasn’t even anything to feel bad about in the first place, right? This was the best outcome for everyone, she had convinced herself to believe. Whether or not Bob was the father was irrelevant. He would be the dad for the foal now growing inside her, even if her 14-yeor-old nephew was the father.
These were the things she told herself to justify what she was doing. But the overriding factor, the one that she would never admit but that her body placed top priority on, was a lot simpler. This cock – her nephew’s massive, beautiful, gorgeous cock that she was riding on again – was just too good. She became Matt’s mare the moment it entered her for the first time.
But still, she had a lot to lose if Bob ever discovered the truth. If he ever found out that she cheated on him, that the foal wasn’t his, that it was the product of incest and the father wasn’t even in high school… that might complicate things. So even if Lindsey no longer regretted or felt remorseful for any of it, she still had to keep it hidden. That was why she was staying so quiet, that was why she took all the precautions, that was why even now, bouncing on Matt’s dick, she made sure that she remained completely under the bed sheets and blanket.
“Are you close?” she asked Matt. Her head was next to his now on the pillow, her body draped onto him like a blanket as she gyrated her hips. He was hard again, fully, so she hoped it wouldn’t be much longer. His little hands were on her hips and he was bucking up into her eagerly.
“Closer…” was Matt’s reply.
Lindsey squinted, her lips pursed, though with her head next to Matt’s he wasn’t able to see her annoyed expression. Every second this went on this risk continued to rise. Did Matt even realize that?
“Just keep going like this and… nnh… and I’ll cum soon,” he informed his aunt. Fair enough, she thought. With all the cardio work she put in at the gym, keeping this pace was easy. All she had to do was keep riding this oversized, underaged dick and she’d get that third insurance creampie. This was wholly unnecessary, since she was already pregnant from Matt, but she didn’t know that.
“S-sorry. I meant I’ll ‘sperm’ soon,” she heard Matt say.
“Fine. Just hurry,” she said into his ear while rolling her eyes. Yes, she used euphemisms like ‘sperm’ for cum and ‘cookie’ for pussy, but it wasn’t like she didn’t know what the words meant. Matt was cute, but he could be a little dim sometimes, she thought. Hopefully their foal would inherit his better attributes and not his brain. After all, Ellie was going to be a doctor, so this one would need to be something comparable. Something that made a lot of money. Maybe a lawyer? A banker?
What Lindsey didn’t know was that while her mind was wandering about the career prospects of her unborn foal and her body was on autopilot, bouncing on her nephew’s cock and filling the room with the steady sound of the bed creaking and the plap-plap-plap-plap of sex, her worst fear was about to come true. At that moment, her husband was coming up the stairs.
“Dum-dee-doo, wum-ba-dum-dumm…” Bob, ever cheerful, was humming to himself as he flicked the light switch in the upstairs hallways. He walked the few steps from the top of the staircase to Matt’s bedroom door.
Neither Matt or Lindsey saw the light from under the door signaling Bob’s arrival. They couldn’t; Lindsey had her face buried in a pillow and Matt was completely under the bed covers from head to hoof with his aunt on top of him. This fact – that even while they fucked, Lindsey made sure they stayed totally underneath the bedsheets and blankets – was more important than either of them realized.
The door swung open slowly. Bob, under the impression that his wife was still asleep, was trying to keep from waking her. But despite his best efforts, the door creaked loudly and bright light from the hallway flooded into the bedroom.
Lindsey stopped riding her underaged mate’s dick the moment it happened, her eyes widening to the size of her husband’s balls and her body dropping down onto Matt, taking him inside her to the hilt. Her nephew was now something she had to hidden. Thinking that Bob may have seen her bouncing, she jerked her head to the side in an intentionally exaggerated way to make sure her husband knew she was not asleep.
“Oh! Did I wake you? Sorry! I was trying to be quiet, I…” Bob fumbled. His wife was looking back at him over her shoulder with daggers in her eyes, a look that screamed ‘get out this instant.’
And Bob read his wife’s expression perfectly. She was indeed looking at him in a way that shouted ‘get out this instant,’ though not at all for the reason he thought. Understandably, Bob thought she just wanted to get a little extra sleep after being awoken by his clumsy entrance – ‘get out, I want to go back to sleep.’ What the dagger-eyed look was actually conveying was the much more specific ‘get out, you can’t be here right now. I’m busy breeding my nephew. It’s very rude to interrupt your wife while she is mating with her stud. You’re not welcome here, not right now. You need to leave. Come back after he fills me with cum.’
Her words didn’t align with this look, of course.
“It’s fine, I was already awake. What do you want?” She asked trying to remain calm. Matt was trying to stay perfectly still underneath her, but she could hear him breathing, and if she could hear him then Bob might be able to as well.
“Oh! Nothing, I was just going to take a shower. Got the croissants in the oven so I figured I had a few minuted before I had to start…”
“Fine! Yes, good! Go ahead and take a shower, please,” Lindsey said in a way that betrayed her anticipation, much too forceful and eager for the situation.
Bob paused for a moment. He knew his wife well enough to know that something else was going on.
“You okay?” he asked.
“Just fine! Was trying to get a little more sleep before you walked in, so if you could just go ahead and take your shower that’d be nice…” Lindsey said to her husband rather gruffly and dismissively.
But Bob was in no hurry. The way his wife was laying on the bed was a little unusual. She was laying on her stomach, which Bob knew was a position she never slept in. It was hard to tell since she was under the covers and thick blanket, but from the little hill Bob saw on the bed she seemed to be hiking up her butt. And her legs seems to be spread just slightly.
A light bulb went off in his head. Of course! That explained the movement he saw under the covers when he walked in, the way she jerked her head in obvious surprise, the fact that she seemed to want him to leave immediately to get back to what she was doing before he walked in. She was in the middle of something, Bob realized. It was obvious! She was masturbating!
With a sly grin on his face Bob ambled over to the foot of the bed. He placed one knee down on it, then the other, and shuffled up towards Lindsey, straddling her legs. He noticed that she pulled them together as soon as he put his knee down, which was good because he wasn’t very flexible.
“What are you doing?!” Lindsey yelped, almost in panic. Underneath her Matt was holding his breath, frozen in fear. His cock – all 14 inches of it – was still buried inside his aunt. When she slammed her legs together her internal grip on his penis became like a vice, so any change in position on his part was out of the question.
“Just admiring your derriere, oh beautiful wife of mine. You’ve got it lifted up like you want a good smack!” he joked, slowly and ungracefully ambling on his knees further up the bed until his hips were almost touching Lindsey’s raised butt.
“I do not want a smack. I want to sleep. Go away. Go take your shower…” she said, unable to think of anything else. ‘Go away honey, I’m busy being bred and you’re not welcome in our bed right now. Come back after Matt’s sired a foal in me’ probably wouldn’t have been the best alternative.
“No smacks? I think you deserve a few for what you’re hiding under those blankets…” Bob said.
Icy fear gripped both Lindsey and the little colt she had pinned underneath her.
“I’m not hiding anything!” she yelped. She couldn’t have sounded more guilty if she tried.
“You’ve never been a good liar! I know what’s going on under those covers!” Bob said.
It was still dark in the bedroom, just a thin pencil of light shining in from the hallway, so neither Bob nor Lindsey could see each others’ faces clearly. If Bob could see the expression on his wife’s face, he would be able to recognize abject terror. If she could see his, she would be able to see his mischievous smile and tell he was joking with her. But they were each in their own little world based on what they thought was happening.
“Well, one of two things going on under the covers. Option one,” Bob said, “is that you’ve somehow found yourself a pint-sized, hot-blooded stallion lover and are hiding him underneath you. You naughty little minx, you sly fox! Where would you even find a stud like that?”
Matt couldn’t move a muscle. His mouth was dry, he was subconsciously holding his breath. He couldn’t feel his left hand because his aunt Lindsey was gripping his wrist so tight it was cutting off circulation. Every muscle in her body was tensed – her pussy was gripping his cock just as hard and he could feel the ridged, firm muscles of her abs on his own soft belly.
“Option two,” Bob continued with a chuckle, “which I think is a heckin’-heck of a lot more likely, is that you were…”
He paused for dramatic effect.
“Masturbating!!” he exclaimed. “Flickin’ the bean, shuckin’ the oyster, hittin’ the kitten!!”
“Bob…” Lindsey started without a clear destination.
“Oh, don’t deny it. Nothing to be ashamed of! You don’t have to…” Bob said, pausing again for dramatic effect, “beat around the bush!”
He started laughing. Lindsey was able to gather her thoughts enough to figure out the situation. He had seen her bouncing on Matt’s cock, but he misinterpreted it as an especially vigorous masturbation session.
Fine. Not ideal, but fine, Lindsey thought. That’s the best way out of this situation now. Just roll with it.
“Okay, okay. You caught me. I was… masturbating,” Lindsey said.
“Rubbin’ the nubbin’! I knew it!” Bob declared with satisfaction.
He shuffled further up the bed until his hips were on Lindsey’s raised butt and put both hands on her flanks. Just inches below, concealed by blankets and his wife, was Matt, still balls deep in his wife.
“You know, you don’t have to jill-off if you’re feeling horny. I can help you with that. It’s kind of what husbands are for.”
Shit, Lindsey thought. There was no way she could allow him into bed. She had to deflect.
“Go take your shower first,” she said.
“Well I might need another shower after we do it so… two birds, one stone?” He said. He was rubbing her butt now, unaware of what was so close to his hands.
“Shower first, then sex,” Lindsey said as sternly as she could given the circumstances.
“I’ll make it quick,” Bob offered.
“Wow, quick sex. So tempting,” Lindsey said sarcastically. “You smell like bacon grease and sausage. Go take a shower.”
“Fine…” Bob said, pushing himself up from behind his wife and stepping off the bed towards the shower. He knew better than to press the issue with his wife when it came to sex. “But it’s gonna be a quick shower. And I can’t guarantee I’ll get rid of the sausage smell. You might have to take a look at it for me!”
Lindsey rolled her eyes.
“Go take your shower…” she said.
“Okee dokee. Be right back, don’t get off without me!”
And with that quip, Matt’s uncle Bob walked into the bathroom and closed the door behind him.
Matt started to move, but Lindsey tightened her grip on his wrist even more.
“Not yet you idiot!” She whispered hoarsely. “Wait until he turns on the water!”
She was right, of course. It was the same way Matt knew his sister was taking a shower way back when he would peep on her from the space under the door, back when sex was still just a fantasy. If you could hear the water, they were in the shower and you were safe.
A moment passed, and both aunt and nephew remained silent and motionless. Then, they finally heard the water start flowing in the shower on the other side of the bathroom door.
Lindsey wasted no time. She’d considered whether to abort this entire session, kick Matt out of his own room. He’d already creampied her twice in the past few days. She was in the most fertile period of her heat. Surely that was enough to guarantee pregnancy? Probably. But one more never hurt, and after today – after right now – would she ever have another chance? Not for at least 6 months, the next time they visited.
Damn it, why not. He’s already hilted inside you. If you’re going to do it, you have to do it now. There’s no time to lose.
Without easing into it, as if she had never stopped, Lindsey started bouncing up and down again on Matt’s cock. He was going to cum, by god. She would make him.
“Aunt Lindsey, that’s…” Matt started.
“Zip it! We don’t have time! Bob could get out of the shower any minute! Hurry up and finish in me!”
“Aunt Lindsey, wait! I can cum faster if I am on top!” Matt managed to blurt out without his aunt cutting him off.
She stopped bouncing momentarily, the gears turning in her head.
“Fine, whatever works. Just do it…” She said. At the same time she grabbed Matt in a bear hug and rolled over on her back, taking him with her without requiring him to pull out. Suddenly Matt found himself on top of his aunt, missionary position.
“Well? What are you waiting for? You gonna start humping or what?” Lindsey demanded.
But Matt was having none of it. He hadn’t worked all the pieces out yet, chiefly why his aunt wanted him to cum inside her so desperately. But what he had figured out from the marital exchange he had just interloped upon was that there was something he was able to offer to his aunt that Bob simply was incapable of. And he thought he knew what it was. What else could it be? It was his dick, the 14-inch behemoth that had already ensnared his sister and his cousin.
He wasn’t right, of course, but he wasn’t completely wrong either. What Lindsey wanted when all this started was his cum, nothing else. And even now, that was what she told herself she wanted, just that and nothing more. She was convinced that it was as simple as that.
But whether she would admit it or not, something changed in her the last time they had sex. Matt was offering her something her husband couldn’t provide, and now that she’d had it she would never be satisfied with Bob again. Whether she accepted it or believed it was irrelevant; it was simply the truth, and she would have realized it sooner or later on her own. But it was Matt’s intention for her to realize it right here, right now.
Slowly, gently, sensually he started trusting his hips, almost teasing his aunt with how slowly his thick black horse cock was sliding in and out of her.
“You feel so good, Aunt Lindsey… you’re so beautiful…” Matt said in a way he meant to be seductive.
“Tch…” was the dismissive noise she made, turning her head to one side to convey she was not receptive to Matt’s compliments. “If it helps you to finish, fine…”
“No, I mean it. You’re the most beautiful mare I’ve ever seen,” he said, rocking his hips. He was looking at her face but she was still looking away. Her single-minded focus on making Matt cum was still there, but something else was happening.
“Flattery won’t work. Just hurry up…” She said without conviction. Another thing she would never admit was that flattery did work very well on her, in no small part because her husband barely ever gave her the kind of compliments she liked to hear.
“I’m serious,” Matt said. He lifted his upper body up off his aunts, putting some space between their chests and stomachs while continuing to slow fuck her. “Your body is so… your stomach is incredible. I can’t imagine how much work it must take...”
She felt her nephew’s little hands on her tight, toned stomach. He let his hands slide over the defined, muscular ridges.
Lindsey’s head was still turned to the side. She liked to think of herself as headstrong, confident, unmoved by adulation, but the reality was the total opposite. Deep down her ego demanded recognition of all the hard work she did to maintain her body, all the clever thoughts she had and skillful manipulation of those around her to make things go her way. Deep down Lindsey was a narcissist, and like all narcissists her biggest weakness was flattery.
She felt something. A warmth in her cheeks, blushing. A tingle in her stomach as her nephew groped her abs. She did work hard for this body, and Bob never expressed any appreciation for it. Matt fed her ego like her husband didn’t. Matt filled her up like her husband couldn’t.
“It does take a lot of work. Lots of long hours in the gym, almost every day. Most people can’t…” Lindsey said, bragging while trying to sound like she wasn’t.
“I think it’s amazing,” Matt said as his hands traces up her body, over her small boobs, almost flat in this position while laying on her back. Just a few days ago she was swatting his hands away from her boobs, but now she found herself relishing Matt’s touch. Her nephew’s hands went up her neck to her head. Matt started turning her head back up towards him so that she would look him in the eye, and Lindsey let him. “I think you’re amazing…”
The sun outside was rising in earnest, and Matt’s bedroom was getting brighter from the light filtering in from the window. The two shire horses, aunt and nephew, could see each others’ faces clearly now. For a moment they looked into each others eyes. Matt had initiated, but Lindsey took the lead. She closed her eyes, tilted her head up, ran her fingers through the short black hair of Matt’s mane and pulled him to her. Their lips met and they melted into a passionate kiss.
