Brother Trouble

by Danaume Rook

mc; bf; bdom; oral; anal; inc

Rachel groaned as she slowly came around, her whole head felt like it was throbbing and the world was spinning erratically. She opened her eyes briefly, but that only made things worse, so she squeezed them closed again and put her hands on her forehead. The brief time she had her eyes open revealed to her that she was in the garage, with tools hanging on the wall near her.

Rachel tried to figure out how she had gotten into the garage, but her memories were a jumble. She could tell that she was laying on her back, and from the feel of things, she was on the old military cot that her dad kept in the attic above the garage. She just couldn’t remember how she got into the garage, or how she got onto the cot.

Her nose and left eye ached the worst, and as she gently explored the area with her fingers, she found the flesh inflamed and swollen. Had she hit her head? Was that why she couldn’t remember what had happened?

She could vaguely remember her brother Daniel asking her to help him with one of his science experiments, and following him to his bedroom, but then everything was a blur.

Daniel the dweeb.

Rachel loved her younger brother, but like any older sister, she couldn’t stand him at the same time. Her parents doted on him, the family’s little genius. It drove Rachel crazy. She spent hours every night studying and barely pulled off B’s, whereas she had never seen Daniel study anything, and he not only kept a straight A average, he had skipped two grades. He could damn near read a novel in the time it took her to read the back cover and see if she was interested. It was infuriating.

Her only consolation was that he was also cute, not handsome, but cute. Almost girlishly so. He was only twelve, but his body was stick thin in some places, and curvy in others, with not a manish sharp angle anywhere. He, like Rachel, had their mother’s green eyes and pale skin, but he had inherited his father’s rich brunette hair in place of their mother’s copper red like Rachel had. He had full and pink lips, and she knew he got teased about wearing lipstick for it, and his hair was naturally curly, making him look like he had a perm if he didn’t spend an hour every morning brushing and using the flatiron and hair gel to flat it down.

Once the room stopped spinning, Rachel gently sat up and opened her eyes, bracing herself for a moment at a minor wave of vertigo before she stood up and walked to the door leading into the house.

She caught sight of her face in the hall mirror, and could tell instantly why her head hurt so much. She had a black eye, running along the top and bottom of her left eye along the inside curve, as well as the side of her nose being swollen black and blue. She winced and gently touched the bruise with her fingers, having no clue how she had gotten such a mark.

Rachel called out, “Daniel?” trying to keep some measure of authority in her tone, though her voice shook and was quieter than she intended due to her still throbbing head. She started towards the bathroom to get a few tabs of ibuprofen and acetaminophen both, swallowing them down with a glass of water before calling her brother’s name again, “Daniel, where are you?”

Daniel called back, “In my room, Rache!”

She sighed and started for her brother’s bedroom. Her parents were gone for a four day weekend, and she had been left in charge, as at seventeen years of age, her parents considered her to be more practical and responsible than the absent minded genius they were so proud of. She found his bedroom door open and leaned against the door frame, groaning out, “Daniel, what the hell happened?”

She had expected that if she had such a shiner, he must be hurt as well, but was relieved to see that he appeared perfectly fine. He winced as he saw her though, “Damn, that looks like it really hurts. Want me to get you some ice?” He stood up and started to push past her to get her a bag of ice, and with a slight frown, she let him.

Once the bag of ice, wrapped in a towel was placed gingerly against her nose and eye, she tried again, “What happened Daniel?”

He sat down at his desk and picked up his cell phone, thumbing open an application and keying a few buttons before replying, “I needed you unconscious for my experiment, so I gave you some roofies that I bought from one of the guys at school.”

Rachel blinked and almost dropped the bag of ice, “You what?!”

Daniel shrugged, “Trust me Rache, you didn’t want me inserting that thing while you were awake.”

Her good eye went wide at that, “Inserting what thing! What did you do Daniel?!”

“Calm down Rache.” was his reply in a dismissive tone.

Rachel blinked as she felt all the tension leave her body, as well as her concerns and growing anger. She slumped a little heavier against the door and her breath left her in a long and calming sigh. In confusion she muttered, “What the...”

Daniel just grinned and looked down at his phone, saying, “Awesome.”

Rachel asked in a much calmer voice, “Daniel, what did you do to me?”

Daniel looked back up at her and smiled, “I implanted a deep brain stimulator into your parietal cortex. That’s why your nose and eye are so messed up, it was hell to get that thing in through your nasal cavity, but it wasn’t like I had the resources to do open brain surgery here or anything.”

Rachel’s breath caught and she felt like her heart skipped a beat, but she still couldn’t manage to get angry with her brother, or even express shock or surprise, saying in a disturbingly calm tone, “You put something into my brain?”

Her brother nodded, “Yeah, a deep brain stimulator, essentially it is a wire with an electrical probe at the end. It sends little shocks into your parietal cortex to enhance or subdue brain functions there in accordance with this program I am writing.”

