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It ends up being a bit more intense than he anticipated. ", "count": "2", "submission_left_submission_id": "3436724", "submission_left_file_name": "5230679_Skdadleskodle_sensitivity_experiments_pleasure_ver._.rtf", "submission_left_thumbnail_url_huge": "https://nl1.ib.metapix.net/thumbnails/huge/5230/5230679_Skdadleskodle_sensitivity_experiments_pleasure_ver._.jpg", "submission_left_thumbnail_url_large": "https://nl1.ib.metapix.net/thumbnails/large/5230/5230679_Skdadleskodle_sensitivity_experiments_pleasure_ver._.jpg", "submission_left_thumbnail_url_medium": "https://nl1.ib.metapix.net/thumbnails/medium/5230/5230679_Skdadleskodle_sensitivity_experiments_pleasure_ver._.jpg", "submission_left_thumb_huge_x": "300", "submission_left_thumb_huge_y": "299", "submission_left_thumb_large_x": "200", "submission_left_thumb_large_y": "199", "submission_left_thumb_medium_x": "120", "submission_left_thumb_medium_y": "120" } ], "description": "Hey everyone!\n\nIn today’s story, an unlucky tiger is asked to help his snake professor with a little experiment. Unbeknownst to him, it ends up being a bit more intense than he anticipated. It’s just a little one-off I threw together, so it’s fairly short.\n\nThere are two versions of this story. This is the pain version. It is a lot meaner, in that it contains cbt/ballbusting. A warning that this might be my meanest story yet, despite actually not being that intense in terms of busting.\n\nThe alternate version is focused on pleasure, and is the one with the happy ending.\n", "description_bbcode_parsed": "Hey everyone!

In today’s story, an unlucky tiger is asked to help his snake professor with a little experiment. Unbeknownst to him, it ends up being a bit more intense than he anticipated. It’s just a little one-off I threw together, so it’s fairly short.

There are two versions of this story. This is the pain version. It is a lot meaner, in that it contains cbt/ballbusting. A warning that this might be my meanest story yet, despite actually not being that intense in terms of busting.