Lindsey’s focus on getting Matt to cum in her as fast as possible seemed like a distant memory. In just a few moments and with just a few flattering words, Matt had been able to bend his aunt into the pliable sex goddess he knew she could be. While their tongues locked and glided past one another, making out like high-schoolers that neither of them were, Matt started pumping his hips both faster and deeper, plunging in and out farther with each thrust. He felt his aunt Lindsey’s hand going down his back and once again finding his butt, gripping onto it tightly. That seemed to be something that really pushed her buttons, having a firm grip on his little butt while he pounded her hard.
After nearly a minute of kissing, Matt lifted his head up and opened his eyes while maintaining the same pace with his hips. The look on his aunt’s face when she opened her eyes was totally different than before. No longer domineering and demanding, her eyes now screamed lust and obedience. It was the same look he had seen many times in her daughter’s eyes, his cousin Ellie who was convinced that someday she would be his wife.
Ellie, at this point, was totally his. She had been effectively enthralled by the 14-inch magic wand he had between his legs. Now, it seemed, his aunt was similarly enchanted.
“You were going to have sex with Bob if I wasn’t here,” he whispered, looking into her eyes.
“He’s my husband…” she said without much conviction, like it was something she was supposed to mention out of obligation.
“But he doesn’t notice how hard you work to get this body,” Matt said, doubling down on what he had identified as a key point for his aunt. He was still undulating his hips, slower now, sensually.
“Not usually,” she said.
“And he doesn’t give you the attention you deserve. He doesn’t appreciate everything you do for him,” Matt said.
“He’s… nnh… he’s busy with work a lot of the time,” Lindsey said in her husband’s defense.
This was a massive understatement. Behind Bob’s cheerful and easy-going demeanor was a very hard-working and competent executive. He was, in fact, one of the highest-ranking directors at a large financial corporation in the city. Lindsey knew that, and she knew that he worked long hours and was able to afford a very nice home for her and Ellie along with pretty much anything else she asked for – including the huge ring on her finger – but she severely underestimated how much money he actually made. On his income he could easily support Lindsey’s entire family, if the need ever arose, along with any number of foals if he and his wife could ever solve their fertility problem.
“That’s no excuse,” Matt said, knowing nothing about the actual responsibilities of adulthood or the difficulty of supporting a family.
“He’s my husband…” she said again with even less conviction than before.
“He can’t give you what you need. I can.”
He was trying hard just to emulate the cheesy lines he’d heard in some of the sappy romance movies his mom watched. The words weren’t his, this definitely wasn’t his personality, but if these were the things he needed to say to get an older mare to fall for him, then he’d try his best to say the words.
“Matt…” Lindsey whispered, her train of thought having no clear destination, eating up the words that Matt was just parroting. Bob was a perfect provider, amazing husband and wonderful dad. But her little nephew was right. Bob couldn’t give her what she needed, not everything. Emotionally, financially, romantically, Bob was her guy. But physically it was Matt. Bob would never be able to satisfy her again, not after she’d experienced Matt. From the first taste of that thick, black, 14-inch horse cock her nephew was packing, there was no going back.
Matt could see whatever mental resistance his aunt had was failing. He still didn’t understand why, but it was clear to him that she had tried to manipulate him into sex a few days ago. Now he was the one calling the shots. He had her daughter fully, Ellie was his in any way he wanted. Now it was his aunt Lindsey’s turn.
He leaned in again to kiss her, a tactical decision given the current circumstances. There was no resistance as their lips made contact again, only compliance and unbridled lust.
After a short moment he broke off the kiss. Still slowly pumping his hips, his horse cock gliding smoothly in and out of his aunt, he
“Tell me what you want, Lindsey,” Matt whispered, intentionally leaving ‘aunt’ out of it and addressing her by only her first name. Another trick he’d learned from third-rate cinema.
“I want your…” she started.
“Yes? You want my what?”
“I want your… your thingy…” Lindsey breathed, her voice transformed totally by lust but still using the childish euphemisms Matt had grown accustomed to from both her and Ellie.
“It’s yours. Any time you want it,” Matt said reassuringly. “How much do you like my cock?”
“S-so much…” she moaned, truthfully.
Matt had started humping faster and faster, working himself up while working up his aunt.
“Yeah? Do you love it?” Matt teased.
“Y-yes, I love it…” Lindsey answered.
“Is it better than Bob’s?”
“Yes… y-yes…” Lindsey exhaled. Her hands gripped tighter onto Matt’s butt as he pounded her harder and harder with each passing second.
“How much better?”
“So much… so much better…”
“And bigger?” Matt asked.
“Oh my god, so much bigger…” Lindsey confirmed.
“Yeah? He’s that small?” Matt said, teasing his aunt.
“Yes… yes, he’s so small. You’re so much bigger. Oh my god. Bob’s got nothing on you,” she said eagerly.
Faster and faster Matt pounded his aunt. Listening for the continued noise of the shower in the bathroom, Lindsey’s vigilance in making sure she was not caught in the act, was forgotten. All that mattered was this little colt with the big cock pumping in and out of her.
Now came the moment for Matt to see how far his aunt was willing to go. He already had her to the point where she was trash-talking and disrespecting her own husband in favor of her young stud. If she was to be his in the same way her daughter was, he had to push the limits.
With his right arm Matt reached back to his right butt cheek, where his aunt was holding on like she was gripping the safety harness on a roller coaster. His hand slid over hers. He slowed his hip thrusts enough to be able to delicately search for the object he was looking for.
“You don’t have to rely on him for this,” Matt said, thrusting to the hilt when he spoke. “You can have it any time. Like I’m your husband. Your secret husband…”
Matt’s little fingers tightened around his aunt’s finger, the one with his aunt’s wedding ring with the huge 3-carat diamond. He was expecting some kind of resistance from her, ranging from muscle tension to outright pushing him off her, but there was none. Smoothly and gently he worked the ring off her finger. And she let him.
“I want your… I want your cock. I want it all the time,” Lindsey moaned, all control and restraint lost. It was the first time Matt had ever heard her use anything other than a kindergarten euphemisms for sex, and that was how he knew that she was now completely under his spell.
“You got it. Any time you want, it’s yours” Matt grunted. He’d sped up again and now each thrust was so forceful that there was an audible slap every time when his immense balls smacked into his aunt’s butt. “You want my cum?”
“Yes… yes!” Lindsey answered without any hesitation. Her exuberance wasn’t from her scheme to get knocked up by Matt, not from her master plan to deceive Bob into thinking the foal was his. Now, her desire for her nephew’s cum was purely carnal, purely animalistic, purely sexual. She didn’t want it for the laundry list of reasons her conniving mind came up with before her Christmas visit to her relatives’ house. She just wanted it. Now.
“Say it!” Matt exclaimed far too loudly to be safe from the potential of Bob hearing it. He clutched her wedding ring tightly with one hand, and with the other he was gripping his aunt’s shoulder just as hard. He was close now, almost at his breaking point, trying to hold off cumming for just a few more seconds until his aunt begged for it. She was close too, charged with a raw sexual energy that her husband was unable to provide.
“I want it!” Lindsey called out obediently.
“You want what?” Matt demanded.
“Your… your cum! I want your cum in me! Cum inside me!!”
With a final determined thrust Matt rammed all 14 inches of his black horse cock into his aunt’s winking pussy.
In one singular moment, both mare and colt, both aunt and nephew climaxed. The bulbous head of Matt’s cock ballooned out to three times its normal size, stretching his aunt from the inside, and at the same time the first mighty, thick fire-hose blast of hot cum erupted out. Instantly, from just the first pulse, Lindsey’s womb was filled with the potent teenage ‘sperm’ she coveted so intensely.
He made no noise of exclamation, but Matt’s eyes squinted, his upper lip curled and, in what was typical for him when he came, his upper teeth bit down onto his lower lip like he was making a protracted ‘ffffff’ sound. It was almost the opposite of his aunt’s face, eyes rolled back, mouth wide open with her long horse tongue lolling off to the side, lost in her own planet of coursing, rolling pleasure.
Even though he was already as deep as he could be in his aunt, Matt thrust again with his second ejaculatory pulse. With Lindsey’s pussy already full, she started stretching from the inside to accommodate more and more cum, sealed in by the huge mushroom-like flare of Matt’s cumming horse cock. Cum washed over the budding clump of cells implanted in Lindsey’s uterine wall, the egg fertilized less than 48 hours ago.
“Ohhhh fuuuuuuck!!” Lindsey moaned. It was only the second time she’d ever used that word in her life, the first being when she told Ellie’s biological father to ‘go fuck himself.’
Matt paid this no mind. He was busy riding out the incestuous orgasmic wave, breeding his aunt and pulsing jet after jet of foal-making cum into her. Another and another, four, five, six pulses, and with each one her womb stretched just a little more. He ran his fingers over her abs and up to her small breasts as the number of ejaculatory spasms hit double digits. He didn’t really appreciate all the hard work and sacrifices his aunt made to achieve this toned look, but he didn’t really care; her body was sexy, that was enough for him.
“Huuuhhnn… uhhhnnnn…” Lindsey moaned, quieter and more subdued as she rode out the weakening surges of bliss radiating throughout her body, emanating from the warm core inside her that was the deepest reaches of her filled, plugged horse pussy. She was still gripping onto Matt’s butt as tight as she could with both hands.
With his final few ejaculatory pulses, Matt stopped squinting and opened his eyes fully again. One hand was still on his aunt’s stomach, but the other was clutching tightly onto the wedding ring he had pried off her finger without any resistance. It was a lot brighter in the room now than it had been just moments ago. Soon little beams of sunlight would shine in through the open window blinds.
Below him, he saw sense and mental clarity returning to his aunt Lindsey after the last waves of her crashing, encompassing orgasm washed over her. In the dim golden light of morning, their eyes met again, and immediately they both leaned in for a post-coital kiss.
Their orgasms had passed, but both Matt and Lindsey were still too caught up in the moment to realize that there was no longer any noise coming from the other side of the bathroom door. The shower was no longer running.
Matt broke off the kiss. Lindsey opened her eyes to see her young lover above her, his eyes shining with lustful, youthful energy and his whole face smiling the same subtle sex-drunk grin she had as well. For a moment they just gazed at one another, reveling in the warmth and the glow as the first ray of sunlight entered through the window.
The moment lasted a few seconds, maybe five – five seconds of perfection shared between aunt and nephew.
It was shattered just as fast.
“Domo arigato, Mr. Roboto, domo! Domo!”
“Oh fuck!” Lindsey burst out, her face changing from joy to terror in an instant. It was the third time she’d ever used that word.
With an almighty shove she pushed Matt off her and off the bed entirely, tossing him to the floor almost effortlessly. There was another loud thop noise as his cock was pulled out of Lindsey, like a wine bottle being uncorked, and like champagne it was followed by an almost explosive deluge, cum spraying all over the sheets.
Matt wasn’t as perturbed by being thrown to the floor as his aunt might have thought he would be. It wasn’t the first time a stronger mare threw him off his own bed, and it wouldn’t be the last. He was mostly just curious what prompted it this time.
“He’s out of the shower! You have to get out!” Lindsey said in the most panicked whisper Matt had ever heard.
Now Matt widened too with the realization that the shower was off. What his aunt knew that he didn’t was that Bob only, and always, started singing Mr. Roboto when he was drying off after a shower. It was a song he never sang at any other time – one of his innumerable quirks. But that meant that it would be less than a minute before that door opened and Bob was in the room with them.
“You’re wondering who I am, secret secret, I’ve got a secret!”
Matt scrambled to his hooves, cum still dripping onto the floor from his cock. It was still hard, the end of it was still flared after being ejected from his mate much sooner than normal. He bolted for the door.
“Matt!” Lindsey called. “Your clothes!”
In his panic Matt almost ran out of his room stark naked. He quickly dashed to the side of his bed, right next to the bathroom door that his uncle would open any second, and grabbed his plaid pajama pants and T-shirt. Almost falling at he pivoted awkwardly, he tried putting one leg into his pants – at which point he did trip and fall on his face onto the floor.
“What are you doing?! Put your clothes on in the hallway! Get out!” Lindsey pleaded. Cum was still dribbling from her pussy; it was all over the bed, the sheets, the pillows, the floor, and her own body. The quantity her nephew could pump out from those huge balls slung underneath his shaft was nothing short of astonishing. There was no way she’d be able to hide it when Bob came back into the bedroom.
With one leg in his pajama pants Matt hopped towards the door. He tripped again, falling to his knees. Almost in disbelief at how clumsy and uncoordinated he was, Lindsey watched with mouth agape as he shuffled, finally, out the door on his knees.
Lindsey had been holding her breath for some time, tensely expecting her husband to burst through the bathroom door at any moment. But now, finally, she could exhale and breathe a sigh of relief.
A few seconds of respite, that was all she got. A few seconds of believing that she’d gotten away with it.
Without warning Matt – not her husband, Matt – burst back into the room through the hallway door.
“Matt! What the… what the fuck are you doing?!!” Lindsey exclaimed, now in full panic. It was now only the fourth time she’d said the word ‘fuck.’
Her nephew hadn’t put his pants back on, he had apparently discarded them entirely in the hallway. His enormous black cock, still mostly hard and more than a foot in length, swung back and forth wildly as he rushed back to the bed. It slapped against his thigh with each lunging step.
When Matt got to the bedside Lindsey was too confused to speak, her eyes expressed not anger but fear. Bob wasn’t singing Mr. Roboto any more, so he had finished drying off. Literally any second he could open the door, and if he did he’d see his naked nephew next to his wife, cum everywhere. There could be no excuse or explanation.
Matt pulled the covers off his aunt, exposing her upper body. For a moment Lindsey thought that perhaps he was just so uncontrollably horny that he was back for round two, damn the consequences. But a moment later the reason for his dangerous return visit was made clear.
Matt grabbed his aunt’s hand and pulled it to him with her palm up. Lindsey felt his other hand, warm and wet and slimy with cum, plop down onto her palm. Within that mess of gooey liquid he delivered into her outstretched hand, in that puddle of cum she held in her palm, there was something hard. Her wedding ring. Drenched in cum.
No sooner had Matt delivered her sperm-soaked ring than he once again bolted for the hallway door. His big dick slapped unavoidably and heavily against his thighs on the way out as he tried to both tip-hoof to remain quiet and rush out as quickly as possible. He looked ridiculous.
Matt almost fell again, tripping over his own hooves as he spun around in the open doorway, stark naked, his dick whipping around and smacking the door frame. For Lindsey it was almost farcical, but with the real prospect of being discovered at any moment she couldn’t see the humor in it. And, as it turned out, her fear that her husband could walk into the room at any moment was well-founded.
The very second Matt closed the hallway door, almost simultaneously, the bathroom door swung open and Bob, wearing a terry-cloth bathrobe, walked into the bedroom.
Lindsey pulled the covers back over her body with an almost violent intensity. She was soaked, the sheets were drenched. Matt might be gone, but the evidence was still all over her body.
“Fresh and clean! Smell those lilacs!” Bob exclaimed loudly as he walked into the room with a grin on his face, oblivious to what he had almost walked in on. He saw the quick motion from his wife covering herself up, but again he misidentified the movement as some part of his wife’s overly rambunctious masturbation session. “So… you ready?”
He let the bathrobe open up. Barely visible under his protruding gut, Lindsey saw that he was erect. His ‘thingy’ was hard, as she would say. And to look at it, it really was a ‘thingy’ compared to what she had just had from her nephew. It was less than half the length, less than half the girth, and his balls were tiny compared to the huge orbs on Matt. Bob had a thingy, Matt had a cock, and she couldn’t go back. That was all there was to it.