Rachel shuddered a little in a sense of fear that grew despite the calm nature of her body, “W... wh... what are you talking about?”

Daniel grinned wide and said, “Here, it would be easier to show you.” he tapped at the screen a few times and then said, “Take off all your clothing.”

Rachel grit her teeth, feeling some anger return to her at that insane request. She stood up straighter and dropped the ice bag as she put her hand on her hips in protest, “Daniel Scott Carson...” The lecture she was planning in her head was cut off as her hands missed her hips, instead grabbing the hem of her shirt and pulling it deftly up and over her head. “...what?”

She dropped the shirt casually on the floor and leaned forward slightly to reach behind her and unhook her bra clasp.

Daniel watched with a wide grin as he explained, “The parietal cortex is responsible for free will and decision making. When it is stimulated, it makes decisions quickly. When it is impaired, you go with the flow and do whatever you are told...”

His words tapered off as her old white bra fell to the floor at her feet, exposing her heavy young breasts to the air. Rachel was at the high end of a C-cup, and despite her breasts having the gravity defying gift of teenage youth, they were heavy enough that without support they drew down into a slight sag that caused her nipples to point up, making them look perky even when she wasn’t aroused at all.

Rachel blushed deeply, trying to stop herself from doing what she had been told, and her hands shook a bit from the effort as they went to the snap of her jeans, but her own desire and modesty were on the losing side as she pulled the snap and unzipped the jeans, pushing them and her plain powder blue panties down and off her hips, bending over to shove them all the way down before stepping out of them and tugging off first one sock, and then the other, to leave her completely naked in front of her brother.

“Oh wow...” she heard him say, “...you shave?!”

She did, of course, most the girls in school did, either because their boyfriends wanted it, or because they wanted to ‘fit in’ in the shower room after gym. Rachel did it to fit in, and because despite her natural red hair, the carpet didn’t match the drapes, having grown in a dull brown that she thought looked ugly.

Where her brother was cute, she was beautiful. They both knew it, but this was the first time her brother had seen it so fully. Her proportions were ‘porn star’ good, and her time on the school cheer squad and her dedication to a healthy diet helped keep it that way. Her waist was narrow and heir hips full. Her freckles, a curse of pale skin, went all the way down, and she watched as Daniel’s eyes drank it all in before her hands were again her own, one crossing over her breasts and the other pushing over her loins to hide herself as she squatted down defensively.

Daniel sighed and said, “Stand up straight and don’t cover yourself.”

Rachel bit her lower lip as her body did what her brother told her to do, despite her desires, standing up and dropping her arms to her sides to let him take in the full sight of her figure.

“Daniel...” she said as calmly as she could, “You can’t do this, Mom and Dad left me in char...”

“Say nothing until I say you can.” he told her while keying at the phone, cutting off her speech in mid word. “Look Rache, I’m in charge now... at least when Mom and Dad aren’t home. Now as much as I want to enjoy my control over you, I have a lot of programming before they get home tonight.”

Rachel blinked, he had asked her to help him on Friday night... that meant it was Monday morning already. She had been unconscious for two whole days.

“I think I have all the basics in place. I’ve been reading mind control porn online and trying to figure out all the places where the villain screws up. I’m not a bad guy, but...” he shrugged and turned back to his computer. “You can’t intentionally hurt me or yourself, or take any action that would intentionally cause harm to either of us. And you can’t tell anyone about the surgery I did, I’m figuring you can tell them that you hit your eye on a doorknob or something. If it works for spousal abuse, it ought to hold enough water here.”

Rachel shuddered and shook her head in disbelief. She wanted it all to be a dream, or a nightmare, but the fact that she was wide awake, her head throbbing in pain, and her body getting cold from being naked all pointed to it being true.

“Right now I can only make you respond to any command you hear, but I’m hoping that eventually I will be able to send you commands straight through the stimulator, that would be awesome! I mean, then you would never know if what you were doing was your idea, or if I put it there. Talk about hot...”

She listened to her brother ramble on about his plans and just shook from the realization of how much thought he had put into things. She could see the reflection of his face in his computer screen as he typed away at the software he was writing to control her body, his eyes flicking from the code to her, over and over, as he enjoyed the view of her own reflection.

Rachel stood still and silent as her brother worked, and he continued to talk about what he was doing, all the loopholes he had reasoned out and plugged up, talking with pride about how far he had thought out what he had planned. She glanced at the clock on the bedstand, biting her lower lip as she watched minutes trail off into hours. Her arms and legs ached from being still, and she had an itch on her cheek something horrible, but no matter what she tried, she couldn’t get herself to move from the position her brother had ordered her into, nor could she say anything.

Finally Daniel glanced at the clock on his computer screen and said, “Oh crap. They will be home any time now. You can talk now, and you can go get dressed, but no panties from now on. Ever. I want you to always be aware of my control over you. Got it?”