The alternate version is focused on pleasure, and is the one with the happy ending.
", "writing": "Gabriel flexed, testing the metal clamps that held him down to the table. They were far too strong, he’d sooner break his arms than free himself. The ones that held his legs down were the same. The tiger was completely and utterly immobilized, a fact that was not helping his nervousness. He looked up at the woman that had put him in this predicament. “Hey uh, are you sure these are necessary?”\n\n“I don’t know how strong your reaction will be. I don’t want to risk getting injured,” the yellow snake waved his concern away. Wrapped in her lab coat, she paced back and forth, preparing to start her experiment. Her long tail dragged on the floor behind her, slithering along gracefully. He watched her, having nothing else to do. Though her outfit was not exactly form fitting, the way she kept bending over to type on her computer was a nice sight. Anything that could calm his nerves even a little bit was welcome.\n\nGabriel had had a crush on her for months, ever since he’d first started taking her chemistry class. People had told him that she was a boring professor, but he didn’t have a choice. He needed these credits, and she was the only one that taught this particular course. The snake was an odd character, to say the least. She was casual with her students, telling them to just call her by her name: Claudette. And, yet, she also always spoke like she viewed herself as above everyone, that their trivial lives didn’t matter to her. She was clearly extremely passionate with her work, yet from the way she talked, you’d have thought that she didn’t care about anything. Her science classes were boring, yes, but they were informative and easy. \n\nStill, as simple as the course was, the tiger was on the verge of flunking. No matter how hard he studied, he was just barely passing. If he was going to get a good grade, he’d need extra credit.\n\nTo his relief, Professor Claudette was willing to give this to him. All he had to do in exchange was assist the snake with her work. For the most part, this just involved helping her in her lab, after class. He’d just carry test tubes around, or read off some gauges, or measure stuff. The feline didn’t understand half of what they were doing, so he tried to pass the time by attempting to make conversation. This usually went nowhere. She wasn’t really a people person, a fact she openly admitted. If he asked a question, she’d give a short, blunt answer, then return to her work. If he tried to talk about movies, or the news, or anything in between, she’d just shrug and say that she didn’t watch television. The only thing that could really get her to talk was asking about her work, which would inevitably send her into a multi-hour speech.\n\nAll that to say, she didn’t start the conversation very often. Which is why the tiger had been so surprised when she randomly walked up to him this morning and asked to see his genitals.\n\nIt had taken a moment for him to respond to her completely normal request, unsure if he had heard her correctly. The snake repeated herself, motioning to his groin, “I need to examine your testicles.”\n\n“W-what? Why?” Gabriel asked, taking a step back in disbelief.\n\nSighing, she stated that she needed his balls for an experiment. He began to ask what kind of experiment, but she refused to elaborate. Knowing about it beforehand could change the results, she explained. The data she was looking for all hinged on his “unbiased reactions.” The tiger wasn’t really sure what this meant, but she eventually convinced him to pull down his pants. Promising that she’d give him an A for the whole course if he helped her today, she watched as he undid his belt and exposed himself.\n\nTruth be told, Gabriel was not opposed to showing his cock and balls to her. He wanted to do much more with them, in fact. It was just that his fantasy had always been just that: a fantasy. Never would he have expected to actually have a shot with his professor. Would he have fucked her right there, right then, if she had asked? Yes, without hesitation. But she wasn’t asking for that, she was just requesting to see him naked. A logical first step, he realized, but he never thought he even make it this far. Curious, and a little hopeful, he pulled out his dick and orange-furred nuts, hoping she wouldn’t be offended by his erection.\n\nIt seemed that she wasn’t, given the way that she immediately reached out to grab his sack with a scaly, yellow hand. Rolling the orbs around, so that she could get a good look at them, she compared their sizes against each other. Though her expression was completely neutral, she seemed to approve, adjusting her glasses as she spoke, “Ah, these are good specimens. They’ll work just fine.”\n\nIt took every ounce of willpower for him to not cum in her hand. He couldn’t believe this was actually happening. Claudette might have been a good bit older than him, but half the reason he did so badly in class was because he just couldn’t keep his eyes off of her. Her cute little fangs, the way her hood flared when she got excited over her experiments, she was just so damn pretty. And now she was actually offering to give him an A if she got to touch his cock and balls! He must have been dreaming, there was no way this was real.\n\nOverwhelmed by the amazing view of her face right next to his dick, he didn’t realize she was talking until she repeated herself. “I said follow me. I’ve been preparing for this for weeks, so I don’t wish to wait any longer.”\n\nAnd thus, Gabriel now found himself naked and strapped to a metal table. The snake was kinkier than he would’ve thought. He’d been tied down before, but not like this. The thought of what she was going to do to him was both exciting, and a little intimidating. Every time he tried to ask for an explanation, she just ignored him.\n\nFinally, after a few good minutes of typing, she moved to stand beside him. Holding up a small voice recorder, she spoke into it, “G.S.R. testing log, September twenty-first. Subject: Panthera tigris, male. Subject appears nervous, as evidenced by flicking whiskers and tail.”\n\n“You know I can hear you, right?”\n\n“Subject has successfully maintained an erection for twelve minutes, with no physical contact. All recording systems are ready, beginning control test.” With this, Claudette began to reach for his crotch, only to stop and pause. Her tail thumped against the floor as she considered something, turning to look him in the eye. “Do you want to look at my breasts?”\n\n“H-huh?” the tiger stuttered, unable to help himself from looking at her chest.\n\n“My breasts. Er, I believe people online call them ‘tits.’ According to my research, the sight of them makes males become aroused. Is this true for you?” She raised her hand to the top button of her coat as she said this.\n\nGabriel, trying not to sound too excited, said that he didn’t mind either way. Shrugging, the snake lowered her hand, keeping herself dressed.\n\n“Damn it,” Gabriel cursed himself in his head. He’d only said that because he didn’t want to be rude and sound like a horny pervert. In truth, he wanted to see them so, so much. But surely asking her to undress now would make him seem like even more of a perv. Those breasts were the focus of most of his fantasies. When he jerked off, he’d always imagine his professor wrapping her yellow tits around his cock, pumping until he painted them white. Were they as soft as a mammal’s? The feline had never been with a reptile before, and now it looked like it would be a while longer until he got that privilege. “Fuck, way to blow your shot, idiot.”\n\n\nSeemingly not realizing how disappointed the tiger was, Claudette slowly wrapped her fingers around his sack. She rubbed her thumbs along each ball, watching his face as she did so. Gabriel gave a small sigh, trying to thrust up into her touch. Satisfied at his reaction, she released her right hand, curling her index finger. With it, she gave his left nut a solid flick, right in the middle. He flinched, unsuccessfully attempting to close his legs as his eyes were torn from her boobs.\n\n“Ow! What was that for?” Gabriel asked, trying to maintain his composure. The snake responded with another flick to his other ball. He cringed again, pushing against the clamps. “Hey! Cut it out! What are you doing?”\n\n“Just relax, and please don’t hold back your reactions. If you can, please describe what you feel in as much detail as possible.”\n\n“Well, it hurts when you do that, first off.” Gabriel said with a huff. She nodded, giving him another flick. With another deep sigh, he rested his head back. Her hand brushed against the bottom of his shaft, prompting a tiny thrust to guide her attention upward. How many times had he stroked himself, imagining that it was her hand instead of his? He hadn’t counted, but it must have been a few dozen times. Most likely, he’d cum the second she touched it, but at this point he didn’t really care.