Not that she could right now anyway. With the absolute mess under the sheets, there was no way she could let Bob back into the bed. Maybe he was expecting some pre-breakfast sex with his wife, but that would have to wait.
For a moment she tried to think of a clever way to tell him no, but then she remembered all the times in the past that she had turned him down for sex simply because she didn’t feel like it. She didn’t even have to make an excuse, just tell him ‘not right now, honey,’ and he would obediently back down.
She turned over so that she was no longer looking at him, pulling the sheets tighter to her body.
“Not right now, honey. I think I’m going to get a little more sleep. Maybe when we get home tonight,” she said.
Bob grimaced. He had been rock-solid in the shower, eagerly anticipating getting some early morning action.
“But you were…” he started, stopping before he was even cut off by his wife. Raising even the slightest, weakest objection was unusual for him, a testament to how horny he was.
Lindsey glanced back over her shoulder to give him the same ‘you’re not welcome here right now’ look that she gave him when he first walked in from the hallway, when Matt was underneath her and his cock was inside her.
“I said not right now, honey,” she repeated. “I already finished. Without you.”
Bob paused, silent for a moment.
“Oh…” he finally said, the disappointment evident in just a single utterance.
“Go finish cooking breakfast. I’ll be down there in an hour,” Lindsey commanded.
“Umm… well, all right then. Guess I’ll see you down there. I’m making pigs in a blanket, your favorite,” Bob said as cheerfully as he could. He walked over to the other side of the room and got dressed, leaving the bathrobe on the floor. Lindsey watched him silently as he put on his underwear, pants and shirt. Finally, mercifully, he walked to the hallway door.
“Sleep well!” he called to his wife as he shut the door.
Bob made his way down the stairs, back down towards the kitchen to finish cooking breakfast. Sure, he was disappointed, but this wasn’t the first time this had happened. Maybe she’d be open to it tonight after they got home, like she said. Maybe. No worries, he thought, his erection already gone – time to cook breakfast for her and everyone else in the family.
As he made his way through the living room back to the kitchen, he tip-hoofed so as not to awaken his sleeping step-daughter and nephew. They were both still snug under their blankets on their respective couches, Christmas music still playing faintly and lights from the tree still shining as morning sunlight began to trickle through the window. He smiled as he looked at them and as he walked past them and into the kitchen. Such perfect little angels.
Matt opened one eye as he heard his uncle pass by. He had just made it back downstairs and pulled the blanket tight before Bob walked down the stairs. He sighed heavily with relief; he’d gotten away with it. Bob was none the wiser.
Bob started work on the pigs in the blanket, his wife’s favorite, unaware that she’d just been fucked by the ‘perfect little angel’ pretending to be asleep in the living room.
- -
“Hasta la vista, in-laws and outlaws! We had a blast! See you guys again this summer!” Bob called out, waving goodbye from the drivers’ seat of his station wagon. “Or sooner! You guys know you can visit us in the big city any time!”
Matt, Jennifer and their mom waved back, wishing their relatives a safe drive home.
Ellie was looking solely at Matt with melancholy. Six months until she got to see her boyfriend again, that was almost unfathomable!
Lindsey was also looking at Matt, her pint-sized lover and now father of her gestating foal. She tried to think of it clinically – he did his job, and she was almost certain that he had impregnated her after three different sessions. Logically, she should just forget about him and pretend like what happened between them never occurred, that the foal just beginning to grow inside her was Bob’s. But as she looked at him, standing and waving in the driveway, the outline of his shaft was clearly visible running down his leg underneath those pajama pants he always wore. She would never get dick like that from anyone else, certainly not from Bob. She sighed in frustration, thinking the same thing her daughter was: six months until she got to see Matt again. Six months until she got another chance at that dick. Almost unfathomable.
Bob, of course, was oblivious to all that had happened behind his back during this trip. With a smile on his face he backed out of the driveway, put the station wagon in drive and began the long trek back home to the big city. Both his wife and his step-daughter looked back longingly for as long as they could, until the little house disappeared behind them.
“Well, that was fun. Always nice spending time with your sister and the kids,” Bob said to Lindsey, sitting in the passenger seat beside him. She was still looking in the side rear-view window.
“Yeah. Wish we could spend more time with them,” Lindsey said. “Did you have a good time Ellie?”
“I had the best time,” Ellie answered. “I wish they lived closer so we could see them more often.”
“Yeah, me too,” Lindsey said. “Maybe someday.”
“Maybe someday…” Ellie answered wistfully.
“Maaaybe someday!” Bob said in his typical jocular manner. “Our house would be big enough for all of us with space left over if they ever wanted to visit. They wouldn’t even have to sleep on Ellie’s bed. Or the couches in the theater room!”
Ellie turned around back around from her vantage point in the back seat, finally tearing her gaze away from the road that led back to Matt. To her, Bob seemed to be suggesting something that he maybe hadn’t intended.
“So Christmas at our place next year?” Ellie asked.
“Hmm…” Bob said, thinking about it. “Maybe. We’ve got the room for them, no doubt about that.”
This was an understatement. Their house was, effectively, a mansion, with plenty of guest rooms for everyone. There was also a home theater room dedicated solely to watching movies, a playroom with a ping-pong table and a foosball table and even several pinball machines along with Ellie’s video game setup, a pool out back…
“We’ve got room enough for all of them to live with us, honey. We definitely have room for Christmas,” Lindsey said. She meant it as a way to illustrate her point, but in truth they did have enough room for all of them to move in. Call it wishful thinking on Bob’s part, but when he built their house he designed it with the idea of having a lot of foals in mind, so there were plenty of extra bedrooms. Bob was borderline infertile, but he loved kids and always wanted lots of them. Their house reflected this truth.
“I guess it’s settled then. Christmas at our place next year,” Bob said. “And Susan and the kids can just move in with us after that!”
He meant the last part as a joke, but he couldn’t have known how much his life would change between this moment and next Christmas. Unbeknownst to him, on this innocent little Christmas visit to their relatives’ house, both the mares in the car with him, his wife and his step-daughter, had been knocked up by his nephew. There would indeed be foals in their house by next Christmas, and not just from his wife.
- -
Jennifer stayed in the driveway for a while after both Matt and her mom went back inside, even after the station wagon disappeared from sight. Finally, she thought.
Not that she didn’t enjoy spending time with her relatives. She actually had fun with them over their visit, watching movies and playing games and eating her uncle Bob’s world-class cuisine. But all the same, she was ready to see them go. Because as much as she liked it when they visited, their presence kept her away from her great passion in life. Horse cock.
So, after a few moments standing alone in the driveway, Jennifer went back inside.
“Another Christmas in the books,” Jennifer’s mom said to her as the teenage mare shut the front door behind her. “And no big mishaps this year! Usually at least one thing goes haywire. Remember a couple years ago when the turkey got ruined?”
“That was before we got uncle Bob on permanent kitchen duty. Nothing crazy since then,” Jennifer said as she ambled over to the middle of the room. Her mom was standing next to the couch Matt had slept on.
“True, we haven’t had any kitchen disasters since he became our personal chef,” her mom said. “But there was also that time Matt twisted his ankle when the three of you were playing in the yard.”
“That was when we were little kids,” Jennifer said.
“I guess so. Everything going off without a hitch doesn’t seem like the Shire family way though! Guess we should thank our lucky stars,” her mom said.
Probably, Jennifer thought. Especially since there were quite a few ‘hitches’ that she personally witnessed involving her brother and Ellie. At least two anyway, and probably more. How they weren’t caught she didn’t know, as brazen as they were, fucking right in front of everyone during movie night and again right out in the open after everyone went to bed. Imagine if their mom caught Matt and Ellie – that would probably qualify as a ‘big mishap.’ Maybe even things going ‘haywire.’ But now that her relatives were gone that risk was over, all that was left now was some of the mess they undoubtedly left behind…
Jennifer’s heart sank and her eyes went wide. The mess! And her mom was reaching down for Matt’s blanket!
“Let me get that, mom!” Jennifer blurted out, almost pushing her mother out of the way as she wedged herself between her and the couch.
“You sure? I was just going to…”
“It’s fine mom! I need to do some laundry anyway, I can wash the blankets with my clothes,” Jennifer said, trying to keep her voice from cracking. She was almost certain that the other side of either Matt’s blanket or Ellie’s were caked in dried cum.
“Well, far be it from me to turn down free help! That gives me a chance to start taking down Christmas decorations. Thanks sweetie!” her mom said. She gave Jennifer a big hug before leaving the room to get the cardboard boxes that stored the Christmas decorations 11 months out of the year.
Jennifer exhaled. Another lucky break. That little brother of hers was so careless. What was he thinking? If it weren’t for her running interference for him…
She shook her head as she gathered up Matt’s blanket, then Ellie’s. As expected, the underside of both were covered with cum, some dry, some still wet. Kind of gross but, as much as she hated to admit it, kind of hot at the same time. She threw the blankets in the washing machine, ran upstairs to get some of her clothes to mix in, then started it up.
Her mom walked by the laundry room right as Jennifer pressed the start button on the washing machine.
“Where’d Matt run off to?” she asked her mom.
“Probably in his room playing video games. You know how he is,” her mom said.
Yes, I know how he is, Jennifer thought. Time to pay him a visit.
She hadn’t even noticed him when she walked past his door on the way to get her clothes for the wash, but when she went back upstairs she saw that Matt was, indeed, sitting on the edge of his bed with a controller in his hands, playing one of the new games he got for Christmas. His door was open so Jennifer walked in, leaned against the doorframe and waited for him to take his eyes off the television screen and notice her. For almost a minute she waited, but he was so mesmerized with the game he never looked away.
“Ecch-chmmm...”
Jennifer pretended to clear her throat in the doorway hoping to get her brother’s attention. He didn’t even flinch.
“Ecchhhh-CHMMM!”
This time it was loud enough to at least make him aware that she was standing in his doorway.
“Oh, hey Jennifer,” was all he said after glancing at her for maybe half a second.
Jennifer rolled her eyes, though Matt of course didn’t see it. He could become a bit obsessive when he found something he liked. Historically that usually applied just to video games, but she knew that over the past few months he had developed a second obsession: sex.
That would have to wait until tonight, though. As horny as Jennifer was after several days without any action and as much as she wanted to hop onto him and ride him right now, she would have to wait until that night after their mom went to sleep to do anything with her brother. Anything sex-related, anyway. That didn’t mean she couldn’t indulge in his other obsession.
“That your new game?” Jennifer asked, letting herself into his room. Matt scooted over on his bed without being asked and Jennifer sat next to him. She took up most of the real estate on the bed after she sat down with Matt sliding over all the way to the corner. The side she sat down on creaked under her weight.
“One of them,” Matt answered. “Not the one me and you and Ellie and aunt Lindsey were playing. This is Irok: Dinosaur Hunter. It’s a first person shooter. You’re this native guy and you kill dinos with exploding arrows and machine guns and rockets and stuff.”
Jennifer watched the screen for a moment, but there wasn’t any shooting going on. Matt was just running through a cave collecting some kind of power-ups.
“Is it fun?” she asked.
“Yeah it’s pretty good. I think I like Space Fox better but this is cool too. It’s good to mix things up with more than one game.”
Lindsey squinted, pursed her lips and cast a side-eye at her brother. Was he talking about video games, or was he talking about Ellie? Which one of them was Space Fox and which one was Irok?
Nah, Jennifer thought. Matt isn’t that clever, everything with him is surface level. He’s just talking about the video games and there’s nothing to read into.
“Does this one have multiplayer?” Jennifer asked.
“Nuh-uh. Just single player first-person shooter action. It would be cool if it was multiplayer but it’s not,” Matt answered. He seemed to be having fun despite the game’s limited modes.
“Want to play Space Fox with me?” Jennifer asked. She was already looking at Matt, who paused the game and looked at her with genuine surprise.
“Really? You wanna play?” he asked. It was difficult for him to believe she would want to play, given how much she had ragged on video games in the past.
“Yup. It was fun when all four of us were playing. Maybe if I practice I won’t lose to you and Ellie every time next time they come over,” she said.
“All right! But I’m not gonna go easy on you!” Matt beamed as he hopped up to switch the game cartridges.
- -
The rest of the day passed fairly innocuously. Jennifer and Matt spent several hours playing Space Fox in Matt’s room while their mom continued to put away Christmas decorations, clean up around the house and finish her daily crossword puzzle.
Jennifer had to restrain herself from pouncing on Matt several times while they were playing. She had to keep reminding herself that she had to wait until nightfall even though her brother was right here. She could see the outline of his cock in his pants, but Matt was totally unaware of it as usual.
She also had other plans for tonight beyond just sex. She couldn’t get the image of what she saw last night out of her head; her little cousin riding that huge cock right out in the open in the living room, Matt’s cock spasming and pulsating as he recklessly, riskily shot load after load deep into her winking horse pussy. Matt needed to know that she had seen him, for his own good. If he kept taking risks like that he was going to be caught.
Of course, there was the other ‘risky’ aspect of it that she would not touch. After just the two times she personally witnessed Matt cumming inside Ellie, odds were better than not that Matt had knocked up their little cousin. Ellie had been in heat, after all. The smell was unmistakable. But that wasn’t a topic she would broach. The idea of Matt running around wild and getting mares pregnant was exciting to Jennifer in a way she couldn’t explain, but she didn’t want to curtail that. She just wanted to let him know that she knew he was fucking Ellie, that she was totally cool with it, encouraged it even – but that he needed to be more careful when doing it around everyone else. If only he knew how much she covered for him.
“Knock knock…” their mom said from the doorway as Matt and Jennifer played video games.
“Hey mom,” Matt answered.
“Hey there! I’m cleaning up around the house and I was going to wash sheets, can you two hop up for a second?”
“Sure,” Matt said, and both he and Jennifer continued playing standing up while their mom gathered the sheets from off Matt’s bed after Bob and Lindsey had slept there for a few nights.
What Jennifer didn’t know was that the same kind of mess that she encountered underneath the blankets in the living room was also present on Matt’s bed. She knew about Matt and Ellie, but she was still in the dark about the extent of her brother’s sexual endeavors, unaware that he had also been fucking their aunt Lindsey.
Their mom tossed the bedspread off and started peeling the sheets off the bed. Immediately she noticed they were wet. Not just wet, they were soaked. And from the smell she could tell immediately what it was. Cum. Lots and lots of cum.
She acted quickly so as not to subject her sweet and innocent kids to it. Her mind, logically, went to the conclusion that this was Bob’s cum all over her precious son’s bedsheets. How inconsiderate and rude of them, she thought. It’s one thing to have sex in a guest room while visiting relatives – they’re married, not a big deal. But at least have the courtesy to not make a mess everywhere if you do it, and at least try to clean up if you get carried away.
She shook her head, gathering the cum-soaked sheets and quickly heading downstairs to the washing machine.
Though in truth, she shouldn’t be surprised. She knew from conversations with her sister that they had been trying unsuccessfully to have a foal for years. Just as she could smell the cum on the sheets, she had been able to smell her sister’s heat when she visited. It shouldn’t be a surprise that her and Bob would try to get pregnant whenever her cycle came up.
Still, she thought as she was about to put the sheets in the washing machine, they should at least clean up when they’re done. Especially if they are going to do it in her son’s bed. Just look at the mess!