Rachel grit her teeth as she gathered up her clothes from the floor and ran back to her own bedroom. After three failed attempts to pull her panties on, she finally gave up and pulled on her jeans, squirming a bit at how the crotch seam bit into her intimate regions as she zipped and snapped the tight denim into place. She worked her bra back on, and then pulled her shirt on before collapsing on her bed with a groan.

Daniel managed to clean up the ice pack and garage before the parents got home, and he backed up Rachel’s story about slipping and hitting her head on the edge of the kitchen counter when it became clear that their parents thought she must have been out with friends. Rachel found she could only back up his embellishments as he made himself out to be the hero, caring for her in her injured state and leaving their parents impressed with his bout of responsibility.

Rachel didn’t get a lot of sleep that night, she usually slept in a t-shirt and panties, and being unable to wear panties was indeed a constant reminder of what her brother had done to her. Come morning, she groggily trudged her way through taking a shower and getting into her school uniform.

While the school wasn’t a Catholic or private school, it had adopted uniforms in a similar style after a slew of thefts and a few gang related fights. Neither Rachel nor Daniel had been a part of it, but as was usually the case, everyone paid for the mistakes of one or two losers.

The uniform consisted of a white cotton blouse, a knee length green plaid skirt and a charcoal gray blazer with the school crest on the left breast. The boy’s uniform changed out the skirt for gray slacks and a green plaid tie.

Rachel buttoned her blouse and stepped into her skirt, and once again spent several minutes trying to bring herself to put on a pair of panties. She could pull them from her drawer, but her body ignored her when she tried to hold them open and step into them. Even laying them open on the floor and stepping into the leg holes didn’t help, as she couldn’t actually bring herself to pull them up.

She gave a groan of frustration and went to her brother’s bedroom, pushing the door open without knocking.

Daniel looked up, not seeming overly surprised. He stood in his slacks, with his boyishly smooth chest exposed, and his dress shirt in hand, “What’s up Rache?”

She stepped into his bedroom and closed the door, wanting to shout at him, but the programming to keep things secret brought her voice out in a frustrated and angry whisper, “You need to fix this, right now. I need to be able to wear panties!”

Her brother grinned and said, “Hold still.” before stepping forward to flip up her skirt, spending a moment looking at her bare sex before letting her skirt drop again. “I think you are modest enough.”

Rachel wanted to slap him, or punch him, or something, but her body stayed obediently still, “This isn’t funny Daniel, I’ll get in trouble!”

“No you won’t Rache. No one needs to know, and even if they figure it out, the school dress code doesn’t actually cover underwear at all. There is nothing in the rules against walking around with just the skirt, because no one is supposed to look under it. Relax.”

That casual comment at the end seemed to overrule the command to hold still, and she slumped a bit before balling her hands into fists, “I still have to change for gym, everyone will see! And what about cheer practice?”

Daniel paused and pursed his lips in thought as she mentioned cheer practice, “Hmm, okay, fine. So long as you wear your entire cheer uniform, and nothing but your cheer uniform, you can wear the panty built into it, but you can’t wear an extra pair of panties under that.”

Rachel grit her teeth, the spandex panty for the cheer uniform was intended to go over another panty, to prevent camel toes and the like, she knew that it wasn’t going to be enough to keep her truly modest, “What about gym?”

“What about gym? Who knows, maybe you will start a new trend of girls going commando. That would be awesome!” he chuckled a bit, pulling on his shirt and buttoning it up. “I’m not letting you wear panties, no matter what you do, so get used to it.”

Rachel groaned, “Why are you doing this to me? I’m your sister!”

Daniel shrugged, “Why wouldn’t I do this to you? You’re hot, and you’re mine. If you had the chance to wrap some stud you liked around your finger, wouldn’t you?”

“It’s illegal, and immoral.” she pleaded.

Daniel sighed and shrugged again, “So? Look, Rache, you are one of the hottest girls in school, and you are supposed to be off limits to me just because we have the same parents? I won’t be getting you pregnant or anything, so there’s nothing to worry about, and in time I’m pretty sure I can make you like what I’m doing to you.”

“That doesn’t make it right...” she started to protest, and then stopped with a gasp, her eyes going wide as she realized what her brother had said, “You...”

“...intend to fuck you. Yes. Eventually. Don’t worry about it though, it isn’t like you can stop it. Just go with it, Rache.” he smirked, “Now, go get ready for school and let me finish getting ready so I can get breakfast before the bus comes.”

Rachel found herself walking out of his bedroom mechanically as she went about getting ready for school, putting on socks and her shoes, eating her breakfast and walking around the house with nothing but air between her legs. She applied an extra heavy layer of foundation to cover the black eye the best she could, not wanting to have to explain it further at school.