\n\nThe tiger would never know how long he’d last, though, as all her attention was focused on his orange orbs. Bouncing and rolling the two spheres in her hands, Claudette leaned in, until he could feel her breath his sack. The sight was simultaneously amazing, and a little scary. That forked tongue would probably feel incredible licking all over his balls, but those sharp fangs made him unsure if they could even fit in her mouth.\n\nAs visions of her pleasuring him orally distracted him, Claudette got his nuts into position. Placing a thumb on one side of each nut, and fingers on the other, she looked up at him. Carefully, she put a tiny amount of pressure into them, massaging them in her hands.\n\n“That feels better,” Gabriel said, relaxing from those earlier flicks. Ball play wasn’t something that really interested him, but he didn’t mind. So long as she kept touching his junk, he’d go along with anything. \n\nOr so he thought.\n\n“More detail, please,” his professor instructed.\n\n“Um, I … I don’t know? It … it just feels good.” He shrugged, sneaking a glance at her chest.\n\n“I really need you to be more specific than that.”\n\n“It, uh, your hands feel nice when you caress my balls … or I guess I should say ‘testicles’ cause science. It’s just relaxing, I guess.”\n\n“Mmm, I see. And if I squeezed harder?” asked Claudette, casually. Not waiting for an answer, she increased the pressure a tad.\n\nThe feline frowned, tail curling slightly. “Ow, please don’t! They’re really sensitive, you know. You can’t just squeeze them like- GAAH!”\n\nWith a choked gasp, the tiger jerked. The table shook as he tried to bend in the middle, but the clamps held him down. Between his legs, the snake had suddenly bore down on her test subjects, pinching them as hard as she could. Her sharp nails sank into the rubbery orbs, nearly meeting in the middle. This, by itself, would have been horrible enough, had she not also begun wiggling her thumbs.\n\n“My apologies if my technique is not up to par,” Claudette spoke as she squeezed his tighter, “I’ve watched several tutorials online, but haven’t had a chance to practice before.”\n\nThough wracked with pain, Gabriel tried his best to not make any noise. Maybe he wanted to impress her by acting tough, or maybe it just hurt too much for him to have time to react. He couldn’t tell. Either way, he closed his eyes and tried to ignore the waves of sharp pain radiating from his groin. This got harder with each passing second, he wasn’t sure how much longer he (or his balls) could take this. She suddenly let go for a moment, giving them a chance to re-inflate a bit. But this relief was short lived, as Claudette began to jab her thumb into his nuts from different angles. Top, sides, bottom, she looked for the spot that gave the most. His dick rapidly softened, pointing upwards\n\nAs he opened his eyes, shocked that the pain could get worse, she cocked her head. “How does this feel?”\n\nThe poor tiger could only manage a shaky, incoherent whimper. “GHHHH, h-h-huurts!”\n\nHis professor seemed disappointed at this simple answer. Abruptly releasing his balls, she readjusted her grip. Grabbing his sack by the base, she held them firmly in place, preventing them from squirming away. His tail flicked over her hand, but it was too weak to do anything.\n\nSeveral seconds passed, finally giving him time to breathe. Thinking that she was finally done, Gabriel slumped back onto the table. He’d been hit in the nuts before, but this pain was far worse than any he’d endured before. No doubt the tiger would be walking funny for a week after this. That A seemed slightly less worth it now. Through clenched teeth, he began to ask the snake exactly what the hell she was testing. To his horror, just as he began to speak, she raised her fist in the air.\n\nThump!\n\nClaudette’s yellow, scaly knuckles smacked into his right nut. Trapped between her fist and other hand, it had no room to slide out of the way, taking the full force of the hit. A blast of pain ripped through him. Having already been softened up by her squeezing, his ball was fairly squishy, as evidenced by the indents her knuckles made in it. As his legs shook, she launched a second punch into the other ball. \n\nThump!\n\nHips bucking, he didn’t care if his ragged groans were embarrassing or not. His limbs strained against the metal clamps, his back arching as much as it could.\n\n“HHHURGGG!”\n\nThump!\n\nThump!\n\nThe agony doubled as she crushed his balls twice more. The snake was stronger than he’d thought, there was some real power behind those blows. Her aim was also very accurate, hitting each nut dead center, to maximize the force. Each blow sent what felt like a shockwave through his nuts, as if they were about to crumble completely. On the fourth hit, his flaccid cock throbbed, oozing a tiny bit of cum out of the tip. Fascinated by this, Claudette’s hood flared out in surprise.\n\nBetween pained gasps, he yelled for her to stop. She obeyed, mercifully letting go and allowing his orange nuts to smack onto the metal table. Casually, she stood up and grabbed her recorder. “Hmm, you didn’t react as strongly as I expected. In the videos I watched, males tended to scream and flail around more.”\n\nGabriel wanted to point out that those men probably weren’t strapped down, but he was too busy trying to fight the pain to speak. He kept trying to reach down and cup himself, forgetting the clamps. All he could manage was to curl his tail over his ballsack, which did little to ease the ache.\n\n“Which testicle hurts more, the left or right? Or are they the same?”\n\nIt took a while for him to respond. He hoped that answering would save his bollocks from further torment. “Ooh fuuuck … ghhh, t-the r-r-right one.”\n\n“And which hurt more, squeezing or punching?”\n\nTrying to calm down, Gabriel shook his head. “Hhrrgg, p-punch.”\n\nNodding, Claudette noted these answers into her recorder as she stepped away. “Control test results: Subject’s reaction was consistent with that of the typical male, but less intense. Subject claims that the pain is stronger in his right testicle, and that blunt force impacts felt worse than squeezing. Notably, subject also seemed to orgasm during the test.”\n\nGabriel said nothing. Waiting out the silence with several deep breaths, he watched as she grabbed a small flask, stirring it to make sure there were no bubbles. Placing it on a scale and checking the weight, she quickly typed something on her keyboard. Seemingly satisfied, she walked back to the table with it.\n\n“Now then, let’s begin the experiment.”\n\nThe feline’s face dropped. He could at least talk now, albeit with lots of groaning, “That wasn’t it?”\n\nThere was going to be more? Oh boy, this just kept getting worse by the second.\n\n“No, that was just a control test. I needed to see your reactions to regular pain first.” She placed her hand on his stretched out arm, leaning in until her tits were inches from his face. There was no way she wasn’t doing this on purpose, he thought.\n\n“What does that mean?”\n\n“Patience,” Clauduette repeated as she held up the flask to his mouth. She told him to drink it, which he did after some hesitation. The clear liquid had a strong, salty flavor. It tasted almost like, well, cum. With a grimace, he swallowed it down, and asked if it was some sort of pain reliever. Her face had no emotion as she spoke, “Of a sort.”\n\nBefore Gabriel could reply, a strange feeling seemed to wash over the tiger’s body. His head began to swim as something stirred deep in his pelvis. A warm pressure, traveling through his insides. He shuddered as it slowly shifted downward, until it reached the base of his balls. With eyes wide in surprise, he watched as the feeling engulfed his genitals. Within seconds, his kitten-makers felt like they were ballooning, until they felt nearly double in size. It was like the inside of his nuts were boiling, churning with pressure. He’d gotten some pretty bad blue-balls before, but this was way worse. Straining his neck to see, Gabriel half-expected his balls to explode from the pressure. Shockingly, the two orange spheres seemed perfectly fine, if a tad bigger than usual. The pressure kept building for a few more seconds, until, mercifully, it stopped. It took nearly a full minute for it to go away fully, but the pain hadn’t died down.\n\n“What the hell was that? It still hurts.”\n\nClaudette gently pushed his head back down, as she spoke into her recorder. “G.S.R. administered successfully. Testicles appeared to shift, and have moved to the bottom of the scrotum. Subject claims that the pain has neither worsened nor dissipated. Said subject seems disoriented, but otherwise alright. Beginning experiment proper.”\n\nGabriel was too focused on what just happened to hear anything she said. “It doesn’t feel any different … what was that stu- AAAAAH!”\n\nThe snake lightly flicked his nut. He instantly flinched, his limbs straining against the clamps as he tried to bend at the waist. An explosion of pain erupted from his groin, more intense than anything he’d ever felt in his life. Claudette took a step back at his reaction, watching as his cock throbbed violently. Panting, the tiger’s brain struggled to comprehend what just happened. Had she just punched him again? No, she couldn’t have, he saw that she didn’t. She hadn’t even really moved her hand. So why did it feel like she just slammed a sledgehammer into his crotch?