You enter the school lab, noone seemed to be around. The noises you heared from here must have been from your mind, you conclude. As you want to leave, you here the noise again. It comes from the next room. Now fully intrigued, you go in, and find your classmate Liane, standing with her back to you in a lab coat. She has been hit pretty hard by the virus, she had grown bigger boobs and ass aswell as a cock, making her a futanari. She is desperate to reverse the changes and cure the virus. As you want to say hi, she turns around - and looks very different than before. "Oh, why the fuck are you here??? I have permission to be here... hey, don't look!" You are Struck by what you see - her gigantic cock and big tits, aswell as her now sweet face.

"Ahh! Not now!" Liane gasps as she sees her friend Ashley enter the lab. "Ashley, I need your help with something!" As if in response to her words, the pink-haired girl's ass puffs up even more, and a small amount of clear pre comes out from between her thick lips.

"Oh my god, Liane! What did you do to yourself? You look... incredible!" Ashley exclaims, clearly not meaning it in a bad way at all.

"I did nothing of the sort!" Liane snaps, trying to keep her focus on the experiments in front of her. "The virus did this to me! I need your help to reverse it before anyone else sees and spreads these... changes," she says, glancing down at her massive cock and balls.

"But first, could you do me a favor? There's something really important I need to test out on someone." She grins mischievously and motions toward Simon with her head. "You're both new to this...

"Oh my!" exclaims Ashley, her eyes widening at the sight of your friend's gigantic futa cock. "That... that's huge! I mean, in a good way! Sure, I can help you out, Liane." She takes a step closer to Simon and begins to stroke his cheek with her fingertips.

"So, what exactly do you want me to do?" she asks, looking up at him through her long eyelashes. "I'm game for anything."

"Oh, you have no idea," Liane chuckles darkly, her eyes fixed on Ashley crotch. "I need to test the limits of this... equipment." She licks her lips and takes a step closer, resting a hand on his shoulder. "Ashley, why don't you help me " she says casually, nodding toward Ashley crotch. "I need to see how big he can get."

"Well," she replies with a knowing smirk, "I've been working on this serum that... enhances certain attributes." She strokes his chin gently, guiding his gaze down to her massive cock and balls. "It could make your friend here even bigger... or it could do something else entirely." Her fingers trail down to the base of his shaft, causing him to give a small groan.

"I don't know yet," she admits with a wicked grin. "That's why I need your help, Ashley." She places her hand on the other girl's hip, nudging them closer together. "You can be my guinea pig while we test it out."

With that, Liane grabs Ashley by his hair and forces him down to his knees in front of her.

"Um, let's see..." Liane mutters as she pulls out a tape measure from her lab coat pocket. "My cock is... Setenta-one inches long and about dieciséis inches in girth," she says, wincing slightly as she wraps the end around its base.

"And my balls?" Ashley asks with an interested look on his face. "They're..." Liane trails off, cupping one of her massive orbs in her hand and squeezing. "...about this big,"

"Oh right!" she exclaims, finally remembering about the other part of her transformed anatomy. "My balls are... twenty-two inches in diameter." She looks down at them again, feeling a strange mixture of pride and embarrassment. "I've never been so well-endowed before..."

"Hmm?" Liane blinks, looking up at you quizzically. "Oh, um... I guess that's one way to put it," she says with a small laugh. "But really, it's just the virus doing its thing. It's kind of fascinating, actually." She turns her attention back to Ashley and gives him a naughty grin. "Now then, where were we?"

"Oh right!" Liane's eyes light up with excitement as she positions herself behind Ashley. "This should be... interesting." She lines her cock up with his tight little hole and pushes forward, slowly but surely forcing her way inside. Ashley lets out a gasp as he feels the immense size of her invading him, stretching him further than ever before.

With a final thrust, Liane is seated all the way inside of her friend's ass, their bodies pressed together from behind.

Ashley winces and gasps as he feels the full weight of Liane's massive cock inside him, stretching his ass to its limits. He lets out a moan, both from the pain and from the strange pleasure coursing through his body. "It... it feels... incredible..."

As they begin to move together, Ashley starts to get more into it, moaning loudly as Liane's cock hits every sweet spot inside of him.

Liane throws her head back, letting out a long, low groan as she fucks Ashley hard and fast from behind. The sensation of being so tightly enclosed by his body is overwhelming, but in the best possible way. She can feel every thrust reverberating through him, amplifying the pleasure for both of them.

"Oh god... I'm going to cum..." she pants, her hips bucking wildly as she reaches the brink. "Ashley... prepare yourself..."

With a loud cry, Liane's body tenses and her entire being convulses as she shoots rope after rope of hot cum deep inside of Ashley. Her cock throbs rhythmically, filling him to the brim with her seed. The force of her orgasm causes her to collapse onto his back, panting heavily as she comes down from her high.