Waiting for the bus was even worse, as it was mid February, and decidedly cold out. She could feel every draft, and was intimately aware of any breeze that threatened to blow her skirt up. She mentally cursed the school for not allowing students with drivers licences to drive their own cars to school.

Daniel just smiled at her as they waited, the only other student at the stop who knew why she was uncomfortable.

She was acutely aware of her secretly naked plight through the whole of the day, but especially when gym class came around, and she had to change into her gym uniform in the locker room. A few girls did take notice that she lacked panties when she stripped down, and quickly brought it to the rest of the room’s attention. Unable to declare the real reason, Rachel was forced to make up a lie about feeling more comfortable that way, which was further backed up when she pulled on her loose gym shorts without putting panties on beneath it. She bit her lower lip when the shorts drew up into a wedgie almost instantly, trying to adjust them down and a bit looser.

All through gym, Rachel was aware that any boy looking from their side of the gym could possibly catch a peek as the loose but high legs of the shorts flopped about on her legs as she ran and exercised. It was almost a relief to be back in the skirt afterwards, and just have the cold draft to deal with.

Through the week, the story of Rachel’s decision to go ‘commando’ spread through the school, first through the girls, who weren’t surprised when she didn’t have panties on for cheer practice, and then eventually through the boys. On Friday, one boy even got suspended for pulling her skirt up to expose her bare ass cheeks to the world. This led to a humiliating lecture by the vice principal about the importance of modesty, and a call to her parents about her ‘uniform choice’, which led to her having to lie to them again, and endure their disappointment and disapproval, despite being unable to comply with their demands.

Daniel left her alone through the week, though every time she checked in on him, she found him at his computer, working on the program that she knew was linked to the device in her brain. It wasn’t until Friday evening, after the parents had gone to bed that he walked casually into her bedroom.

Rachel had already gotten ready for bed, and was in just a long t-shirt at the time, and when her brother boldly strode in, she gasped and glared at him, hissing in a whisper, “Get out...”

“No.” he grinned, holding up a box, “Here, go use this.”

Rachel glanced at the box and blushed deeply, he was holding an hot water bottle enema kit. “No... come on...” but her body was already taking the box from him as she started towards the door to her bedroom.

“Follow the instructions, and do it twice. I’ll be here when you’re done.” her brother said in a chipper tone, watching as she walked into the hallway, naked from the waist down and to the bathroom.

Rachel found herself reading the instructions on the box and following them verbatim, twice through, which was a humiliating and uncomfortable process. The hot water bottle was a two quart bag, and she was forced to endure the ache of her bowels and intestines being filled and stretched, followed by the humiliating experience of expelling the hot water with what it cleaned out of her body twice.

The instructions covered care and maintenance of the kit, and she followed those instructions twice as well, her bowels feeling empty and achy as she washed each piece twice and put it back in the box before returning with it to her brother in her bedroom.

“I want you to do this every night before bed from now on. I don’t want to risk getting you pregnant, so I’ll only be fucking your mouth and ass, and I don’t want it dirty back there... and considering I won’t be too particular about the order, you don’t want it dirty either.” he grinned at her and held up a bottle of lubricant, “This is for you. I have one in my bedroom too.”

Rachel shuddered at that pronouncement, shaking her head, “Please don’t do this...” even as she hid the enema kit and lubricant away in a place she knew her parents wouldn’t check.

Daniel shrugged and started to unbutton his pants, “Sorry Rache, I’m working on making you love it, so that it won’t upset you, but emotions are way harder to control than actions. I will probably need to insert a few more probes into your brain to really make you love being my slave.”

It was the first time that Daniel had referred to her as a slave, and the way he casually talked about changing her emotions and adding more things to her brain made her shudder in fear.

Rachel’s depressed thoughts were abruptly halted when Daniel’s cock bounced out of his boxer shorts as he pulled his pants down and off. Her eyes went wide as she stared at the disproportionate mass of flesh between her twelve year old brother’s legs. “Fuck... you’re huge!”

Daniel blinked and looked down at himself, then at his sister, “It’s no bigger than anyone else's...”

Rachel looked up from the erection to its owner and frowned at her brother, “What... you compare it with the other guys?”

Daniel shrugged, “I’ve looked around, everybody’s about the same size when we change clothes in the locker room.”

Rachel frowned at her brother and shook her head, she wasn’t a slut by any means, but she wasn’t a virgin either, and her brother was bigger than the two guys she had been with in the past by a matter of inches.

She had a sudden and unwelcome insight into the reason that their mother was probably with their father. Rachel and Daniel’s mother was brilliant and beautiful, and the CFO of a small corporation, where as their father was a well meaning thug of a man who worked in construction, not even a foreman, just a laborer. Rachel had always wondered what her mother had ever seen in him worth marrying him and starting a family, but if his son’s size at twelve was any indication...