She held the cum-soaked sheets in her hand for a moment before throwing them in the washing machine. The scent was something she had nearly forgotten. How long had it been since she had been with a stallion? Years. Many years. After a few disastrous attempts at dating when Jennifer and Matt were younger, she had kind of stopped trying to find another mate altogether.
She felt no attraction towards Bob; he was her sister’s husband in the first place, and besides, he wasn’t at all the kind of guy she found attractive. But that smell was still intoxicating. Against her better judgment, Susan lifted the dirty sheets up to her nose and inhaled deeply.
A thin smile appeared on her face, her eyelids half-closing. Horse semen, she knew, was almost like a drug to her and many other mares. Not in the traditional sense… addictive in a way more like chocolate cake than a hard drug. Once you have a smell, you want a taste. Once you have a taste, you want the whole damn cake. And Susan was the kind of mare who couldn’t stop once she started. Resisting an indulgence took willpower, which she was woefully lacking. When she was younger, a simple compliment could get a stallion into her bed and between her legs.
But that was a long time ago. There were no stallions to take things further with, none who had expressed interest in her in years. So, despite the fluttering in her stomach, the warmth on her cheeks and the tingling in her loins, she simply tossed the sheets in the wash.
Right after she pressed the cum-stained sheets to her face and inhaled the sweet, addictive scent one last time.
- -
Matt loved the feeling of laying snug under clean sheets, neatly and tightly tucked into his bed. If his mom hadn’t washed his sheets for him, he probably would have just slept with the same sheets his aunt and uncle used, the same ones that were wet from when he and his aunt had sex that morning. He didn’t even think of the possibility that his mom would have noticed the sheets were wet, or that she would be able to instantly identify that it was semen. Everything always seemed to just fall into place for him; even when things went wrong, they ended up all right.
He glanced over to his left at the LED clock radio on the nightstand. 11:15, it said. Almost an hour since they’d gone to bed, which meant Jennifer would likely be creeping into bed with him at any moment.
Matt stretched his legs under the tight, clean sheets. With a smile on his face he breathed in deeply, held for a second and exhaled. The past few days had been really awesome. He’d fucked his aunt three times, he’d fucked his cousin five times, finishing inside on all eight occasions. Now his sister was about to sneak into his room for her turn to get filled, his third mare in 24 hours. He’d also gotten both video games he wanted, had his uncle cook a bunch of delicious meals, saw some good movies, and had all the cleaning and housework taken care of by his mom while he played video games all day. If he’d ever had a better Christmas break, he couldn’t remember it.
He put his hands behind his head, waiting for his sister to open the bathroom door and enter his room. And then, like clockwork, she did.
- -
Jennifer was laying naked on top of her bed, glancing over at the clock every few seconds and tapping her fingers on her stomach. 11:15, displayed in large red LED lights. After several days without sex and being subjected to her brother and her cousin fucking right in front of her, twice, she couldn’t think of anything else.
The self-imposed rule that she and Matt agreed on was that it was best to wait an hour after their mom went to sleep before sneaking into each others’ rooms. That would be in about five minutes. Whatever, she thought. Close enough.
She rolled off her bed with surprising dexterity and grace given her 350 pound, nearly 8-foot tall frame. Quietly, the same way she’d crept through the hallway the night before, she made her way through the pitch-dark bathroom that connected both their rooms.
Without a sound she opened the door. Her eyes, adjusted to the near total darkness, could see her brother laying on the far side of the bed. Normally he’d lift up the covers, inviting her to slide underneath, but this time he didn’t. He just looked at her blankly, with only his head sticking out from underneath the sheets. Sometimes her brother was just impossibly weird, but it was just part of the package.
Jennifer reached down to the covers to pull them back, but then found that they were tucked extremely tightly under the mattress, the bed made like at a hotel.
“Don’t pull the sheets off! I like it when they’re this tight,” Matt whispered to her.
“Well how am I supposed to get underneath them, doofus?” she replied.
Matt hadn’t thought of that. He wanted to have wild sex with his sister and he wanted to sleep under the tight-fitting, freshly cleaned sheets. That these two activities might be mutually exclusive hadn’t occurred to him.
“I dunno…” he answered, offering nothing in the way of a potential remedy.
“Just slide out. We can do it on top of the covers,” Jennifer said.
“I don’t want to get the blanket dirty though,” Matt protested.
“Seriously?! Oh my god. We’ll just do it on the fucking floor if you’re gonna be like that. Gyah…” Jennifer said with almost hoarse exasperation, almost breaking out of a whisper. Her brother was being impossible, as usual. “Now wiggle out of that cocoon you little idiot…”
Jennifer made her way to the other side of the bed, closest to the center of the room. She watched as he tried to push himself out from under the sheets without disrupting them too much. But he was going stupidly slowly, so as soon as he got his arms free and out from under the sheets she simply grabbed on to his wrists and lifted him up and out.
“H-Hey!” Matt protested as she pulled him out like she was a pea being squeezed out of its pod. Like Jennifer, Matt was already naked. She saw he already had a full erection as well. His cock rebounded and slapped against his chest when she pulled him out past his knees.
Almost effortlessly she lifted him up off the bed and in the air, hooves off the ground, until he was at eye level with her. Matt knew that in real terms he was powerless against his sister. Even Ellie was a lot stronger than him and she was his own size, so comparing him to his sister who was two and a half times his weight was like comparing Uncle Bob’s station wagon to an 18-wheeler.
But while he was completely at his sister’s mercy, he had nothing to fear. The days of her picking on him were a distant memory; she had been tamed by the power of his cock. She smiled warmly, holding him up in the air in front of her. Their snouts and noses touched, then their lips.
Jennifer felt butterflies in her stomach as they made out, her brother suspended in the air by his wrists. Or maybe that was the feeling of his hard, hot, 14-inch horse cock rubbing against her belly.
Matt just rolled with it. It was a little emasculating to be held up like this, completely at the mercy of his sister, but it didn’t bother him. Whatever she wanted to do was fine with him, so long as it ended with his cock in her pussy.
Jennifer’s plans did end that way, but she was in no big rush to get there. Yes, it had been several days since she’d enjoyed her brother’s cock, but now that she had it in front of her she had time to savor it.
She broke off the kiss and opened her eyes. She saw Matt do the same and, for a moment, she just looked at him with that horny, happy grin on her face. Matt’s expression was hard to read, but that was fine. He knew what he was in for. Maybe not immediately, but it would end the way he expected.
Jennifer let her brother back down, his hooves finally back on the carpet. But no sooner had she set him down than she gently shoved him back onto the bed so that he was sitting on the edge of the mattress. It took Matt a second to figure out what his sister had in mind, but as soon as she got down on her knees in front of him and put her hands on his knees, he figured it out.
Matt’s sister dove between his legs head-first. She let his cock slide along the right side of her long equine face, then the left, leaving streaks of precum along both sides. She looked up at her brother seductively, opening her mouth and licking down the entire length of Matt’s shaft, from tip to base. Once there, her lips wrapped around one of his enormous balls – as much as she could anyway. These balls, almost impossibly big, had already put a foal inside her, and in all likelihood had impregnated their cousin Ellie as well. She sucked and fondled them casually for a while before retreating, licking Matt’s shaft from the base back to the tip while pulling her head back.
Matt saw that now her gaze was now firmly, obsessively fixed on his cock. She was under his spell again, just like in the past, just like Ellie and his aunt Lindsey. She started casually stroking it with her hand while panting – panting – onto the unflared end of his cock.
“I’ve… missed this… so much…” she whispered, almost to herself. Matt encouraged her by placing his hand on her head, behind one of her long equine ears. Once more the length of Matt’s shaft slid across her face, and then she opened her mouth and wrapped her thick, almost prehensile horse lips around her brother’s cock.
She closed her eyes, but Matt’s remained open. As much as his sister loved cock, she didn’t suck his as often as he would like, maybe only once every dozen or so times they had sex. She seemed to just love getting her box stuffed and filled instead of her mouth.
Comparing the three mares he’d fucked, Matt could weigh the pluses and minuses of each. His sister’s pussy was the biggest, so not as tight as his aunt Lindsey’s muscle-bound snatch and definitely not as tight as Ellie’s little slit, but it still felt amazing. And besides, he didn’t have to worry about slamming too much into Jennifer or going too hard like he did with Ellie. Jennifer could take anything he could throw at her; his whole cock, most of his arm as he had discovered, probably a whole baseball bat, who knew. The sky was the limit with his sister’s pussy.
And then there was Jennifer’s skill at blowjobs. Aunt Lindsey’s oral skills were ok, and Ellie’s were… adorable. She tried her best. But they both lacked the experience his sister had, with the multitude of partners she’d enjoyed over the months and years before she started sleeping with her brother. And now, with her eyes closed and her head bobbing up and down on Matt’s cock, one hand cupping his balls, that skill was on full display.
Matt exhaled loudly as he stroked his sister’s head and ears like he was reinforcing a puppy. This felt really good. His sister had some serious game when it came to blowjobs. It was impressive just how much of his cock she could get into her mouth. Not the whole thing, but an impressive amount, and certainly enough to get him off if she wanted. But that wasn’t how she wanted him to finish, and they both knew it.
With a loud, wet sound that reminded Matt of one of his mom’s Tupperware containers being sealed, Jennifer pulled her head back past the tip of Matt’s cock. She opened her eyes and looked up at him, still stroking him with one hand and holding his balls with the other, still being patted on the head by her brother like an obedient dog.
“Feel good?” She asked with a gleeful smile.
“Feels amazing…” Matt answered, which was true.
Jennifer dove back onto her brother’s cock, opening her mouth and accepting it to the back of her throat once more. The way she twisted her head with each back and forth motion, the way she used her tongue inside her mouth, which Matt could feel but not see… it was all expert-level stuff. Sex with Ellie and Aunt Lindsey had a lot of perks, but neither of them approached Jennifer’s skill at blowjobs.
After another minute or two, Jennifer again slowly retracted her head, sucking on the hot meat shaft the whole way. Once again there was a loud slurping noise as she suckled on the tip of her brother’s cock, sucking all the way to the tip before it slid past her lips. She rested on her knees, almost on all fours to get low enough for her face to be down at Matt’s crotch, on the same level as the bed he was sitting on. Her eyes remained fixated on that horse cock and she continued stroking it slowly and covetously.
“I’ve got something that feels even better…” Jennifer teased.
“Yeah? Where are you hiding it?” Matt asked playfully.
This was another thing he loved about sex with his sister over with Ellie or Lindsey. Jennifer wanted him inside her just as bad, but she was fine with taking her time instead of just rushing into sex. With Ellie, rushing into it was due to eager inexperience, with his aunt Lindsey he chalked it up to just having limited time in the situations they were in. But late at night with Jennifer, in his room or hers, they had all the time in the world.
“I think I left it between my legs. I know I brought it with me… you’re gonna have to help me find it,” Jennifer said mischievously.
“I think I might be able to help,” Matt answered with the same playful energy. “What does it look like?”
“Well… it’s got lips like these,” she said, pulling his hand from her pointed ears to her mouth, letting him feel her, “but thicker. It’s the same color as these…”
Jennifer lifted herself up from all fours and shuffled on her knees a little closer to her seated sibling. Now she directed his little hand to her breasts, specifically her nipples.
“… but only on the outside. On the inside it’s this color…”
Now she guided her brother’s hand up her body, over her neck and to her mouth. She let her big, thick equine tongue loll out, and Matt grabbed onto it like she grabbed onto his dick.
“I never realized your tongue was so big,” Matt said nonchalantly.
“Ith bigh cuth I’h bigh…” Jennifer tried to say as best as she could with her brother’s little fingers wrapped around her loosely hanging tongue.
“Easy for you to say!” Matt said, joking with Jennifer the same way he did with Ellie.
Jennifer started laughing, but because Matt was still holding onto her tongue she made a loud snorting noise. This made them both laugh even harder, and finally Matt let go of his sister’s tongue and it went back into her mouth.
“Shhh, don’t be too loud!” Matt managed to get out while laughing. They were both having fun being silly with their foreplay, but it was easy to get carried away and start making too much noise.
“Oh, so it’s my fault,” Jennifer whispered back. “Maybe you should hold your tongue instead of holding mine!”
Jennifer was especially proud that she had thought that line up on the fly, but Matt didn’t seem to appreciate the quality of her wordplay and instead just moved on.
“Pfft, you’re the one who put my hand in your mouth,” he said.
“I guess so,” she conceded. “Just being silly.”
For a moment she continued idly stroking Matt without speaking.
“All right, enough silliness,” she said. These kinds of games were fun, but it was time for the main event. “You ready to fuck me?”
“In that thing you left between your legs?” Matt said with a faux-naive lilt in his voice.
Jennifer rolled her eyes, something her brother seemed especially good at making her do. Clearly he wasn’t past the silly games stage.
“Yeah yeah, in ‘that thing.’ You know, my pussy? You should be pretty familiar with it…” Jennifer said.
Without another word she let go of her brother’s cock, finally, and started to turn around. But she didn’t get up. Instead she just twisted on her knees 180 degrees so that she was facing directly away from Matt, and her butt was now pointed straight at him.
Matt, still sitting on the edge of the bed with his 14-inch cock rock-hard in front of him, just watched as Jennifer spread her legs for him, scooted back a few inches, and lifted her tail.
His cock twitched at the sight, an involuntary spasm. This was, Matt had often thought, the most beautiful sight in the world. A mare on her knees, butt up and legs apart and tail lifted, offering herself, begging, pleading to be bred. There really wasn’t anything else in the world that compared to it.
But Matt had some experience now, so while it was still just as beautiful it wasn’t as transfixing as it had once been. So while virgin Matt might just stare with jaw agape, now he could take it in with a clear head and a cocky smirk.
“A… pussy? Is that the donut-looking thing under your tail?” He asked facetiously with the same fake naivete as before.
“That’s my tailhole you dweeb!” Jennifer said, turning her head to look back. Matt was happy to see that she was smiling as she looked back at him over her shoulder. “You ever look at your butt in the mirror? You have one too…”
“Ohhhh…” Matt said with pretend surprise, “I guess so. So then this ‘pussy’ of yours must be…”
Jennifer’s hand went between her legs. With her fingers she spread apart the black lips of her pussy, exposing the warm pink within.
“Quit playing around Matt, I wanna do it…” she said. Her butt was wiggling slightly, though Matt couldn’t tell if she was doing it intentionally or not. Her pussy winked, an action that it was also impossible for Matt to say whether it was on purpose or simply a reflex.
Matt reached out for his sister’s pussy, running his thumb over its plump lips and across Jennifer’s slit.
“Is this what they call a ‘snatch?’” he said with mock innocence.
“I think they call it a ‘cookie,’” Jennifer answered. She was both playing along and offering a hint that she knew about him and Ellie, since she habitually called her pussy a ‘cookie,’ but she figured, correctly, that Matt wouldn’t pick up on it. Subtlety was not one of her brother’s strong suits.
“Is this what they call a ‘box?’” Matt continued, letting his thumb slide into his sister. Jennifer exhaled loudly – even though it was just Matt’s thumb it was the first time she had been penetrated in days, and she was horny beyond words at this point.
“I think they call it a ‘muffin,’” Jennifer said, using the other word she knew Ellie used for pussy.
Matt still had his thumb inside her. If his intent was to tease her to the point of breaking, he was doing a good job.