\n\nBefore he could verbalize these questions, the reptile flicked his other nut. Immediately, he gasped again, body shuddering. That tiny smack utterly assaulted him with white hot pain. His balls (already sensitive from their recent scrambling), were barely even being hit, and yet those earlier punches paled in comparison to how horrible this felt.\n\n“Hmm, G.S.R. does not seem to be performing as anticipated,” Claudette said into the recorder. Unlike before, her tone was a lot more emotional and dejected. She was even fully frowning, a rare sight. “Subject is reacting much stronger to stimulation. Given the intensity of his spasming, it appears that the serum may actually be intensifying all pain. His pupils have dilated significantly, and he is breathing heavily. This prototype might be a failure, but I must run a few more tests to find out.”\n\nBoth his teeth and fists clenched as he took a deep breath. “What the fuck did you give me!?”\n\n“I call it the ‘Genital Sensitivity Reducer,’” she answered, “It’s a prototype serum I created that changes the way your brain receives and interprets signals sent from your testicles. It is supposed to decrease the intensity of all sensations by roughly three orders of magnitude! Additionally, it increased the body’s maximum pain tolerance, preventing forced unconsciousness, among other effects. Unfortunately, it seems to be doing the opposite now.”\n\n“W-w-what?” he asked, not catching a single word she said.\n\nIn a rare showing of emotion, Claudette rolled her eyes, her frill lowering. “How do I put this in even more simple terms? It … it makes it hurt more when I touch your ‘balls,’ and makes them more resistant to … um, ‘popping.’ It is not supposed to do this, mind you, but science isn’t always successful on the first attempt.”\n\nAs the snake spoke, she stabbed her fingers back into his balls. Her technique was exactly the same as before, but his reaction were much, much more intense. Instead of soft groans, the tiger full-on roared. Gabriel threw his head back, his tail and ears thrashing. He pushed against the clamps, but they held him tight, leaving him unable to move. The metal table began to shake against the floor as he desperately bucked. Pressing and grinding each ball against the other, she cocked her head.\n\nHis eyes began to roll back as he yelled out. “AAAH! Stop! I c-can’t! Oh fuuuuck! Wait!”\n\n“This is the first prototype formula I’ve gotten working,” she said, casually. She began with her thumb wiggles again. “I don’t believe in testing on myself, so you’re my first subject. The effects will wear off in a few hours, so I’m hoping to learn as much as I can before then. Maybe with enough data, I can fix whatever went wrong with the formula.”\n\nThe tiger replied with a series of incoherent cries. He could barely even breathe at this point. His mind just couldn’t handle the horrific, mind-destroying levels of agony that was bathing his lower half. The worst pain of his life didn’t even come close to matching this. Every pinch was a shockwave of testicular ache. Every twist of her hands was an incomprehensible, hellish explosion. It was too much. He couldn’t take any more. He just couldn’t.\n\nDespite his pleas, his professor didn’t slow down for a second. She continued to squeeze down, feeling his jewels quiver with every little movement of her hand. It had taken her nearly three years to get this serum working, she was going to make the most of it. That meant sinking her nails in deeper.\n\nThe tiger was far past roaring now. The pain was overwhelming him so much that he could do nothing but mewl. He couldn’t hear what she was saying, his brain couldn’t handle any other signals right now. He couldn’t even look down anymore, he was so exhausted. As her fingers pressed his nuts into her palms, the pain would burn even hotter. The sensation was multiplied with every squeeze, building upon itself over and over and over again. His arms and legs were starting to give out, and he was soon reduced to just lying there as she worked over his nuts. He didn’t even know it was possible for something to feel this bad. It shouldn’t have been possible. How had he blacked out yet? The ache continued to grow as she crushed his balls into an ever shrinking space. The sudden realization that she might actually pop them hit him like a truck. Would she actually do that? Would she be that cruel?\n\nAs these thoughts raced through his mind, she suddenly let go. Though this should have been a relief, his eyes grew wide in terror. If she was doing the same thing she did last time, then that meant-\n\nThump! Thump! Thump! Thump!\n\nAs his vision went white, his body stiffened, fists clenching so hard his claws nearly stabbed through his palms. The agony reached its crescendo, a point far beyond what his body could handle. Each punch was worse than the one before, far worse. He didn’t know what it felt like to get popped, but somehow he knew that he’d have preferred that to those last four hits. This couldn’t even be described as pain, it was far beyond that. His body jerked so hard that Claudette actually let go and jumped back, afraid that he might tear the clamps off.\n\nInstead, in a move that caught both of them off guard, his cock suddenly exploded. The biggest cumshot of his entire life erupted from the tip, his balls contracting hard. As his cock was aimed up at his face, it splattered across his stripped chest. A last attempt by his balls to spread their seed before they were turned to mush, perhaps. Or maybe she had pounded them so out of shape his cum had nowhere else to go. In any case, the front half of his orange body was completely painted white by a fountain of jizz. \n\nWaiting until Gabriel’s dick finished oozing cum (as she didn’t want to get any on her), Claudette leaned in, watching his bollocks move around in the sack. They seemed to quiver away from her, as if they were scared of her touch. Looking for her recorder to note this, the snake found that his spasming had knocked it to the floor. Had he the strength to turn his head, he would’ve had a perfect view of her ass as she bent over to grab it.\n\nThe poor boy was barely even conscious now. His limbs and tail were completely limp, eyes unfocused, tongue lolling out, and mouth slightly drooling. Mildly concerned, she quickly threw on a glove and placed her hand on his cum-soaked chest, feeling his heartbeat. No doubt he’d be unresponsive for a little while, the snake thought. She snapped her fingers in his face, causing his ears to twitch slightly. With this same hand, she poked his right nut, prompting a shallow breath to escape his mouth.\n\nHappy that he was still awake, she recorded her findings. “Test results: serum is, so far, a complete failure. Subject reacted so strongly that he nearly fainted, and his penis ejaculated as before … though it released far more than last time. I am unsure as to whether this serum also increases the rate at which semen is produced, or if this subject is displaying some form of unusual reflex to trauma. However, on a positive note: subject's testicles also seemed to be more 'elastic,’ for lack of a better term. I was able to push my fingers in significantly deeper than in the control test. This proves that the serum could work, given some minor changes to the formula. Additionally, given that the serum’s effects are focused on the testicles, let this be a reminder to perform tests on subject’s semen beforehand next time. Consistency, potency, etc.”\n\nGabriel couldn’t hear a word she said, he was too busy trying to recover from the mind-melting ache that had just wracked his body. He wouldn’t be able to form a coherent thought for a few more hours, at least. But, since his balls were still intact, his mental absence was admissible.\n\nAnd so, Claudette climbed up onto the table, balancing herself with her long tail. Wasting no time, she casually placed her foot atop his left ball. The assault the two orbs had just endured had made them swell a bit, allowing her to place her foot comfortably on the other ball. His eyes twitched, struggling to look up at her as his nuts began to flatten out under her weight. Within seconds, little orange bubbles began to squish between her toes, amplifying the pain a thousand-fold.\n\nShifting her weight back and forth as she began to bounce, she spoke into the recorder, “Initial trial complete, beginning test two of fourteen.” \n", "writing_bbcode_parsed": "Gabriel flexed, testing the metal clamps that held him down to the table. They were far too strong, he’d sooner break his arms than free himself. The ones that held his legs down were the same. The tiger was completely and utterly immobilized, a fact that was not helping his nervousness. He looked up at the woman that had put him in this predicament. “Hey uh, are you sure these are necessary?”