Daniel watched his sister shudder and look a little green around the gills, “What?”

“Nothing...” Rachel muttered.

“Tell me, that’s an order.” Daniel said with a touch of frustrated anger, feeling slightly vulnerable with his junk out in front of his sister.

Rachel found herself speaking against her will, saying, “I was just wondering, if you are this big at twelve, how big is Dad?”

Daniel blinked, and then chuckled, “What... you want me to try to convince him to fuck you too?”

“No! Ugh... what’s wrong with you? No!” Rachel sputtered out in disgust.

Daniel grinned, “Well, whatever, enough talking for now anyway, it’s time for you to suck my cock.” he moved to sit on her bed and spread his legs, pointing to the floor, “Get on your knees and give me the best blowjob you know how to give. I want you to really put some effort into it.”

Rachel tried to resist the order, but her body moved on its own, slipping to her knees on the floor between her brother’s legs as her head went to his erection. Her hands reached out to grip his length, feeling the soft flesh and the heat of the blood pulsing just beneath the surface, and her eyes were drawn to the ruddy head that was just peeking out from under his uncut foreskin. She swallowed nervously once, and then felt her mouth open as wide as it could, and took several inches of his length in.

She could taste his musk and a bit of salty sweat, but was quickly thankful that her brother had good hygiene, as she had never been with an uncut boy before, but had heard about horrible flavors lingering under a foreskin. All she tasted was raw, aroused boy though, as her tongue curled around his hooded head once, and then dug under that stretched skin to circle his crown directly.

Her hands left his length to rest on his thighs as her head started to bob. She could only take a few inches of his length into her mouth before feeling him encroach on her gag reflex. Her tongue twisted and caressed, tracing the swollen veins that bulged from his flesh, and she suckled softly at what was in her mouth, doing her best to please him. The fact that she didn’t want to didn’t seem to matter at all. Her head bounced up and down, and her tongue worked almost frantically, trying to pleasure him.

She felt him wrap both hands into her copper-red hair, and he groaned out in pleasure before saying, “Deepthroat it.”

Rachel’s eyes almost bulged open at the order, but her body didn’t resist. He didn’t have to pull her hair or thrust his hips, she did all the work. She dove forward over his easily adult sized shaft, feeling it hit her gag reflex and slide right past, even as her guts churned and her neck burned with pain from the invasion. She pushed down until her nose was pressed to the still hairless flesh of his belly.

He held her there for several seconds, but to Rachel’s lurching stomach, it felt a lot longer. She could hear him groan and moan in pleasure as her muscles continuously tried to clear her airway by swallowing around him in a milking ripple. He finally pulled out of her throat by tugging back on her hair, letting her gasp in a shuddering breath around his cock before he pulled her forward again, setting a brisk pace as he closed his eyes and fucked her throat.

Rachel’s scalp ached from the jerking motions her brother used to control her, but it was nothing compared to the pain in her throat as he used her. She could do nothing but endure it, her body ignoring her every attempt to pull away or stop him. Her cheeks burned with a humiliated blush, and her eyes squeezed closed.

It was several minutes before Daniel pulled her head tight to his crotch, his balls pushed to her chin and her nose mashed against his belly, and she felt him start to cum. With him so deep in her throat, she couldn’t taste anything, which she was thankful for, she could just feel the swelling pulses of his cock in her throat as it twitched with each blast of cum. The unfortunate side of things was how long it took, and the fact that Rachel couldn’t breathe around the thick cock lodged in her throat.

He let go of her hair near the end of his climax, but the order to deepthroat him was still stuck in her brain, and try as she might, she couldn’t pull off that throbbing length. She shuddered as her lungs started to burn, sparkles starting to appear in the corner’s of her vision as she felt faint.

She was only saved from passing out by his cock growing too sensitive, at which point he grunted out, “Enough, get off...”

Rachel almost jerked back, coughing as soon as his cock was out of her mouth, little trails of spit still linking her lips to his flagging erection until the coughing and gasping for breath drew her too far away and they broke into droplets that fell to her carpet. She clutched her belly in one hand and her throat in the other, almost sobbing for breath, her eyes still tightly closed.

“Damnit you dork, I couldn’t breathe... I thought I was going to die...” Rachel croaked out in hoarse protest.

Daniel rolled his eyes, “You weren’t going to die.”

Rachel felt her whole body quiver and shake as she heaved for breath, “I couldn’t pull off you... I almost passed out!”

Daniel blinked, “Really?”

Rachel glared up at him, “Yes really, you asshole.”

She saw a cloud of different emotions wash across her brother’s face, and thought she saw some regret and shame in the mix. He stood and grabbed his pants and boxers and said, “Uh... I’ll be more careful next time.” before he retreated from her bedroom, leaving her in just her t-shirt, kneeling on the floor, with a belly full of his seed as she tried to catch her breath.