“For fuck’s sake Matt, are you gonna fuck me or what? Quit playing games!”
That was good enough for Matt. In truth, although he was teasing his sister he was just as horny as she was. With that same cocky grin on his face that Jennifer had grown accustomed to he pushed himself up off the side of the bed so that he was standing right behind his sister, on her knees with her butt up and tail lifted.
Jennifer felt his massive cock flop dumbly on her flank, resting for a moment on her right butt cheek. She was so large and her brother so comparatively small that, when she was on her knees and Matt was standing up, their hips lined up well. Matt had to bend his knees a little, but overall it was a lot easier for them to fuck doggy-style when Matt was on his hooves and she was on her knees than if they were both standing or kneeling.
She was still spreading her pussy lips with her hand, as if spreading her lips for Matt was necessary and his cock wasn’t capable of pushing its own way through her door.
“Come on… come on, put it in…” Jennifer whispered to herself. She could feel Matt’s cock sliding down along her butt cheek, the tip leaving a smear of precum in the short fur. Finally she felt the tip on the patch of bare black skin between her tailhole and pussy, jabbing, seeking a hole to envelop it. Even when it had a hand to guide it, her brother’s cock sometimes felt more like a simple-minded animal, dim-wittedly prodding and poking until it found a warm, wet hole to slide into.
Jennifer, in an effort to facilitate that dumb, fat cock and help it find its mark, stopped spreading her pussy lips with her hand. Instead she extended her fingers and placed her palm right under the bulbous ridge of her equine clitoral hood and mons pubis. With her fingers outstretched, this created a kind of ramp for Matt. It was like a loading dock in a warehouse or a feed ramp in a gun; instead of having to find purchase between two fleshy walls, now his cock only had to be channeled into a hole constrained on three sides.
In the short time her fingers were extended – only a few seconds – Jennifer felt the dribbling precum from her brother start to pool in her cupped hand. Then the unflared tip of Matt’s horse cock dipped into the lubricating pool. It pressed down on her hand, but Jennifer held it firm in place so that all Matt had to do was thrust forward to enter her. And then, finally, he did.
“Ohhh, god…” Jennifer moaned as the first four or five inches of her brother’s cock was rammed into her in an instant. Once he was inside, Matt halted for a moment; he was used to the care and restraint he had to show when fucking Ellie, so he had to remember that with Jennifer he could go as fast and hard and deep as he wanted.
Still, he didn’t thrust the remaining ten inches of his shaft into Jennifer at once. Instead he slowly, smoothly slid his cock into his sister. The puddle of precum in Jennifer’s cupped hand coated the underside of Matt’s shaft the whole way, and by the time he was inside her to the hilt the entire reservoir had been used.
“I missed this… so much…” Jennifer breathed. “Now quit being gentle and fuck me. Fuck me for real. Fuck me hard.”
Matt knew the time for games was over. No more puns, no more coy teasing, just pounding his sister from behind as hard as he could without making too much noise. Their mom was asleep just down the hall, after all.
His arms stretched out to grab onto each of his sister’s butt cheeks. Wide... Jennifer’s butt was just so big, it was like he was trying to hug the reclining chair in the living room. Each of her cheeks was bigger than his entire butt. And while Jennifer was moderately athletic, she was so big that there was still enough fat on her butt for Matt to grab onto and squeeze in each hand, like handles for riding a bucking bronco – which wasn’t too far off from the truth.
Quickly, in a sharp motion, Matt pulled his hips back, letting about half the length of his 14-inch cock slide out of his sister’s wet slit. Immediately he slammed his hips forward, thrusting hard into her with an audible plap as he went inside her to the hilt and his hips hit her butt, his balls bounced between her thighs.
“Hnnnh, yess…” Jennifer moaned without looking back at her brother. Her hand went from her pussy to the carpeted floor, her back arched, and she went down on her elbows. Without a word Matt withdrew, then thrust again into his sister.
Now he gripped tighter onto Jennifer’s flank. Her tail lifted higher in the air, curling forward and draping her lower back with hair. Matt drove his cock in and out of his 350-pound sister again and again, harder and harder each time, the only limiting factor being the noise produced as his hips and balls clapped against her backside.
“Oh god, oh goddd…” she wailed before her hand shot to her mouth in an effort to contain her lustful outbursts. Her head lowered even further under her cheek was on the carpet itself, almost hugging the floor while her butt remained high in the air.
Matt developed a steady rhythm, hard and quick, in and out about once a second. He didn’t pull his cock out too far before thrusting back in, withdrawing only 4 or 5 inches each time, the majority of his cock remaining inside his sister. But each time he rammed his shaft back into her he went as far as he could, all 14 inches firmly yet easily accommodated by his giantess of a sibling.
“Oh fuck, fuck, fuck… fuck me, yes, right there, fuck me, fuck me, fuck me…” Matt heard from his sister. She was much more vocal than either Ellie or Lindsey, talking almost the entire time whenever they had sex. Usually what she said and the pacing of her delivery was entirely determined by how fast and hard Matt was going at the moment. Right now, with Matt making quick, deep thrusts, she only had time for short one or two word exclamations of encouragement. When Matt slowed down or they were going at it more sensually, her dirty talk was more likely to be in complete sentences.
Matt let go of Jennifer’s butt with one hand and grabbed onto the base of her tail, wrapping his fingers around it like she did with his cock. He couldn’t keep this pace forever; unlike his aunt Lindsey or cousin Ellie or even his sister, Matt was not at all athletic, so fucking this hard would wear him out in a short amount of time. But he wanted to go out with a bit of a flourish before slowing down.
With a firm tug he pulled up on Jennifer’s tail. At the same time he slammed his hips forward with a thrust as powerful as his little body could muster, sending his unflared cock head more than a foot inside his sister’s warm, wet crevice.
“Fuu-uuuck…” Jennifer hummed, wanting to remain as quiet as possible, combating the urge to cry out as she pawed at the carpet like she was either trying to grip a handful of it or tap-out in a fight. She looked back at her pint-sized lover behind her, balls deep. He was breathing hard, but for the moment he had stopped.
“That all you got?” Jennifer teased, her composure regained. She pushed back into him, which caused Matt to shuffle back on his hooves a few inches. He could ride her hard, he could pull her tail or slap her butt, but Jennifer could always assert herself and take charge if she wanted to. Still, sometimes it was fun to pretend that wasn’t the case.
Instead of answering, Matt started to rock his hips. No longer a hard and fast fucking, the 14-year-old colt was now dipping his cock in and out of Jennifer slowly, methodically, sensually. Less of a piston, more of a rolling motion.
Jennifer grinned lustfully. She was fine with this. She like being fucked hard and fast, she liked being fucked slow and smooth. Pulling her tail was nice, making out was nice, riding cock was nice. Matt being out of breath was cute. She liked sex in all its forms and was able to appreciate it in all its variety.
“Mmmm, it feel better for you that way? You like it slow?” Jennifer said as she looked back at her brother.
“Yeah…” Matt answered without any further elaboration.
“It’s not that riding your sister for two minutes got you winded, right?” Jennifer teased.
“Pfft…” Matt grunted, the only vocal response. As mouthy as Jennifer was during sex, Matt was the exact opposite. He never even made a noise when he came. And that didn’t bother Jennifer at all.
Matt’s hands went back to Jennifer’s flanks. He got back into his groove, rocking his hips with the fluidity of a locomotive engine just starting up. The plapping sound of his hips hitting her butt and his balls slapping against her thighs was replaced with the wet, gloopy sound of his soaked cock plunging in and out of her puffy, winking, dripping wet horse pussy.
Jennifer turned forward again, no longer looking back at Matt and instead just focusing on the feeling of the biggest, thickest cock she’d ever had gliding in and out of her.
“Yeah, that’s it… get it right there… fuck yeah, keep going just like that,” she whispered erotically, half to herself and half to her brother. She did find his little middle-school body cute, but sometimes it was nice just to really fixate on that cock of his, the part of him that was truly special.
Matt could feel his sister start to push back against him in time with his thrusts, accentuating the experience for them both. He thought that she might push him back against the bed, but she didn’t; it was better if they were both working at it instead of her just slamming her butt backwards like she was using a suction-cup mounted dildo in the shower.
“You like it, hmm? You like your sister’s pussy?” Jennifer whispered loud enough for her brother to hear. In Matt’s world his sister was the undisputed queen of dirty talk. “You like putting your big, nasty cock in your sister’s pussy? Yeah? You fuck your own sister? What kind of sicko fucks his own sister?”
She wasn’t expecting Matt to respond – he almost never did – but he surprised her.
“She lets me do it,” he whispered back to her, “and she likes it more than I do.”
Jennifer tried not to chuckle but she couldn’t help herself. Because it was true.
“Mmmm, that right? Show her what you can do. Make her like it. Make your sister cum on your cock, Matty-doo.”
Jennifer intentionally called her brother by the pet name Ellie habitually used. It was a preview of the conversation she would have with him after they were finished, but she couldn’t help but spring something on him a little early. As always, Matt remained dull to it. He was impervious to hints, subtlety or nuance.
The pace of his thrusts didn’t quicken, but Matt started pulling out more with each cyclical hump, letting more than ten inches of his cock glide in and out of his sister at once. The feeling of that slightly ridged, dimpled cock-head of his running up and down the length of her passage was divine, and if he kept it up she knew it would make her cum.
“Nnnnh, yeah… just like that. Keep going just like that. Fuck my pussy. Fuck your sister’s big, bad pussy…”
Matt shook his head and tried not to laugh himself. Sometimes what Jennifer said when they had sex was hot, but sometimes it was just silly. His sister’s pussy was big, that was true, but bad? What did that even mean?
Whatever. This was a good pace and depth for him too, so he could ride it out until he came as well.
“Fuck my pussy. Fuck my pussy. Good, yes, just like that…” Jennifer continued to whisper. She was still facing away from him, but her cheek was no longer on the carpet. She wasn’t looking at anything in particular in the dark room, just focusing on the feeling between her legs. She was on her knees and elbows, the perfect submissive position with her butt high in the air and her brother riding her from behind.
Matt gripped her flanks tightly again, little fists filled with the ample padding on his sister’s butt. He could feel the tingling in the tip of his cock, the telltale signal that if he kept going like this he would cum, and that it wouldn’t take long.
Jennifer felt the same way, the tingling deep inside her and on her large equine clitoris at the same time, that familiar feeling that she loved so much. Each time her brother’s cock glided in and out of her, his dimpled cock head smoothly scraping her from the inside, the climactic pressure built further like the magma chamber in a volcano. Her incessant, incestuous chants changed, urging her brother not just to fuck her but to cum in her.
“Fuck my pussy, yeah, just like that… cum in me, cum in me, cum in my pussy…”
And her little brother had every intention of giving her exactly what she was asking for. The small amount of moonlight filtering in from the half-closed blinds were just enough for him to see clearly. He was staring down only at his sister’s butt, his focus squarely at his cock, slick and shiny in the moonlight, sliding in and out of her needy pussy.
When he was just about to cum he seemed to get like this, a fixation on pussy with an almost serious expression on his face. It was a level of concentration he never exhibited in school. He only occasionally came close when pursuing his other obsession: playing video games. But this newly discovered passion – breeding mares, siring foals – was something different. It had supplanted video games as his great passion and primary purpose in life. And he was damn good at it.
Jennifer felt her brother’s little fingers grip even tighter on her butt. He was humping her wildly now, his fat black balls slapping against her upper thighs loudly and frequently. He was close, she knew from experience. And so was she.
“Come on, yes… yes, just like that…” the words flowed from Jennifer’s mouth without her control or conscious thought. “Fuck me… fuck my pussy… cum in my pussy… cum in me… cum in me…”
Matt, like always, didn’t answer. He was too focused on Jennifer’s pussy to react to her words. He could feel her winking, and in the dim light he could even see her lips squeezing around his shaft. This view, this feeling, this moment right before he came… there was nothing that compared to it.
“Cum in me… cum in me… cum in me…” Jennifer repeated mindlessly over and over and over again.
Matt gritted his teeth, his lips upturning and nose scrunching like he’d just sniffed a bottle of ammonia. His hips thrust forward violently, smashing into his sister’s backside as he buried his cock as deeply into her as he could, every inch enveloped by her warm folds. He pulled her massive butt into him, though given their size difference he was pulling himself more than he was pulling Jennifer. Still, he was so deep in her and her legs spread so wide that her puckered black donut-like tailhole, protruding more than an inch from the flesh underneath her lifted tail, pressed firmly against the skin below his belly-button.
“Cum in me… cum, cum, cum… oh, fuuuu…” Jennifer moaned as she felt her brother slam his little body against her massive butt. What made her moan, though, was not his little body – it was his gigantic cock. As soon as Matt lurched into her and didn’t piston back, Jennifer knew what was coming. Half a second later she felt what she had been dreaming of and lusting after for the entire duration of their relatives’ Christmas visit: the singular and unparalleled pleasure of being stretched from the inside as her brother’s bulbous cock-head ballooned out like an opening umbrella and the intense, indescribable internal warmth as that first massive geyser of foal-creating cum was blasted into her.
Her eyes rolled back in her head as the crashing euphoria of orgasm washed over her. She didn’t even finish saying the word ‘fuck’ that had formed on her lips when she felt her brother cumming inside her; instead her tongue flopped out of her mouth and onto the bare carpet in ahegao-like ecstasy.
Matt, meanwhile, was resolute. With the look of serious determination still on his face – steadfast, almost professional resolve – he focused on pumping his cum into the bucking giantess in front of him. His hips didn’t move; he was simply pressed as far into her backside as he could, pouring cum into her eager womb like he was filling up a car at the gas station. Inside his sister the end of his equine penis flared, expanding out from the width of his shaft to bigger than his hand with his fingers spread wide, blooming like a sunflower at the end of a stalk 14 inches inside his sister.
“… uuuhhhh-huhhhhgghh… fuuuuck… cuuummm…” Jennifer mouthed trance-like once her tongue found its way back inside her mouth. A second, third, fourth pulse inside her as her brother filled her with his hot, white spooge. He gripped onto her butt like he was holding onto bicycle handlebars. Five, six, seven pulses. They were weakening in intensity, but still coming.
Her belly didn’t begin to visibly expand like with Ellie. She was just too big. Matt wasn’t in any position to see it any way. Still, that didn’t mean that the volume of cum he was filling her with was any less. Her size just allowed her to handle it better.
Finally, with the 11th spurt, Matt finally petered out. Sometimes it took up to 14 for him to finish, but this was the third mare he’d bred in the past 24 hours. Still, the amount of cum he dumped into his sister was about the same, since the last few pulses barely produced any; most of it came out in terrific jets in the first few ejaculations.
“F-fuck… fucking shit…” Jennifer managed to whisper out, her senses returning to her as she caught her breath. “That was… I needed that… so fucking bad…”
Matt heard his sister speaking but he didn’t acknowledge her. His eyes were still fixated on the point of their union, below her lifted tail, below her twitching black donut of a tailhole, where her plump and leathery black lips were spread wide by his cock of the same color, the pink inside her exposed ever-so subtly. He moved his hips back, letting a few inches of his cock slide out of his sister. She wasn’t as tight as his aunt Lindsey, and nowhere near as tight as Ellie, but her vaginal walls still clamped onto Matt’s shaft so much that he tugged on her slightly as he pulled back, pulling on her pussy from the inside, gripping his shaft like it didn’t want to let it go.