“I don’t know how strong your reaction will be. I don’t want to risk getting injured,” the yellow snake waved his concern away. Wrapped in her lab coat, she paced back and forth, preparing to start her experiment. Her long tail dragged on the floor behind her, slithering along gracefully. He watched her, having nothing else to do. Though her outfit was not exactly form fitting, the way she kept bending over to type on her computer was a nice sight. Anything that could calm his nerves even a little bit was welcome.

Gabriel had had a crush on her for months, ever since he’d first started taking her chemistry class. People had told him that she was a boring professor, but he didn’t have a choice. He needed these credits, and she was the only one that taught this particular course. The snake was an odd character, to say the least. She was casual with her students, telling them to just call her by her name: Claudette. And, yet, she also always spoke like she viewed herself as above everyone, that their trivial lives didn’t matter to her. She was clearly extremely passionate with her work, yet from the way she talked, you’d have thought that she didn’t care about anything. Her science classes were boring, yes, but they were informative and easy.

Still, as simple as the course was, the tiger was on the verge of flunking. No matter how hard he studied, he was just barely passing. If he was going to get a good grade, he’d need extra credit.

To his relief, Professor Claudette was willing to give this to him. All he had to do in exchange was assist the snake with her work. For the most part, this just involved helping her in her lab, after class. He’d just carry test tubes around, or read off some gauges, or measure stuff. The feline didn’t understand half of what they were doing, so he tried to pass the time by attempting to make conversation. This usually went nowhere. She wasn’t really a people person, a fact she openly admitted. If he asked a question, she’d give a short, blunt answer, then return to her work. If he tried to talk about movies, or the news, or anything in between, she’d just shrug and say that she didn’t watch television. The only thing that could really get her to talk was asking about her work, which would inevitably send her into a multi-hour speech.

All that to say, she didn’t start the conversation very often. Which is why the tiger had been so surprised when she randomly walked up to him this morning and asked to see his genitals.

It had taken a moment for him to respond to her completely normal request, unsure if he had heard her correctly. The snake repeated herself, motioning to his groin, “I need to examine your testicles.”

“W-what? Why?” Gabriel asked, taking a step back in disbelief.

Sighing, she stated that she needed his balls for an experiment. He began to ask what kind of experiment, but she refused to elaborate. Knowing about it beforehand could change the results, she explained. The data she was looking for all hinged on his “unbiased reactions.” The tiger wasn’t really sure what this meant, but she eventually convinced him to pull down his pants. Promising that she’d give him an A for the whole course if he helped her today, she watched as he undid his belt and exposed himself.

Truth be told, Gabriel was not opposed to showing his cock and balls to her. He wanted to do much more with them, in fact. It was just that his fantasy had always been just that: a fantasy. Never would he have expected to actually have a shot with his professor. Would he have fucked her right there, right then, if she had asked? Yes, without hesitation. But she wasn’t asking for that, she was just requesting to see him naked. A logical first step, he realized, but he never thought he even make it this far. Curious, and a little hopeful, he pulled out his dick and orange-furred nuts, hoping she wouldn’t be offended by his erection.

It seemed that she wasn’t, given the way that she immediately reached out to grab his sack with a scaly, yellow hand. Rolling the orbs around, so that she could get a good look at them, she compared their sizes against each other. Though her expression was completely neutral, she seemed to approve, adjusting her glasses as she spoke, “Ah, these are good specimens. They’ll work just fine.”

It took every ounce of willpower for him to not cum in her hand. He couldn’t believe this was actually happening. Claudette might have been a good bit older than him, but half the reason he did so badly in class was because he just couldn’t keep his eyes off of her. Her cute little fangs, the way her hood flared when she got excited over her experiments, she was just so damn pretty. And now she was actually offering to give him an A if she got to touch his cock and balls! He must have been dreaming, there was no way this was real.

Overwhelmed by the amazing view of her face right next to his dick, he didn’t realize she was talking until she repeated herself. “I said follow me. I’ve been preparing for this for weeks, so I don’t wish to wait any longer.”

And thus, Gabriel now found himself naked and strapped to a metal table. The snake was kinkier than he would’ve thought. He’d been tied down before, but not like this. The thought of what she was going to do to him was both exciting, and a little intimidating. Every time he tried to ask for an explanation, she just ignored him.