Rachel didn’t sleep well that night, and in the morning she almost trudged out to breakfast without remembering to pull on a pair of jeans, grumbling to herself as she stepped into the cold denim and felt it push up against her intimate flesh without any protection. She sighed and made her way out to breakfast, sitting down at the table and yawning into her hand.

Her father moved about, humming to himself as he made flapjacks, setting a plate of the fluffy golden disks down in front of her.

Rachel blinked and muttered, “Thanks.” blushing a bit as she realized that she was trying to gauge her father’s size by staring at his crotch.

“Sure thing Pumpkin.” he said, seeming clueless as to her stare, as he went back to cooking. He wasn’t a handsome man, his head was too square, his gut more of a keg than a six pack, and his hair receding badly, but he was heavily muscled everywhere that wasn’t padded with fat, and he was an excessively kind man.

Her mother clipped in on two inch heels that clacked against the hardwood floor as she walked. She looked perfect, as always, and could have been a model. She had an ample bust and hourglass curves that were kept in check by frequent time in the company gym. Her face was good enough for movies, and her amber hair was almost always perfectly styled. She was already dressed in a charcoal suit jacket and pencil skirt, and a mauve blouse, ready for a Saturday spent going over the books in the office.

Rachel frowned a little, “You have to work today?” she asked her mother. The older woman nodded as she took a plate with one single pancake on it, and made herself a yogurt smoothie.

Rachel’s father said, “I have to work today too, so you are in charge.”

Rachel sighed and nodded, knowing that as soon as both the parents were out of the house, any illusion of her being in charge would be gone.

Daniel didn’t even show up for breakfast, not dragging himself out of his bedroom until after both parents had already left. He went to the refrigerator and pulled out a few pancakes, not bothering to heat them up, as he just sat in front of the TV and ate them dry as though they were finger food. He had big dark circles under his eyes, and didn’t even bother to turn the TV on, just sitting silently and eating.

Rachel cleaned up the kitchen and then followed to the living room, “Mom and Dad are gone until dinner... you are at least going to do your own chores, right?”

Daniel glanced up at her, blinking a few times, “Huh... oh... no, you do them for me today. I was up all night programming.”

Rachel muttered a curse as her body started moving in response to the command, immediately leaving the room to start doing her brother’s chores. She at least managed to shout back at him, “You lazy little shit!”

She spent the whole of the morning doing his and her chores, starting with his. She took out the trash, mowed the lawn, and then cleaned his bedroom and made his bed, which she found humiliating. She then did the laundry and cleaned her own bedroom, scowling and cursing the whole time.

By the time she finished, Daniel was back in his bedroom, and she stormed to his door, throwing it open, “You little asshole! You can at least do your own chores!”

Daniel was back at his computer, “Yeah, yeah, yeah... sit down on the bed.”

She grit her teeth as she strode to his freshly made bed and sat down. “I’m serious, those chores are to teach you responsibility, and with you inventing mind control devices, you seriously need to learn some fucking responsibility!” With their parents gone, she could raise her voice about her frustrations, though she still couldn’t shout, that might let the neighbors hear.

“I am taking responsibility. That’s what I was doing all night. Tilt your head back and don’t move.” Daniel said tiredly.

Rachel grunted as her head dropped backwards, trying to watch as her brother plugged some sort of cable into the USB port of his computer. The other end had a tiny little port connector, like a micro port for cell phones, but smaller. It looked handmade, and the base was wrapped in electrical tape instead of molded plastic. “What’s that?”

Daniel didn’t answer, he just shifted to sit beside her on the bed and started to snake the cable up her nose, working it around with a long pair of tweezers and a small flashlight until she felt it click into something in her head, her body giving a small jerk, despite the order to keep still. He shifted back to his desk chair and hit a key on his computer, bringing up a download progress bar on the screen. Rachel scowled at the ceiling as she waited almost fifteen minutes for the download to finish before he pulled the cable out of her nose and said, “Okay, you can move now.”

Rachel shifted and lifted her head, rubbing at her neck, which ached from being bent backwards for so long, “What the hell was all that?”

Daniel shrugged, “An update. Pinch your bare nipple as hard as you can.”

Rachel’s right hand lifted under her t-shirt and bra to her left breast and took her nipple between her thumb and forefinger, “Damnit...” she cursed at her brother as she mashed down on the sensitive nub as hard as she could, actually crying out in pain as her eyes teared up, her whole body quivering as her other hand balled into a fist from the pain.

Daniel grinned a little as he watched, but finally said, “Okay, that’s enough.” he then said, “Now exhale fully, and don’t inhale.”

Rachel’s eyes went wide as she stared at her brother while exhaling sharply, driving as much air out of her lungs as she could. Within seconds her throat and lungs ached with the desire to heave in a breath, and as time slowly passed she could do nothing to relieve that burning ache and instinctual desire to breathe.