“Fuck, that was so good…” Jennifer panted, body and mind still swimming in the endorphin-rich afterglow after coming down from her orgasm.
Matt wasn’t paying much attention to her. Not her words or her mouth, anyway. He was still focused on her other end.
It might have been different if they were lovers or if this was with a girlfriend. Matt couldn’t say for sure. He’d never had a girlfriend – Ellie didn’t count, even if she thought she was his girlfriend – so he wasn’t sure what lovers did after sex. Jennifer was his sister, sex wasn’t an expression of love. It was just something they did because it felt really, really, really good for both of them. So Matt didn’t think twice about not answering Jennifer at all, not telling her she was sexy or how good she felt or what a great lay she was. Instead he slowly edged back, letting his cock begin to slide out of her without any word of warning or explanation.
His cock was still flared, so not a drop was spilled as he pulled out further and further. Not until the very end.
When the end of his cock finally popped out of her, it was accompanied by the familiar gush of cum shooting out of her pussy like the faucet in the shower they shared. It spewed out with such force that half of it blasted back into Matt, above his cock and below his belly button, coating him with a copious amount of his own seed. The noise it made – also familiar to Matt by this point – reminded him of the sound that was made when the cranberry sauce was emptied from the can during Christmas dinner; wet and gooey and messy, but delicious in its own way.
Now, with his hands still on his sisters flank, cum rivulets dripping down his torso and a lot more dripping out of his sister’s used pussy in front of him, Matt took a step back. He grabbed his pajama pants, laying in a heap on the floor next to his bed, and used them to clean himself off. He wiped down his stomach, shaft, balls, legs… the whole front part of his body hit with the back-blast of cum when he pulled out of Jennifer.
Now standing up, naked in his dark room, he looked down at his older sister. She was still on her knees and elbows, butt up and tail lifted with cum oozing out of her pussy. It seemed to Matt that it took longer for the mares in his life to recover from an orgasm than it did for him.
He tossed his wet pajama pants back down on the floor between Jennifer’s legs, right on top of the puddle of cum on the carpet formed by Matt’s seed dripping from her. Offering his pants to clean herself was, in Matt’s view, being nice. Or at least considerate.
Without a word Matt climbed back onto his bed and crawled under the covers, still tucked in tight on his newly made bed with the clean, fresh sheets. With a day as packed as today had been he’d be asleep in just a few minutes.
Jennifer was vaguely aware of everything her brother was doing behind her during this time. One thing Matt was right about was that it took her longer to regain her senses after cumming than it took him. So while he was cleaning up and climbing into bed, she was still swimming in the heavy mental din of post-coitus. For minutes, all she could do was remain semi-prostrate on her brother’s floor, butt still up in the air, letting it wash over her.
Matt had tucked himself in for the night by the time Jennifer was ready to get up. Without much else in the way of options she grabbed the gross used pajama pants her brother had left covering the pool of cum and used it, much as he had, to clean herself off. There was plenty on her legs, but mostly there was just a lot of it still inside her, and she knew that as soon as she stood up and started moving around more of it would gush out of her. She held the wet plaid pants to her crotch as she stood up and took a step towards Matt’s bed; sure enough, Matt’s cum spilled out of her, soaking his pajama pants.
She shook her head as she let the filthy pajama pants drop back to the floor, having served their purpose. Matt. What a scoundrel. What a rascal. He was turned away from her, and though she knew he couldn’t fall asleep that quickly he seemed well on his way. He thought it was totally fine to fuck a mare and then just walk away, leaving her quivering on the floor like it was nothing, like he was just walking out of the room after he was finished watching TV or playing video games. Well, she wasn’t going to let him get away with that tonight. She had a lot to say to him, after all.
Matt felt the sheets on his bed loosen on his body, a slight draft of cooler air entering his cocoon and blowing along his naked body. Then, an immense dip on the side of his mattress, so heavy that he started rolling toward it, like he was being pulled into the gravitational well of a black-hole. It was enough to immediately shake him from his half-sleep and realize what was happening.
“H-hey! What are you doing?! Jennifer!” Matt whined as his sister, still just as naked as he was, slid underneath the covers next to him. The carefully tucked-in bed sheet began to come loose, unable to hold as Jennifer’s enormous body slid underneath. When her huge round butt made it under the sheets it was all over – the tucked in edges and corners came undone entirely.
“You ruined it,” Matt complained, trying to make his sister’s act of untucking his bed sheets sound like an atrocity.
“Ruined what?” Jennifer asked, feigning ignorance as she slid further under her brother’s sheets, finally to her neck.
“The bed! The sheets were super-tight and comfy! You only get that for like, a few nights before it goes back to being all loose and normal,” he complained.
“Oh… whoops,” Jennifer teased.
“That’s the whole reason we did it on the floor. We may as well have just done it on the bed if you were gonna mess up the sheets anyway,” Matt continued, indignant.
“Well, damage done I guess. Now that the bed’s messed up… I guess it wouldn’t matter if we did it here too,” Jennifer said, rolling her body on its side and letting her leg drape over Matt. The sheets untucked even more as she rolled, the incredibly wide thickness of her hips dislodging them further now that she was on her side.
Part of her was teasing Matt, but part of her also did want him to fuck her again, immediately. It had been days, after all. Once wasn’t enough.
“We just did it. I can’t get it up again yet,” Matt said bluntly.
“Maybe I could help you…” Jennifer said, rolling further so that she was on top of her brother. She let her hips drop down on his now limp cock and started grinding on it. “That feel good? Getting hard?”
“No! That’s not… you’re crushing me! G-get off…”
Jennifer scrunched her nose. She was usually pretty cognizant of her size and weight, but sometimes she did make mistakes, and sometimes she did forget just how much bigger, heavier and stronger she was than her little brother.
“Sorry… maybe like this then,” she said. She wrapped her arms behind his back and then rolled over again, this time on her back. Jennifer didn’t know it, but it was the same maneuver their aunt Lindsey had used on Matt that morning to get him on top of her.
“Hey! Jennifer!!” Matt called out, but he was powerless to stop what was happening. Before he knew it he was laying on top of his sister, face-to-face with his limp cock on her belly.
“What? Is this worse that being crushed?” She said.
“No, but… what are you doing? I was trying to sleep, and now you’re just…”
“Just what? We just had sex, you know? If you ever start dating other girls and they let you fuck them, they’re not going to be too happy with you if you kick them out of bed as soon as you cum. You know that, right?”
“I mean… yeah, I get that, but that’s different. That’s like… real girls. You’re my sister,” Matt answered, unaware of how insulting his comment could be construed.
“So I’m not a real girl?” Jennifer said. She knew what Matt meant and wasn’t offended in the least; Matt had a way of phrasing things in the worst possible way. He was right, anyway – it wasn’t the same and she knew it. But teasing her brother was always fun.
“That’s… sorry. I didn’t mean it like that,” Matt apologized.
“I’ve got real tits…” Jennifer said, grabbing Matt’s hands and pulling them to her ample chest and onto her black nipples. “And I’ve got a real pussy…”
She pulled down on Matt’s butt and the back of his thigh, pulling his leg towards her still-slick crotch.
“… and you’ve got a real cock that seems to really like my real pussy. So I’m pretty sure I’m a real girl.”
“I didn’t mean it like that, I’m sorry! I just meant like… like…” Matt said, but he was unable to articulate it.
“I’m just screwing with you. I know what you meant,” Jennifer said.
“I just meant like… you’re my sister, not a girlfriend, you know? So it feels a lot more… casual? I dunno…”
“I get you. Believe me, I do,” Jennifer said, finally letting him off the hook.
But this was only a temporary reprieve. The real reason she crept back into bed with her brother wasn’t to have sex with him again – though she certainly would have if he were able to get hard ten minutes after cumming. And it wasn’t to get him tied up in linguistic knots about whether or not she was a ‘real girl.’ The reason she slid under his covers, the reason she now had her arms wrapped tightly around him, was something else. She’d seen him fucking Ellie. She’d helped him. And she wanted him to know that.
Jennifer waited for more than a minute, steeling herself for what she was about to say. She didn’t know what Matt’s reaction would be, but he’s probably freak out in some minor way.
“So anyway… speaking of pussies,” Jennifer finally said, as casually as she could, “whose is better… mine or Ellie’s?”
Jennifer felt her brother’s entire body go tense, like a plank of wood. He stopped breathing, frozen like an animal spooked by a predator. She was reminded of that movie they watched the other night, the one with the dinosaurs where you had to stay perfectly still because the dinosaurs could only see movement or something.
This was one of the reactions she expected, but she didn’t want Matt to feel this way. It was fun teasing him, but it wasn’t fun scaring him.
“Did you hear me?” she said after a few seconds. “I asked who you like fucking more, me or Ellie.”
“W-w-what… What are you talking ab-bout?” Matt stammered.
He still wasn’t breathing. Jennifer decided to go easy on him.
“Jesus, Matt, don’t freak out. It’s no big deal,” she said in a tone meant to convey that Matt was making a mountain out of a molehill. “Last night I went to get a glass of water and I saw you and Ellie. On the couch. Fucking.”
“It… it wasn’t…” Matt managed to squeak out.
“Matt, I saw it. And I heard you the night before. When you were on the couch behind me during movie night? I heard you two going at it.”
“Jenn… you… we…”
“Matt!” Jennifer exclaimed, clenching him tight to get his attention, “chill out! I don’t care, it’s cool. I’m not your girlfriend, I’m your sister, right? You can’t cheat on your sister. That’s not a thing. You’re allowed to fuck other mares. Like, to be perfectly honest, I want you to fuck other mares.”
“Wait, you… you want me to have sex with other girls besides you?!”
Jennifer felt all the tension leave Matt’s body at once; the surprise of that statement seemed to make him understand that his sister wasn’t about to toss him into the ceiling or crush him in her arms like a boa constrictor.
Matt raised his naked body up off Jennifer’s bare stomach and chest. Such was his astonishment that he wanted to look Jennifer in the eye to make sure she wasn’t messing with him.
She let him out of her tight grip, one hand drifting to the small of his back and the other right onto his cute little butt, which after his cock and balls was probably her favorite feature of his body. Or maybe his little chest without any muscles and those two cute little black nipples. Or maybe his skinny little arms. It was all so cute, it was hard to say. Why didn’t she notice how adorable and sexy her brother was until they started having sex?
He had his elbows right on her ribs with his hands still on her breasts, thumbs on her nipples, the same color as his but much, much larger. In the position he was in with his elbows digging into her, it would probably be painful if he wasn’t so comparatively small and light; she weighed more than two and a half of him.
“Hell yes I do,” Jennifer said. Matt could see that she was looking up at him with an incredibly horny look in her eyes. She was lustfully kneading his butt like pizza dough. “I want you to fuck every mare you can. I want you to fuck every girl in your class at school, every teacher if you can…”
That was wishful thinking, of course, but Matt caught the sentiment.
“That’s… wha? why?” was all he could say. Jennifer thought the look of confusion on his face was really cute.
“Because… well for one, it would be weird if the only mare you ever fucked was your sister. But also because… because it’s fucking hot you dingbat!!”
Matt’s expression turned from pure confusion to something more resembling confused amusement, like an expression he would have if he were watching a magician perform a trick.
“Dingbat… that’s a new one,” he said. “But like… what do you mean? Isn’t having sex with me what you want? Most girls don’t like it when their guy has sex with other girls…”
“Yeah, but you’re not ‘my guy.’ You’re my brother. Girlfriends and boyfriends can break up, go their separate ways, but the two of us… you’re my only brother and I am your only sister. No matter what happens we are kind of stuck with each other, you know? For the rest of our lives.”
“So the fact that we’re related makes you want me to… have sex with half the girls at school?”
This wasn’t exactly coming out right, Jennifer could tell. But Matt was being kind of silly and playful now, so that was a success. She was worried he’d clam up when she admitted to seeing him having sex with Ellie.
“No! I mean, maybe that was an exaggeration. Maybe not every mare you can. But…” Jennifer started. This wasn’t going anywhere, so she started a new tack. “Ok, so… confession time. It’s like this. I wasn’t going to the kitchen to get a glass of water when I saw you and Ellie doing it on the couch. I snuck out of my room just on the chance I’d see it. Like, specifically trying to see it.”
“Really? How did you know we would be doing it?” Matt asked.
“I didn’t know, not for sure. But I heard you guys fucking right behind me during movie night! And because I know you oh-so well, I know that you’d never pass up the chance to sex…”
“Well… yeah, that’s true. Busted I guess. Guilty as charged,” he admitted. “But I still don’t get why you wanted to watch.”
“I already told you, because watching you fuck another mare is fucking hot, doofus!” she declared, feeling that no other explanation was really needed. “And I didn’t just watch like a creep, you know? I was… I was feeling myself, too.”
“You were masturbating,” Matt said, blunt as ever.
“I… yeah?” Jennifer said, feeling she was stating the obvious.
“You were masturbating while watching your little brother and little cousin having sex,” Matt said.
“I was masturbating while watching your fat black cock splitting our sweet little cousin in half. I was masturbating while watching her lose all control bouncing on you like she was riding a pogo stick. I was masturbating while your cock twitched and your balls tensed and her pussy winked when you came inside her.”
“Damn…” Matt said, dumbstruck. “You saw all that?”
“Sure did,” Jennifer answered. “And like I said, it was fucking hot.”
For another moment Matt didn’t say anything. He was trying to digest all this new information.
“I kinda… I kinda wish I had known, you know?” he finally said.
“Why’s that?”
“I dunno. It would have been kinda cool to know I had an audience. Like, a fan cheering me on.”
“More like cheering you in,” Jennifer said, causing Matt to snicker. She smiled back up at him while giving his left butt cheek a firm squeeze. “But you know, I wasn’t just cheering for you. I guess you didn’t notice, but I was playing Santa’s little helper…”
“What do you mean?” he asked. He cocked his head a little with his question, which Jennifer found ridiculously cute as she kept idly massaging his little butt.
“You two were making a lot of noise on the couch during movie night, you know. I was coughing and making noise to try to cover it up when you two got a little too loud. And then I kind of blocked you from view afterwards. And then I washed all the wet blankets this morning…”
“Oh… crap,” Matt said.
“Yeah, ‘oh, crap.’ Plus whenever you two disappeared to that treehouse I was keeping mom and Aunt Lindsey and Uncle Bob busy. Because I assume you two were fucking in the treehouse too, right?”
“We… yeah, we were,” Matt said.
“Knew it,” Jennifer crowed. Matt was too predictable.
“I didn’t think we were that obvious,” Matt said.
“You were extremely obvious. To anyone who cared, anyway. Fortunately for you, that was just me,” Jennifer said.
“Yeah…” Matt said, trailing off, thinking about how it might not have been just his sister who suspected something was up. His aunt knew firsthand about his sexual appetites, after all. “So the only reason was because you thought it was hot?”
“Yeah. Pretty much,” Jennifer answered.
“So you just like to watch…” he prodded.
“No, not just that. I think it’s like… I dunno, it’s hard to explain. I think it’s like, the idea that your cock is in high demand, and you’re out there fucking other mares and cumming inside them and,” Jennifer said, catching herself before she said ‘getting them pregnant,’ which was the real major reason she found it so hot, “and, and… at the end of the day I’ve got it all for myself.”
“That doesn’t really make any sense,” Matt said. “I think you just like watching.”