Finally, after a few good minutes of typing, she moved to stand beside him. Holding up a small voice recorder, she spoke into it, “G.S.R. testing log, September twenty-first. Subject: Panthera tigris, male. Subject appears nervous, as evidenced by flicking whiskers and tail.”

“You know I can hear you, right?”

“Subject has successfully maintained an erection for twelve minutes, with no physical contact. All recording systems are ready, beginning control test.” With this, Claudette began to reach for his crotch, only to stop and pause. Her tail thumped against the floor as she considered something, turning to look him in the eye. “Do you want to look at my breasts?”

“H-huh?” the tiger stuttered, unable to help himself from looking at her chest.

“My breasts. Er, I believe people online call them ‘tits.’ According to my research, the sight of them makes males become aroused. Is this true for you?” She raised her hand to the top button of her coat as she said this.

Gabriel, trying not to sound too excited, said that he didn’t mind either way. Shrugging, the snake lowered her hand, keeping herself dressed.

“Damn it,” Gabriel cursed himself in his head. He’d only said that because he didn’t want to be rude and sound like a horny pervert. In truth, he wanted to see them so, so much. But surely asking her to undress now would make him seem like even more of a perv. Those breasts were the focus of most of his fantasies. When he jerked off, he’d always imagine his professor wrapping her yellow tits around his cock, pumping until he painted them white. Were they as soft as a mammal’s? The feline had never been with a reptile before, and now it looked like it would be a while longer until he got that privilege. “Fuck, way to blow your shot, idiot.”


Seemingly not realizing how disappointed the tiger was, Claudette slowly wrapped her fingers around his sack. She rubbed her thumbs along each ball, watching his face as she did so. Gabriel gave a small sigh, trying to thrust up into her touch. Satisfied at his reaction, she released her right hand, curling her index finger. With it, she gave his left nut a solid flick, right in the middle. He flinched, unsuccessfully attempting to close his legs as his eyes were torn from her boobs.

“Ow! What was that for?” Gabriel asked, trying to maintain his composure. The snake responded with another flick to his other ball. He cringed again, pushing against the clamps. “Hey! Cut it out! What are you doing?”

“Just relax, and please don’t hold back your reactions. If you can, please describe what you feel in as much detail as possible.”

“Well, it hurts when you do that, first off.” Gabriel said with a huff. She nodded, giving him another flick. With another deep sigh, he rested his head back. Her hand brushed against the bottom of his shaft, prompting a tiny thrust to guide her attention upward. How many times had he stroked himself, imagining that it was her hand instead of his? He hadn’t counted, but it must have been a few dozen times. Most likely, he’d cum the second she touched it, but at this point he didn’t really care.

The tiger would never know how long he’d last, though, as all her attention was focused on his orange orbs. Bouncing and rolling the two spheres in her hands, Claudette leaned in, until he could feel her breath his sack. The sight was simultaneously amazing, and a little scary. That forked tongue would probably feel incredible licking all over his balls, but those sharp fangs made him unsure if they could even fit in her mouth.

As visions of her pleasuring him orally distracted him, Claudette got his nuts into position. Placing a thumb on one side of each nut, and fingers on the other, she looked up at him. Carefully, she put a tiny amount of pressure into them, massaging them in her hands.

“That feels better,” Gabriel said, relaxing from those earlier flicks. Ball play wasn’t something that really interested him, but he didn’t mind. So long as she kept touching his junk, he’d go along with anything.

Or so he thought.

“More detail, please,” his professor instructed.

“Um, I … I don’t know? It … it just feels good.” He shrugged, sneaking a glance at her chest.

“I really need you to be more specific than that.”

“It, uh, your hands feel nice when you caress my balls … or I guess I should say ‘testicles’ cause science. It’s just relaxing, I guess.”

“Mmm, I see. And if I squeezed harder?” asked Claudette, casually. Not waiting for an answer, she increased the pressure a tad.

The feline frowned, tail curling slightly. “Ow, please don’t! They’re really sensitive, you know. You can’t just squeeze them like- GAAH!”

With a choked gasp, the tiger jerked. The table shook as he tried to bend in the middle, but the clamps held him down. Between his legs, the snake had suddenly bore down on her test subjects, pinching them as hard as she could. Her sharp nails sank into the rubbery orbs, nearly meeting in the middle. This, by itself, would have been horrible enough, had she not also begun wiggling her thumbs.

“My apologies if my technique is not up to par,” Claudette spoke as she squeezed his tighter, “I’ve watched several tutorials online, but haven’t had a chance to practice before.”

Though wracked with pain, Gabriel tried his best to not make any noise. Maybe he wanted to impress her by acting tough, or maybe it just hurt too much for him to have time to react. He couldn’t tell. Either way, he closed his eyes and tried to ignore the waves of sharp pain radiating from his groin. This got harder with each passing second, he wasn’t sure how much longer he (or his balls) could take this. She suddenly let go for a moment, giving them a chance to re-inflate a bit. But this relief was short lived, as Claudette began to jab her thumb into his nuts from different angles. Top, sides, bottom, she looked for the spot that gave the most. His dick rapidly softened, pointing upwards

As he opened his eyes, shocked that the pain could get worse, she cocked her head. “How does this feel?”

The poor tiger could only manage a shaky, incoherent whimper. “GHHHH, h-h-huurts!”

His professor seemed disappointed at this simple answer. Abruptly releasing his balls, she readjusted her grip. Grabbing his sack by the base, she held them firmly in place, preventing them from squirming away. His tail flicked over her hand, but it was too weak to do anything.

Several seconds passed, finally giving him time to breathe. Thinking that she was finally done, Gabriel slumped back onto the table. He’d been hit in the nuts before, but this pain was far worse than any he’d endured before. No doubt the tiger would be walking funny for a week after this. That A seemed slightly less worth it now. Through clenched teeth, he began to ask the snake exactly what the hell she was testing. To his horror, just as he began to speak, she raised her fist in the air.