Her brother glanced at the clock on occasion, but mostly watched her.

Rachel started to feel faint, like she had the night before, with sparkles starting to flash in the corners of her vision, and she started worrying that he was going to let her suffocate, but then, without a single order from him, she suddenly heaved in a deep and blissful gulp of air, followed by several more before she once again exhaled and held it.

Daniel grinned a little, “Good. You can breathe normally now.”

Rachel heaved in again and tried to catch her breath, watching as her brother handed her a sharpened pencil.

“Stab yourself in the eye with this.” he said simply.

Rachel reflexively flinched, expecting a sudden surge of pain to follow as she winced back and cried out, “No!” but her hand didn’t move on its own, it just held the pencil, which after a moment she threw back at him, “Damnit, that wasn’t funny!”

“It wasn’t a joke, I was testing something. See, your old parameters were that you couldn’t bring harm yourself, but you had to follow orders, and I realized that you would do what I told you, even if it killed you. So I spent last night putting in safeties that will override my commands if they put you in harm’s way. You can cause yourself pain, you just can’t do anything that you know will injure you badly. The worst I could make you do is get someone to give you a piercing or a tattoo...” he smiled, satisfied with what he had done.

Rachel just glared at him, still angry.

“Look Rache, I don’t hate you... I actually do love you. I just really want to have you as my slave. I know it isn’t your thing, but...” he shrugged, “...frankly, you hating it is part of what makes it such a big turn on. For now at least. But that doesn’t mean I want to really hurt you, or cause you serious problems.”

“You will have to forgive me if I don’t find that touching after you raped my throat last night.” Rachel grumbled at her brother.

Daniel shrugged with a grin, “Okay, anyway, time for you to get naked. I have one more thing to test.”

Rachel felt herself stand up and start to strip down again, taking off her shirt and bra, and then kicking off her shoes and socks before pushing her pants down and off. She glared at her brother the whole time.

Once she was naked, Daniel picked up his cell phone and opened up his custom programmed application again, hitting an unlabeled button.

Rachel felt the results of that button instantly. She gave a gasp as her skin flushed and her nipples drew into painfully tight bumps atop her breasts, her breathing deepening as her thighs pushed together. Her hands moved to her crotch and she gave a deep groan, feeling an aching need well in the pit of her belly as she felt a trickle of hot fluid start to work its way down her thigh. “What the...” she gasped, blinking several times. She couldn’t ever remember being that horny in her life.

Rachel bit her lower lip and panted through her nose as she looked up at her brother, a clear look of shock and lust on her face.

Daniel grinned wide and said, “It works! I still can’t control your emotions, but lust isn’t really an emotion, so much as it is a function of hormones and brain chemistry. With the right brain stimulation, I can keep you horny forever!”

Rachel shuddered and snapped at her brother, “Turn it off!”

Daniel frowned and rolled his eyes, thumbing up a scroll bar and moving it from all the way to the right, to about the middle, and as his thumb moved the bar down, she felt her body cool in response. He then closed the application, leaving her ‘settings’ there.

She was still horny, the phrase ‘hornier than a teenage boy’ came to mind, but the ache in her belly was at least dialed back from ravenously needy. A blush crept in with the flush in her cheeks and she took several calming breaths, trying to ignore the burning need to masturbate right there in front of her brother.

“I’ll adjust it over the weekend to exactly where I want it, but this should be pretty close. Consider this your new ‘baseline’. From now on, you can only get hornier than you are now, not less. You’ll probably get used to it.” Daniel said with a self satisfied smile.

That done, Daniel ordered her onto the bed, face down. She complied, shuddering as he ordered her to raise her hips so he could shove his pillow under her. He then squirted some cold lube onto her asshole and unceremoniously shoved his finger into her butt to work it around. She knew what was coming, and as much as she hated it, with her arousal boosted, she still flushed and found herself half wanting to get fucked hard just to relieve the tension.

The first thrust of her brother’s cock into her ass left Rachel screaming into the bedcovers, it hurt, and he wasn’t gentle about it. The next several thrusts weren’t much better, but Rachel was horny enough that her body slowly betrayed her, and each thrust, each slap of his balls off her pussy, started to feel a little better than the last.

She was so humiliated that she started to sob into the bedding, tears flowing freely as her brother had his way with her ass. Her belly churned, unnaturally aroused and tense, as an unwanted orgasm slowly built up from his violations. She heard Daniel laugh as she climaxed, actually reaching her orgasm before his.

Daniel stopped moving in her ass, feeling her body spasm and twitch and clench around him, grinning ear to ear as he rubbed her hips, “Wow… anal sex is your thing, huh?” he asked as he pulled from her asshole with a wet sound.

Rachel made the mistake of opening her mouth and looking back at him to refute his statement, only to have him grab her by the hair and order, “Finish me in your mouth.” as he shifted and shoved his cock into her open maw.