“No!” Jennifer said indignantly, though she couldn’t articulate why he was wrong – at least not without also revealing that she was carrying his foal. “Like… so, there’s also the fact that I was trying to help Ellie out, did you think about that?”
“Helping Ellie? What do you mean?” Matt asked.
“Ellie’s a sweetheart. And she’s been your best friend since you were little.”
“Either her or Billy,” Matt interjected.
“Well… yeah. But anyway, Ellie’s our little cousin and I want to see her happy. She deserves to have fun, to be happy, all of that. What she deserves,” Jennifer said, pausing for dramatic effect, “is a fat cock to bounce on.”
“Well!” Matt said, his eyes widening, still smiling, “mission accomplished I guess. How’d you know that’s what she wanted?”
“Oh, Matt…” Jennifer said, rolling her eyes, “that’s what all girls want. Most girls won’t admit it, but they do. And since I knew you have the biggest cock around, I figured, why not share it with our sweet little cousin? Kind of like a Christmas present for her, give her the best experience possible for her introduction to the wonderful world of horse cock. She was a virgin, right?”
“She was…” Matt said.
“I figured. So yeah, my way of helping her to get something I thought she deserved. From what I saw she liked it…”
“She loved it,” Matt said. “And actually, she thinks she’s… she thinks I’m her boyfriend now.”
“Pffftthh!!” Jennifer burst out, a half-laugh, half-snort. “Like, you’re her actual boyfriend and she’s not just getting boned by her cousin?!”
“Yeah…” Matt said.
“And you let her think that?”
“What was I supposed to say? And then she started talking about living together in college and getting married and…”
“Oh. My. God,” Jennifer said interrupting her brother. “That is abso-fucking-lutely adorable! She’s in love!”
“Shut up!” Matt said, though he was trying not to laugh at the same time.
“Matt and Ellie, sitting in a tree…” Jennifer started teasing.
“Shut up…” Matt groaned.
“K-I-S-S-I-N-G…”
“Please, Jennifer…”
“First comes love, then comes marriage, then comes Matty with a baby carriage!”
“That’s not gonna happen!” Matt said. “We had safe sex. Every time.”
Jennifer’s mind immediately went to condoms before remembering that what Matt meant by ‘safe sex’ had nothing to do with what the term actually meant.
“True. Every day she was here was a safe day…” Jennifer lied.
“Exactly. It was a safe time every time we did it,” Matt said with supreme, though misplaced, confidence.
“Mm-hmm,” Jennifer hummed, knowing that what her brother and cousin did was anything but safe. Her hands had moved from his chest back to his butt, and now one was sliding further down, under his tail, over his puckered horse-tailhole, further down. Gently and delicately her fingers fell onto her brother’s massive black ball-sack, over the two softball-sized orbs within.
“So how many times did you guys do it, anyway?” she asked while massaging his balls. She was getting aroused again, but sadly she could feel that Matt’s cock was still soft and limp, only a few inches protruding from his leathery sheath resting on her stomach.
“Umm… let me think,” Matt said. The fact that he had to think about it spoke volumes to Jennifer. “Five?”
“Five?!” Jennifer said with genuine surprise.
“Well… only four times where we actually had like, real sex. The first time was just kind of, rubbing it between her thighs and making a mess all over her.”
“Wow…” Jennifer said, “so like… when was the first time you did it for real?”
“Chistmas Eve night. After everyone went to bed,” Matt said.
“So Ellie lost her virginity on our living room couch…” Jennifer said.
“Yep,” Matt answered without any pretext. “She thought it was my first time too. She doesn’t know about us…”
“Yeah, I figured. That explains why she thinks you’re her boyfriend. Shared first experience and all that.”
“Probably,” Matt said.
“So…” Jennifer started again, about to ask the question she was thinking about the most. “When you guys had sex, four times. Did you cum inside her every time?”
“Well, yeah, of course,” Matt answered in a tone that suggested it was a silly question for his sister to even ask.
“You came inside Ellie’s pussy four times?” Jennifer repeated, the thought of her brother’s cock flaring and pumping her cousin full of cum making her excited.
“Yeah? That’s what ‘cum inside’ means. Like, you know, what you were asking me to do to you ten minutes ago? And I did?” Matt said. “It’s a safe time so it’s no big deal, I can cum inside you or Ellie or anyone all day and it won’t matter.”
Jennifer was kneading his enormous balls like she had been with his butt earlier. Four times. Matt creampied Ellie four times. While she was in heat. Matt may have been ignorant of equine anatomy, but Jennifer wasn’t. Based on everything she knew, it was almost a statistical impossibility for Ellie not to have been impregnated during her Christmas visit. Especially considering the insane, impossible geyser of cum that Matt seemed to spray when he came. It was unlike anything Jennifer had ever seen with any other guy she’d fucked.
These balls, she thought, massaging them in an almost trance-like worship. These are the balls that knocked me up, the balls that fathered the foal growing inside me this very moment. Now it was effectively a certainty that these same balls had created another new life inside her 14-year-old cousin. Ellie didn’t know it yet, but soon she and Jennifer would be raising foals together, fathered by the same dorky little dweeb.
“Yep, that’s true,” Jennifer confirmed nonchalantly. “Well, I’m glad you did. Fuck Ellie, I mean. And cum inside her. Ellie’s so sweet, she deserves to get some good dick and a cummy tummy. Especially for her first time. Good for her. I’m happy for her. I’m happy you could give it to her.”
They would soon be mothers together, and Jennifer was thinking about how they’d probably soon be commiserating about the experience. She was also remembering how fun it had been watching her ride Matt, encouraging and urging her to ‘get that dick, you get that dick girl.’ Well, she did. And now she was pregnant because of it.
“Yeah, umm… okay. Sure,” Matt said, not really sure what to say and a little weirded out.
“Don’t be like that! Listen! I’m just saying like, I’m glad her first time was with you, and I am glad you came inside her. Because that’s like, the full experience, you know? For a lot of girls the first time is… it’s not great. Some colt who doesn’t know what he’s doing and blows his load in five seconds and that’s their introduction to sex. That sucks. But I know with you Ellie had the fucking time of her life…”
“Heh… yeah, she did,” Matt chuckled, remembering his cousin’s crashing orgasms, eyes rolling back in her head and whole body spasming and quivering.
“Mm-hmm! And like I said, I am glad you came inside her because… how can I explain this,” Jennifer said, pausing for a moment to gather her thoughts and express them properly. “It’s like… when you have sex and it’s good and then the guy pulls out, it’s such a letdown. You can’t explain it but your body knows it got cheated out of the best part. Because Matt, I know you don’t understand but for a girl, that feeling when a guy cums inside you…”
Just thinking about how to describe it was exciting to her.
“When his tip flares out and stretches you from the inside and then you feel that warmth deep in your gut from his cum, filling you, spreading inside you, that’s… there’s nothing like it. Nothing on the planet. It can’t be described. It’s fucking heaven. So yeah, I’m glad Ellie’s first time was with you, and I’m happy for her. She’s our sweet little cousin and I love her like a little sister and I’m happy she got herself some good fucking cock and a pussy full of cum for her first time. Because that’s the best.”
“It feels pretty good for me too…” Matt offered.
“I kiiiind of figured that,” Jennifer answered.
“And Ellie seemed to really like it,” Matt continued.
“Well, yeah. She let you creampie her four times in what, two days? You corrupted her. You ruined her. You turned our sweet innocent cousin into a little eighth-grade cum slut. No wonder she’s dreaming about getting married and having your foals – you got her hooked on horse cock. Addicted. Happens to the best of us…”
There was a long, awkward pause. Matt didn’t say anything.
“Anywaaaay…” Jennifer said, changing the subject after realizing she was being a little weird, “back to my original question, which you never answered. Who’s better in the sack, me or Ellie?”
Jennifer saw her brother smirk, trying to think of a tactful answer.
“Well… it’s hard to say who is better. It’s really different with both of you.”
“How’s that?” Jennifer asked.
“I mean… there’s the obvious. Ellie’s the same size as me, and you’re… well, you’re…”
“Huge…” Jennifer said, finishing Matt’s thought.
“Not in a bad way!”
“Don’t. It’s fine. I know I’m giant, it’s no secret. I’m not self-conscious about it. Besides, you don’t seem to mind these…” she said as she gently shook her chest, which Matt’s hands were still casually resting on. “Ellie’s flat as a board. She probably looks about like you do without a shirt, right?”
Her big, strong hands went from Matt’s backside to his chest. Each one of her hands was almost as big as Matt’s entire chest, but she could also be gentle with them. Just as Matt, freshly reminded of his sister’s tits, was now squeezing and fondling them, Jennifer rubbed her hands up and down her brother’s chest in admiration and desire.
“Yeah, we look almost the same. She has no tits at all,” Matt confirmed.
“And you like that?” Jennifer asked with genuine curiosity.
“Well I mean… I dunno. I don’t not like it. I like your big boobs but Ellie’s chest is hot too. I dunno, I can’t explain it. I’m not like, super picky about boobs. I like big boobs and small boobs and no boobs on girls. Girls can be hot in all shapes and sizes, you know? It’s your super-power.”
“That was… probably the best answer,” Jennifer admitted, knowing that he was probably telling the truth. “And I can confirm that flat chests can be really hot…”
Matt felt her thick hands running up to his neck, then back down his chest and stomach. She had grown to love every inch of his body.
“Yeah. I mean it’s like, you like my body, right?”
“Sure do…” Jennifer said without any delay, still feeling him up.
“But you also like buff dudes with muscles everywhere, right?”
“I… I guess so,” Jennifer answered. In truth she used to like bigger, more muscular guys, but over the past few months her tastes had changed so much that she now only ever thought about small, young, colt-like boys – like her brother. Still, she understood the point Matt was trying to make.
“There you go. You have big boobs, Ellie is ‘flat as a board.’ I like girls so I like both. That’s not the biggest difference though,” he said.
“What is?” Jennifer asked.
“It has to do with your size though…”
“What is it?” Jennifer asked with more insistence.
“It’s… your pussies.”
“Ohh… that’s what I figured,” Jennifer said.
“Like with you it’s like… I can just ram it in without having to be careful at all because I know I can’t hurt you.”
“You’re so romantic…” Jennifer said sarcastically.
“But with Ellie… she can’t take the whole thing. Like, she’s not big enough. Physically.” Matt continued.
“Really…” Jennifer said with some surprise. It made sense when she thought about it, she just hadn’t really thought about it before. “So you can only get it part of the way in?”
“Yeah. About to my ring. I have to be careful about it,” Matt explained. “But it’s all right because she is so unbelievably… she’s so tight. It feels so fucking good.”
Jennifer figured as much; no surprise that her 14-year old cousin who was less than half her size had a tighter pussy than she did.
“So you’re saying my pussy is loose…” Jennifer needled.
“No! God no!” Matt said with such sincerity she had to believe it. “You pussy is tight too! Just… Ellie’s is like a clamp. A hot, wet clamp. And small. Yours is… you just have a really big pussy.”
“I’m eight feet tall Matt…” Jennifer said, almost as an excuse as to why her pussy was so big.
“I know! I’m not saying it’s bad, just saying you have a really big pussy. And I mean like, it would be weird if you didn’t have a big pussy, you know? Like you said, you’re eight feet tall…” Matt repeated. “Plus, like I said it’s good because I know I don’t have to worry about hurting you. I can just go to town, as hard as I want.”
Jennifer couldn’t stop herself from smiling, taking a kind of perverse pride out of her brother’s words.
“Hmm, true… I guess that’s what makes us so compatible. My ‘really big pussy’ is the perfect size for your really big cock. Like they were made for each other. Perfect fit,” she said.
“Yeah. That and the fact that we’re brother and sister. Makes us compatible, I mean,” Matt answered.
“Yeah, probably that too… but mostly your really big cock,” Jennifer trailed off.
She still had a slight grin on her face as she breathed in deeply. Matt, still laying on top of her, rose with her chest as she inhaled. She sighed with an audible contentedness and Matt lowered down again with her chest.
“Hey Matt?” she said. “Can you make me a promise?”
“Maybe,” Matt answered.
“So like,” Jennifer continued, “I don’t care what other mares you have sex with. I think it’s kind of hot, like I said. Fuck as many as you can. Just like… if you do, can you let me know?”
“Like… tell you if I have sex with another mare?” Matt asked, wondering if he heard his sister correctly.
“Yeah.”
“Why?” he asked.
“Because like I said, it’s hot. And I’m your sister and we should be able to talk about stuff like that.”
“Would you tell me if you had sex with another guy?” Matt asked.
“Would I! Honey,” Jennifer blurted out, “I’d brag about it to you. Instantly. All the juicy details.”
“Gross…”
“Oh, it’s gross when another stallion does it but not you?”
“Kind of?”
“That doesn’t make any sense,” she said, rolling her eyes.
The idea of other horses fucking his sister was something Matt hadn’t thought about in a long time, but he did remember that before they started having sex there were a lot of rumors about her promiscuity. That’s how they’d had sex the first time, after all – she thought he was someone else. Curiosity got the better of him.
“So like… how many guys have you had sex with?” Matt asked, not really expecting his sister to answer.
“Counting you?” Was her instantaneous response.
“Sure.”
Matt saw her turn pensive, going over memories in her mind. At first he thought she was messing with him, but after a few seconds he realized she really was making a mental tally of all the guys she’d fucked.
“Counting you, let’s see…” she started, “I’m pretty sure it would be – 37.”
“37!” Matt exclaimed.
“Shhh!!”
“37…” he whispered, “you’ve fucked 37 guys?!”
“Yeah?” she answered matter-of-factly.
“That’s like… that’s like a quarter of all the guys in your grade at school!”
“They weren’t all seniors!” Jennifer said defensively. “And they didn’t all go to my school. You’re the youngest though. So far.”
Matt didn’t say anything. Jennifer could see the shock writ large on his face.
“You seem surprised,” she said.
“I just… I didn’t realize it was so many.”
“Well, it is. Like I said, about what you did to Ellie? Hooked on horse cock? Addicted? Yeah, that’s a thing. I love cock. I’m not ashamed of it.”
“Have you had sex with anyone else since we started doing it?” Matt asked, unable to stop himself.
“No, just you for the past two months. None of the other 36 guys had cocks as big as yours so, no need,” she said flippantly. “Plus none of them have bedrooms fifteen feet away from mine, so it’s a convenience thing.”
She didn’t feel the need to tell Matt that she had fallen out of popularity at school to the point where it was unlikely any of the 36 other guys would sleep with her again, or the fact that her taste in guys had shifted so much towards the physical proportions of her brother than she didn’t have much interest in stallions her own age or size any more.
“Sooo… now that you know my number, how many mares have you fucked?”
Jennifer said it mostly as a joke, which was why Matt’s response was so unexpected.
“I never promised I’d tell you…” he said.
Jennifer’s eyes opened wide, her mouth opened in a gasp that she had the wherewithal not to verbalize.
“Matt! More than two!!” she practically squealed.
“I didn’t promise to tell you!” he feebly deflected.
“You colt-slut!!”
“I didn’t promise!!” was Matt’s only defense.
“But you didn’t deny it…” Jennifer said. “So promise me now. I already know there’s at least one more mare on your list. Just admit it.”
“I… it’s…” Matt stuttered. Yes, there was another mare on his list of conquests. That wasn’t a big deal, though. It was who that mare was that he was afraid to tell his sister.