Thump!

Claudette’s yellow, scaly knuckles smacked into his right nut. Trapped between her fist and other hand, it had no room to slide out of the way, taking the full force of the hit. A blast of pain ripped through him. Having already been softened up by her squeezing, his ball was fairly squishy, as evidenced by the indents her knuckles made in it. As his legs shook, she launched a second punch into the other ball.

Thump!

Hips bucking, he didn’t care if his ragged groans were embarrassing or not. His limbs strained against the metal clamps, his back arching as much as it could.

“HHHURGGG!”

Thump!

Thump!

The agony doubled as she crushed his balls twice more. The snake was stronger than he’d thought, there was some real power behind those blows. Her aim was also very accurate, hitting each nut dead center, to maximize the force. Each blow sent what felt like a shockwave through his nuts, as if they were about to crumble completely. On the fourth hit, his flaccid cock throbbed, oozing a tiny bit of cum out of the tip. Fascinated by this, Claudette’s hood flared out in surprise.

Between pained gasps, he yelled for her to stop. She obeyed, mercifully letting go and allowing his orange nuts to smack onto the metal table. Casually, she stood up and grabbed her recorder. “Hmm, you didn’t react as strongly as I expected. In the videos I watched, males tended to scream and flail around more.”

Gabriel wanted to point out that those men probably weren’t strapped down, but he was too busy trying to fight the pain to speak. He kept trying to reach down and cup himself, forgetting the clamps. All he could manage was to curl his tail over his ballsack, which did little to ease the ache.

“Which testicle hurts more, the left or right? Or are they the same?”

It took a while for him to respond. He hoped that answering would save his bollocks from further torment. “Ooh fuuuck … ghhh, t-the r-r-right one.”

“And which hurt more, squeezing or punching?”

Trying to calm down, Gabriel shook his head. “Hhrrgg, p-punch.”

Nodding, Claudette noted these answers into her recorder as she stepped away. “Control test results: Subject’s reaction was consistent with that of the typical male, but less intense. Subject claims that the pain is stronger in his right testicle, and that blunt force impacts felt worse than squeezing. Notably, subject also seemed to orgasm during the test.”

Gabriel said nothing. Waiting out the silence with several deep breaths, he watched as she grabbed a small flask, stirring it to make sure there were no bubbles. Placing it on a scale and checking the weight, she quickly typed something on her keyboard. Seemingly satisfied, she walked back to the table with it.

“Now then, let’s begin the experiment.”

The feline’s face dropped. He could at least talk now, albeit with lots of groaning, “That wasn’t it?”

There was going to be more? Oh boy, this just kept getting worse by the second.

“No, that was just a control test. I needed to see your reactions to regular pain first.” She placed her hand on his stretched out arm, leaning in until her tits were inches from his face. There was no way she wasn’t doing this on purpose, he thought.

“What does that mean?”

“Patience,” Clauduette repeated as she held up the flask to his mouth. She told him to drink it, which he did after some hesitation. The clear liquid had a strong, salty flavor. It tasted almost like, well, cum. With a grimace, he swallowed it down, and asked if it was some sort of pain reliever. Her face had no emotion as she spoke, “Of a sort.”

Before Gabriel could reply, a strange feeling seemed to wash over the tiger’s body. His head began to swim as something stirred deep in his pelvis. A warm pressure, traveling through his insides. He shuddered as it slowly shifted downward, until it reached the base of his balls. With eyes wide in surprise, he watched as the feeling engulfed his genitals. Within seconds, his kitten-makers felt like they were ballooning, until they felt nearly double in size. It was like the inside of his nuts were boiling, churning with pressure. He’d gotten some pretty bad blue-balls before, but this was way worse. Straining his neck to see, Gabriel half-expected his balls to explode from the pressure. Shockingly, the two orange spheres seemed perfectly fine, if a tad bigger than usual. The pressure kept building for a few more seconds, until, mercifully, it stopped. It took nearly a full minute for it to go away fully, but the pain hadn’t died down.

“What the hell was that? It still hurts.”

Claudette gently pushed his head back down, as she spoke into her recorder. “G.S.R. administered successfully. Testicles appeared to shift, and have moved to the bottom of the scrotum. Subject claims that the pain has neither worsened nor dissipated. Said subject seems disoriented, but otherwise alright. Beginning experiment proper.”

Gabriel was too focused on what just happened to hear anything she said. “It doesn’t feel any different … what was that stu- AAAAAH!”

The snake lightly flicked his nut. He instantly flinched, his limbs straining against the clamps as he tried to bend at the waist. An explosion of pain erupted from his groin, more intense than anything he’d ever felt in his life. Claudette took a step back at his reaction, watching as his cock throbbed violently. Panting, the tiger’s brain struggled to comprehend what just happened. Had she just punched him again? No, she couldn’t have, he saw that she didn’t. She hadn’t even really moved her hand. So why did it feel like she just slammed a sledgehammer into his crotch?

Before he could verbalize these questions, the reptile flicked his other nut. Immediately, he gasped again, body shuddering. That tiny smack utterly assaulted him with white hot pain. His balls (already sensitive from their recent scrambling), were barely even being hit, and yet those earlier punches paled in comparison to how horrible this felt.

“Hmm, G.S.R. does not seem to be performing as anticipated,” Claudette said into the recorder. Unlike before, her tone was a lot more emotional and dejected. She was even fully frowning, a rare sight. “Subject is reacting much stronger to stimulation. Given the intensity of his spasming, it appears that the serum may actually be intensifying all pain. His pupils have dilated significantly, and he is breathing heavily. This prototype might be a failure, but I must run a few more tests to find out.”

Both his teeth and fists clenched as he took a deep breath. “What the fuck did you give me!?”

“I call it the ‘Genital Sensitivity Reducer,’” she answered, “It’s a prototype serum I created that changes the way your brain receives and interprets signals sent from your testicles. It is supposed to decrease the intensity of all sensations by roughly three orders of magnitude! Additionally, it increased the body’s maximum pain tolerance, preventing forced unconsciousness, among other effects. Unfortunately, it seems to be doing the opposite now.”