She shuddered violently as he shoved in right to her gag reflex, tasting the lube, the bitter, earthy flavor of her ass, and the salt of his precum. She wanted to vomit, but instead her body started complying with her perverted brother’s demands as she fellated him, suckling and licking as he thrust at her mouth, taking him through the short trip the rest of the way to his climax, only to be rewarded with the flavor of his cum washing some of the bitterness out of her mouth.

Daniel flopped down on the bed beside her, panting to catch his breath, and then he stated casually, “Oh, I hope you’re bisexual… because you aren’t allowed to play with any dicks except mine. I don’t want you getting a boyfriend, pregnant, or some STD… you fucking other girls is cool though.”

The next couple of months were hard on Rachel. She had to abandon jeans all together, as her aroused pussy drooled constantly and would soak through the crotch too quickly, making a visible mark. That left her just wearing skirts and feeling the wind against her heated nethers in the school hallways. Her constant arousal left her smelling like a whore, so she got lots of attention from guys, which her brother’s commands left her unable to reciprocate. It didn’t help that every week her brother would turn her arousal up just a little more, telling her that eventually he figured she would feel normal at the maximum setting.

As for her brother, he was insatiable at home. Whenever he wasn’t programming, he was sneaking blowjobs or fucking her up the ass. He had her doing all the chores, even the ones usually reserved for their mom and dad, which their working parents loved, but she hated. Her grades suffered, because she couldn’t study, if she didn’t have a mop in her hands, she had her brother’s dick there, and as horny as she was, she needed to masturbate any time she managed to find a few minutes alone, in vain hopes of taking the edge off.

In the last month of school before summer vacation, Daniel seemed to get even more demanding and cruel. One Saturday he ordered her to strip naked and do her cheer routine in the backyard where anyone might see. No one saw, but it was mortifying for her all the same. One evening after school he ordered her to attach bull clips to her nipples and clit and hide them under her clothes until bed time. Taking them off proved to be far more painful than wearing them, and she barely managed to bite back a scream that would alert her parents to her situation. More than once in that time he had her masturbate or use toys while he filmed it on his laptop, claiming it was for ‘research’.

He even broke his promise about vaginal sex. In the last week of school he ordered her onto her back and made her spread her legs. She expected another masturbation session, or to be fucked in the ass, but instead he stripped naked and got on the bed, saying, “Alright, I want you to guide my dick to your pussy.”

She gasped out, “What… but you said you wouldn’t!” even as her hand grabbed his erection and guided it to her dripping wet pussy. She sobbed as he pushed inside her, both because it was a further violation, and because deep down she knew it felt so good that a big part of her loved it.

He hilted in her sex and held still, smiling down at her, “This feels good… if you weren’t my sister, we would be doing this all the time…” Then to her relief and dismay, he pulled free of her sex and shoved his dick into her ass, using only the lubrication his dick picked up from her sex to fuck her and blow his load in her butt.

Their parents took another long weekend trip at the start of summer, and as soon as they were gone, Daniel called Rachel into his bedroom. “Okay, strip and sit on the bed.”

Rachel complied silently, this sort of thing had become pretty normal.

“You’re going to be asleep most the weekend. I have to do some work on the DBS in your nose.” he then handed her a glass of water and a pill. “This is another roofie, go ahead and take it.”

Rachel sobbed as her hand trembled, lifting the pill to her mouth to set it on her tongue. She tried to fight it, knowing that if he wanted to do more upgrades, that probably meant a further loss to her free will, but it was useless. Her other hand lifted and with two gulps of water, the drug was swallowed down.

“Good.” he took the glass from her and said, “Lay down on the bed and get comfortable. I have to say, this experiment has been an unqualified success. I know this last month has been hard on you… I’ve been trying to push you until you stop obeying my orders.”

Rachel frowned at her brother, “Like I have a choice with this stupid thing in my head?”

Daniel grinned, “Well, that’s the thing, Rache, the glucose battery that powers that thing… it broke about five weeks ago. I was really freaked out at first, I was certain that you were going to start fighting me immediately. It really shocked me that you didn’t. So I started pushing things to see how far you would go, but apparently your brain just took over for the DBS when it broke.”

Rachel blinked, “What?”

Daniel chuckled, “For the last month, you’ve essentially been my slave by choice.”

“No…” Rachel shook her head, “That can’t be true, I’ve tried to fight you every time!”

“Oh, sure… consciously.” Daniel said with a shrug, “But your subconscious mind apparently prefers not to have free will. Easier to just do what I say. Face it, sis. With or without my technology, you’re just a little fuck slave.”

Rachel sobbed as the drug started to blur her vision. The last thing she heard before she passed out was her brother saying, “Anyway, I’m going to take the DBS out of your head, and once it’s repaired, maybe you can invite your friend Carol camping and we can start on a harem…”

Fin.

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