“You don’t have to be embarrassed. I think it’s hot. So tell me… three? More?”
There was a long pause. Jennifer could tell he was mulling over his response. His eyes were turned away from hers. He gulped hard.
“Three,” he finally said, weakly, admitting defeat. He knew what was coming next.
“Mmmmm!” Jennifer hummed, smile beaming ear-to-ear. Matt felt her squeezing and kneading his butt cheeks again with both hands. She couldn’t hide her visceral reaction to Matt confirming that he was fucking other mares. “That’s what I thought. Little Matt, three mares in three months. At this rate you’ll be past my 37 by the time you’re my age.”
“I guess…” Matt said, not sure how to feel, not sure how his sister’s opinion would change when she found out who that third mare was.
“So… who is she?” Jennifer asked.
“I don’t wanna say…” Matt resisted.
“A girl from your class?” Jennifer suggested.
“No…”
“Matt! A teacher?!”
“No!!” Matt said loud enough for Jennifer to know he wasn’t lying.
“Hmm… someone I know?” she continued.
Matt didn’t say anything, his eyes averted even further. That was all the confirmation she needed. Matt was a terrible liar. Although, to be fair, he hadn’t lied to her. And their relationship was at a point where she was confident he wouldn’t lie to her. He was just reluctant to give her information, for whatever reason.
“It is someone I know!” Jennifer crowed. “One of your friends’ sisters?”
“No…”
“Matt! One of their mom’s!!” she exclaimed with the same energy as when she asked if he’d fucked a teacher.
“No!!” Matt answered again in the same way. “Not… anything like that.”
There was something in the way Matt said it. Jennifer couldn’t pinpoint it – it could have been that she knew him better than anyone, having lived with him for their whole collective lives. Maybe it was just their bond as siblings. But in that instant, Jennifer pieced it together.
“Oh my god, Matt, you didn’t…” she whispered.
Matt felt her hands clench tight on his butt cheeks. She had him pinned, there wasn’t any escape, not as strong as she was.
Jennifer saw him turn to look in her eyes again.
“You did, didn’t you?” Jennifer continued, now in a whisper, “you fucked Aunt Lindsey.”
“It wasn’t my fault! She made me do it!”
“You fucked Aunt Lindsey?!!” she repeated, incredulously, no longer whispering but stifling an outright outburst.
“She forced me to! She took me behind the store and made me have sex with her! It was all her idea!” Matt blurted out.
This only confused Jennifer. The fact that her little brother fucked their aunt was a little bit of a mind-fuck, but given the fact that she knew Matt has also had sex with his sister and his cousin, it wasn’t the most surprising thing in the world. The most confusing part wasn’t that Matt fucked their aunt Lindsey, but that she let him. Ellie… Jennifer could understand – she’s young, inexperienced and in heat. But Aunt Lindsey? She’s 34 years old. She’s married, for god’s sake. What the hell?
And what was Matt saying? She made him do it? What did that mean?
“Okay, okay! Calm down. You fucked Aunt Lindsey… fuck. Okay, calm down. I’m not gonna freak out. It’s just… I was not expecting that,” Jennifer said, trying to calm Matt down.
“It’s…” Matt started. He was breathing hard, fight or flight response triggered, but when he realized Jennifer wasn’t freaking out he started calming down. Jennifer was massaging his naked butt and lower back again to help him relax. She gave him a moment to start breathing normally again.
“It’s okay. It’s fine. It’s just really surprising. How did it happen? She made you do it?”
“Y-yeah…” Matt answered sheepishly. “The first time, at least.”
Jennifer bit her lip. Despite her better judgment and for reasons she couldn’t explain, now that she’d had a moment to process it, the idea of Matt fucking their aunt was really hot.
“How many times did you do it with Aunt Lindsey…” she asked, voice low, both hands back on her brother’s butt.
“Three times,” he answered flatly.
“Three? God damn, Matt, three times with Aunt Lindsey. And four times with Ellie, just in a few days… no wonder you couldn’t go again tonight.”
“Sorry…” Matt said, apologizing for having so much incestuous sex over the past few days with a sincerity that Jennifer found absurdly adorable.
“Don’t apologize. I’m happy for all three of you,” Jennifer said. “So… three times with Aunt Lindsey. Did you… cum inside her?”
“Yeah,” Matt answered, again, as if it were obvious.
Jennifer squeezed his butt again hard, spreading his cheeks and exhaling loudly. Fuck, she thought. So fucking hot.
“All three times?”
“Yeah? It was a safe time,”Matt said.
“And she let you?” Jennifer asked, trying to think through the information she now had, searching for an explanation. One time she might be able to understand, given Matt’s proclivities, but three? Why would Aunt Lindsey let Matt creampie her over and over again?
“She didn’t let me. She asked me to and basically made me do it. Like, she held me and wouldn’t let me pull out if I wanted to. It was safe sex so I wasn’t going to anyway but, yeah, she kept telling me to cum inside and it was like she made sure I did.”
“She told you it was safe?” Jennifer asked, trying not to sound as absolutely flabbergasted as she was.
“Yeah, she said it was safe and kind of forced me to cum inside her,” Matt said. “Three times.”
“Why?” Jennifer said out loud, even though she didn’t mean to.
“I dunno. You just said it’s the best feeling in the world, right? Bob probably wasn’t doing it for her. And she already knew I had a really big dick.”
In just a few minutes, Jennifer figured out what Matt never did. That was it. Bob wasn’t doing it for her – but not in the way Matt meant. How long had they been married, almost 10 years? And they still didn’t have a foal of their own, even though she knew they both wanted one? Aunt Lindsey wasn’t having sex with Matt for fun. She was doing it to have a foal, a foal she would try to pass off as Bob’s. She was trying to get Matt to impregnate her. She was breeding. She was breeding Matt, intentionally. Or rather, she was forcing Matt to breed her. The perfect crime.
But then something else occurred to Jennifer, something Matt just said.
“Wait, wait, wait… what do you mean she ‘knew’ you had a big dick? How did she know that?”
Of course, it could have just been that she saw it under Matt’s loose pajama pants, but something told Jennifer there was more too it than that. When it came to her little brother, it always seemed to be something more obtuse.
“Oh… I… she…” Matt fumbled.
“How, Matt…” Jennifer asked, her suspicions all but confirmed by how flustered Matt became all of a sudden.
“She…” Matt said. He paused for quite a long time.
“The truth…” Jennifer insisted.
There was no way around it. All the women in Matt’s life were bigger and stronger than him, but while he’d never admit it – they were smarter than him, too. At least when it came to stuff like this.
“She… she saw us,” Matt finally admitted.
“What do you mean she saw us?!” Jennifer exclaimed, trying to remain calm but with a cracking voice.
“She… okay, the truth. During Thanksgiving, when they visited, remember? And I was in your room and we were doing it?”
Jennifer tried to remember; she had had sex with her brother so many times it was difficult to remember any single time.
“I think so…” she said.
“Well, she… when we were doing it, she went to the bathroom and peeked into your bedroom,” Matt said. “And she saw us. Having sex, I mean.”
Jennifer stopped kneading Matt’s buns, gripping them tightly again. She knew? She knew about her and Matt? What else did she know?
“And then she like… she said if I didn’t have sex with her she’d tell mom,” Matt said in his defense. “So I didn’t have a choice! She made me fuck her!”
She made you breed her, Jennifer thought.
It all made sense; finally, Jennifer had the whole picture. Aunt Lindsey saw what she saw a month ago, but she didn’t tell anyone. Then she must have hatched a plan. Her husband couldn’t give her a foal, but when she saw how big Matt’s cock was, how big his balls were, how much cum he produced…
That scheming little minx!
Jennifer closed her eyes, inhaling heavily, exhaling. She started kneading Matt’s cute little butt again. This little colt – this dumb, reckless, horny little colt. One of her hands slid down to his massive balls. These stupid balls, she thought. These big, stupid balls had gotten her pregnant. Her and, as she now knew, two other mares. At this very moment no fewer than three mares had foals gestating inside them thanks to this idiot of a little brother she had.
And that was hot as fuck.
“That’s… wow,” she said.
“I didn’t have a choice!” Matt said as an excuse.
“No, you’re right,” she said. “You didn’t. That’s just… That’s crazy, that’s all. I never would have expected that.”
“What if she tells mom about us?” Matt asked. Jennifer’s voice and words had mostly allayed his fear of his sister throwing him into the ceiling.
“She won’t,” Jennifer said confidently, but not for the reasons Matt would have thought. “And you’re right, there wasn’t much you could have done.”
“So you’re not angry?” Matt asked.
“Angry?” Jennifer said. “No. Hell no. Not at all. Just surprised.”
“It was safe sex so it’s not really a big deal, right?” Matt asked, looking for reassurance.
“Exactly. It was totally safe sex,” Jennifer lied. She still wasn’t ready to tell Matt that he would be a father soon. And really, with Matt fathering so many foals with so many family members, it made her situation look less bad comparatively. So she continued. “And honestly I’m kind of proud of you.”
“P-proud?” Matt asked. He raised himself up a little on Jennifer’s chest and looked her in the eye.
“Mm-hmm,” she answered back, horny grin on her face, kneading his butt once again, “most colts your age are virgins, but you managed to get it on with three different mares. You’re kind of becoming a sexy little stud…”
“Really?” Matt asked with the energy of a dog being told he’s a good boy.
“Yeah, really,” Jennifer said, “and I’m totally on board with it. So, will you promise me?”
“Promise you what?” Matt asked.
Jennifer rolled her eyes. He had already forgotten.
“Promise me that, if you have sex with anyone else, you’ll let me know,” she reminded him.
“Oh. Yeah, I guess I can do that. I promise,” Matt said. “Will you promise too?”
“Sure. I promise,” Jennifer said, though the chances of her having sex with anyone besides Matt any time soon were slim. “And if there’s anything I can do to help you get laid with a new mare, I promise I’ll do that, too.”
“Oh… okay. That’s cool,” Matt said.
“Promise me something else, too,” Jennifer said, pushing her luck. “Promise me that if you have sex with another mare, you’ll cum inside her.”
“What if it’s not a safe day?” Matt asked.
“It will be. Like, almost every day is safe, you don’t have to worry about it. Trust me. Plus, even on the one day a month that isn’t safe you have to do it like, multiple times that day for a mare to get pregnant. So if it’s one time you really don’t have to worry about anything,” she lied, knowing nothing could be further from the truth.
“Really? I didn’t know it worked like that,” Matt said.
“Yep, that’s how it works,” she quipped, as if it were common knowledge.
“Oh. Cool! Good to know!” Matt said.
“Yep!” she said, content that yet another piece of disastrous misinformation had been successfully implanted in her brother’s simple little brain.
She felt her heart flutter as he laid his head down on her chest, using her boobs like a pillow. Her hands wandered aimlessly all over the backside of his body, butt and back and thighs and balls.
“I thought you were gonna kill me when you found out I did it with Ellie and Aunt Lindsey,” Matt confessed, his head turned to the side. In some ways laying on Jennifer was better than laying on a mattress. She was so big and strong that, with her hands roaming all over him, he felt safe and warm in a way that was impossible laying in bed by himself. At the same time she was every inch a mare, sexy and beautiful and into him. On top of all that she was his only sister, so there was a familiarity with her that he didn’t have with anyone else with the possible exception of Ellie.
“Nope. You’re a colt, it would be weird if you didn’t have sex with them when they wanted it. Nothing wrong with it, it’s natural,” she said. “And also, thanks for being honest with me. About Ellie, Aunt Lindsey, her seeing us on Thanksgiving… everything.”
“Oh… sure,” Matt said, not sure how to respond, “umm… thanks for telling me about the 36 dudes you did it with before me, I guess.”
“You little…” Jennifer said, giving her brother a light, playful smack on his butt.
“Oww!” Matt said dramatically, though they both knew Jennifer barely tapped him.
“Oh, hush. You deserve a lot worse – I was trying to be real with you for a second and you just…”
“I know… I’m sorry,” Matt said, a rare apology. “I was just trying to joke around, I wasn’t trying to be mean. And I should… I should thank you, too.”
“For what?” Jennifer asked.
“For everything in the past few months. It’s like… I dunno. Things with us used to be so bad. We never used to like each other, we were mean to each other all the time. But ever since we started…”
He paused for a second.
“Ever since we started fucking,” Jennifer said for him.
“Yeah. Ever since we started, it’s been different. I used to be afraid of you. Like, actually afraid. But I like spending time with you now, I like talking to you, I like… this, you know? Just laying in bed with you. And yeah, I like having sex with you too, but I feel like… I dunno. I feel like we’re really close now. In a really good way.”
Jennifer couldn’t help but smile. A hand went from Matt’s backside up his back and to the back of his head. She pulled him closer to her breast.
“Yeah, I know what you mean. I used to just think of you just as an annoying, dorky little brother, but now…” she said, thinking about how much had changed in the past few months. “You’re my friend. Maybe my best friend. Probably the only one I can talk to about anything. Like, anything.”
“Yeah,” Matt said. She felt him turn his head and start to lift his chest up, and then he was again looking into her eyes. “I don’t think I ever told it to you since we were little kids, but… I’m glad you’re my sister and… I love you.”
Jennifer felt like her heart was melting, a wave passing through her not unlike when she was filled with her brother’s shaft. No stallion or colt had ever said that to her before.
She stared up into her brother’s big eyes, glowing with warmth and sincerity. There was a bond with him that she didn’t share with anyone else, so that even if his words didn’t always convey exactly what he meant she could feel it and understand him purely on intuition. Matt didn’t mean he loved her like a girlfriend, but it also wasn’t exactly purely platonic like a ‘normal’ sibling relationship. It was something in between. Or maybe beyond. And besides, what was normal? Was the constant fighting and simmering hatred they had for each other before all this started normal? If so, normal sucked. Whatever this was, whatever had happened between them in these past two months – that was infinitely better. Whatever anyone else thought, their relationship now was right. She understood. And she felt the same way.
“Matt… I love you too…” she said.
Without a moment passing they closed their eyes and leaned into each other, mouths open, lips meeting. Once again their tongues slid past and across each other, and the two shire horse siblings kissed with a passion neither could explain but both embraced.
When their lips finally parted, Matt and Jennifer just gazed into each others’ eyes for minutes, lost in the moment with heavy eyelids and butterfly stomachs and lazy smiles. Finally, Matt tilted his head and laid it back down on his sister’s ample breast, large enough to serve as a pillow for him, while she gently stroked his mane on the back of his neck and upper back.
Jennifer stared up at the ceiling fan, still feeling warmth in her chest and with a grin she couldn’t control. She knew she’d have to tell Matt about the foal he sired in her eventually. She also knew that, sometime in the next few months, all hell was going to break loose. By the time Jennifer was showing, Ellie would find out she was pregnant, presumably on the heels of her mom announcing that she and Bob were finally going to have a baby. Aunt Lindsey would certainly piece it all together, that was unavoidable. She was clever enough to figure everything out. It would be pandemonium. It would be cataclysmic.
But that was a problem for another day. Right now Jennifer just focused on the warmth and the love and the feeling of rightness that flowed through her at the present moment, the weight of her brother and father of her foal on her chest, rising and falling with her breath.
In just a few minutes she could tell Matt had fallen asleep on top of her. Jennifer, embracing this feeling of sublime comfort that she knew wouldn’t last, that she knew was destined to be shattered in the not too distant future, closed her eyes.",
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