“W-w-what?” he asked, not catching a single word she said.

In a rare showing of emotion, Claudette rolled her eyes, her frill lowering. “How do I put this in even more simple terms? It … it makes it hurt more when I touch your ‘balls,’ and makes them more resistant to … um, ‘popping.’ It is not supposed to do this, mind you, but science isn’t always successful on the first attempt.”

As the snake spoke, she stabbed her fingers back into his balls. Her technique was exactly the same as before, but his reaction were much, much more intense. Instead of soft groans, the tiger full-on roared. Gabriel threw his head back, his tail and ears thrashing. He pushed against the clamps, but they held him tight, leaving him unable to move. The metal table began to shake against the floor as he desperately bucked. Pressing and grinding each ball against the other, she cocked her head.

His eyes began to roll back as he yelled out. “AAAH! Stop! I c-can’t! Oh fuuuuck! Wait!”

“This is the first prototype formula I’ve gotten working,” she said, casually. She began with her thumb wiggles again. “I don’t believe in testing on myself, so you’re my first subject. The effects will wear off in a few hours, so I’m hoping to learn as much as I can before then. Maybe with enough data, I can fix whatever went wrong with the formula.”

The tiger replied with a series of incoherent cries. He could barely even breathe at this point. His mind just couldn’t handle the horrific, mind-destroying levels of agony that was bathing his lower half. The worst pain of his life didn’t even come close to matching this. Every pinch was a shockwave of testicular ache. Every twist of her hands was an incomprehensible, hellish explosion. It was too much. He couldn’t take any more. He just couldn’t.

Despite his pleas, his professor didn’t slow down for a second. She continued to squeeze down, feeling his jewels quiver with every little movement of her hand. It had taken her nearly three years to get this serum working, she was going to make the most of it. That meant sinking her nails in deeper.

The tiger was far past roaring now. The pain was overwhelming him so much that he could do nothing but mewl. He couldn’t hear what she was saying, his brain couldn’t handle any other signals right now. He couldn’t even look down anymore, he was so exhausted. As her fingers pressed his nuts into her palms, the pain would burn even hotter. The sensation was multiplied with every squeeze, building upon itself over and over and over again. His arms and legs were starting to give out, and he was soon reduced to just lying there as she worked over his nuts.  He didn’t even know it was possible for something to feel this bad. It shouldn’t have been possible. How had he blacked out yet? The ache continued to grow as she crushed his balls into an ever shrinking space. The sudden realization that she might actually pop them hit him like a truck. Would she actually do that? Would she be that cruel?

As these thoughts raced through his mind, she suddenly let go. Though this should have been a relief, his eyes grew wide in terror. If she was doing the same thing she did last time, then that meant-

Thump! Thump! Thump! Thump!

As his vision went white, his body stiffened, fists clenching so hard his claws nearly stabbed through his palms. The agony reached its crescendo, a point far beyond what his body could handle. Each punch was worse than the one before, far worse. He didn’t know what it felt like to get popped, but somehow he knew that he’d have preferred that to those last four hits. This couldn’t even be described as pain, it was far beyond that. His body jerked so hard that Claudette actually let go and jumped back, afraid that he might tear the clamps off.

Instead, in a move that caught both of them off guard, his cock suddenly exploded. The biggest cumshot of his entire life erupted from the tip, his balls contracting hard. As his cock was aimed up at his face, it splattered across his stripped chest. A last attempt by his balls to spread their seed before they were turned to mush, perhaps. Or maybe she had pounded them so out of shape his cum had nowhere else to go. In any case, the front half of his orange body was completely painted white by a fountain of jizz.

Waiting until Gabriel’s dick finished oozing cum (as she didn’t want to get any on her), Claudette leaned in, watching his bollocks move around in the sack. They seemed to quiver away from her, as if they were scared of her touch. Looking for her recorder to note this, the snake found that his spasming had knocked it to the floor. Had he the strength to turn his head, he would’ve had a perfect view of her ass as she bent over to grab it.

The poor boy was barely even conscious now. His limbs and tail were completely limp, eyes unfocused, tongue lolling out, and mouth slightly drooling. Mildly concerned, she quickly threw on a glove and placed her hand on his cum-soaked chest, feeling his heartbeat. No doubt he’d be unresponsive for a little while, the snake thought. She snapped her fingers in his face, causing his ears to twitch slightly. With this same hand, she poked his right nut, prompting a shallow breath to escape his mouth.

Happy that he was still awake, she recorded her findings. “Test results: serum is, so far, a complete failure. Subject reacted so strongly that he nearly fainted, and his penis ejaculated as before … though it released far more than last time. I am unsure as to whether this serum also increases the rate at which semen is produced, or if this subject is displaying some form of unusual reflex to trauma. However, on a positive note: subject's testicles also seemed to be more 'elastic,’ for lack of a better term. I was able to push my fingers in significantly deeper than in the control test. This proves that the serum could work, given some minor changes to the formula. Additionally, given that the serum’s effects are focused on the testicles, let this be a reminder to perform tests on subject’s semen beforehand next time. Consistency, potency, etc.”

Gabriel couldn’t hear a word she said, he was too busy trying to recover from the mind-melting ache that had just wracked his body. He wouldn’t be able to form a coherent thought for a few more hours, at least. But, since his balls were still intact, his mental absence was admissible.

And so, Claudette climbed up onto the table, balancing herself with her long tail. Wasting no time, she casually placed her foot atop his left ball. The assault the two orbs had just endured had made them swell a bit, allowing her to place her foot comfortably on the other ball. His eyes twitched, struggling to look up at her as his nuts began to flatten out under her weight. Within seconds, little orange bubbles began to squish between her toes, amplifying the pain a thousand-fold.

Shifting her weight back and forth as she began to bounce, she spoke into the recorder, “Initial trial complete, beginning test two of fourteen.”
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