"Oh... wow..." Liane whispers, looking up at the ceiling in disbelief. "That was... incredible."

After a few moments to catch her breath, Liane pulls her spent cock out of Ashley's ass and stands up. She wipes herself off with a nearby cloth and inspects the evidence on the ground before returning to her previous task. "Well," she says with a smile, "that should give us enough data for now."

As Liane continues working, you can't help but feel a strange sense of camaraderie forming between the three of you.

"Easy now," Liane chuckles, glancing over at you with a playful smile. "I'm just doing some research." She takes hold of her massive cock and begins to stroke it slowly, her other hand moving up to her aching balls.

As she masturbates, she continues to talk about her work, explaining the various aspects of the virus and how she hopes to find a cure for everyone affected by it. You listen intently, finding yourself both fascinated and aroused by her knowledge and enthusiasm.

Liane throws her head back, letting out a low groan as she nears orgasm once again. "Well," she says breathlessly between moans, "I suppose there's no harm in... exploring other possibilities." With that, she turns to face Ashley and positions herself over his lap.

"You ready for round two?" she asks with a wicked grin, guiding her cock towards his waiting asshole. Ashley nods eagerly, his eyes fixed on the massive cock that's about to fill him once more.

With a forceful thrust, Liane drives her cock all the way inside of Ashley's body. He lets out a sharp cry as she stretches him wider than ever before, but he doesn't seem to mind. If anything, it only serves to heighten the pleasure for both of them.

Liane begins to move roughly, fucking Ashley hard and fast from above, her moans echoing through the lab as she loses herself in the sensation of being inside him.

As Liane continues to take Ashley roughly, you can't help but feel a strange mix of arousal and jealousy. You watch as her massive tits bounce with each thrust, the pink hair surrounding her nipples standing on end. Her skin is flushed and slick with sweat, making it all the more appealing.

With a loud groan, Liane's body tenses as she feels herself on the brink of orgasm once again. She grips Ashley's hair tightly and starts to thrust harder, his head banging against the floor with each impact.

Finally, her hips buck violently forward one last time, and she cries out as a hot, thick load of cum erupts from her cock, painting Ashley's insides with her seed.

"T-thank you..." Liane pants, still breathing heavily as she pulls out of Ashley and collapses onto the nearby table. "I just... can't help myself." She looks over at you with a sheepish grin. "It feels so good."

"Futanari?" Liane repeats, looking confused for a moment before realization dawns on her face. "Oh! You mean... because of this?" She gestures vaguely at her body, still glistening with sweat and cum. "I never really thought about it like that."

"Well," you say hesitantly, mustering up the courage to ask, "if I were to, um... offer you a chance to reverse some of your changes..." You trail off, not wanting to get too hopeful.

Liane looks down at her own body, considering the possibility for a moment before shrugging. "I don't know," she says with a sigh. "Part of me kind of likes this new version of myself... It's just so... powerful."

Ashley blushes and looks away, clearly uncomfortable with the attention. "Um, actually," he mumbles, "I am kind of hungry..." He glances back at Liane uncertainly before turning back to you. "What do you think, Simon? Should we go find some food?"

"Hey," Liane interrupts with a grin, "I'm not saying no to free food. But let's leave the... more intimate activities for later, okay?" She winks at you and nudges Ashley gently towards the door. "Come on, let's go find something tasty."

Liane's eyes widen in surprise as you block her path, demanding that she make Ashley suck his dick. "Um, Simon?" she says hesitantly, glancing between the two of you. "Are you sure about this?"

Liane shrugs and kneels down in front of Ashley, grabbing his shoulders and pulling him close. "Alright then," she purrs, leaning in until her lips brush against his ear. "If you insist..." Without warning, she shoves his head down onto her massive cock, groaning softly as he starts to choke and gag around the intrusion.

As Liane continues to fuck Ashley's throat, her hips buck wildly, driving her cock deeper and deeper into his gullet. Her breath comes in ragged gasps as she nears orgasm, the pleasure coursing through her body overwhelming everything else.

Finally, with a loud cry of release, Liane's entire frame tenses and trembles as she shoots rope after rope of hot cum down Ashley's throat.

As the last few spurts of cum trickle from her cock, Liane collapses back onto her heels, panting heavily. "God... that felt good," she manages to gasp between breaths. She looks over at you and Ashley with a satisfied smile. "Well, I suppose we should eat now..."

"Hmm? Oh, right." Liane chuckles and stands up, dusting herself off. "Guess that's what I get for being a little preoccupied." She turns back to Ashley, who is still coughing and wheezing on the floor, cum dripping from his chin. With a mischievous grin, she helps him up and leads him over to a chair.

"There you go," she says, patting him on the shoulder. "Time for some well-deserved rest."

"I'm sorry, Simon," Liane says with a sigh, "but I really am exhausted. Maybe another time?" She glances at Ashley apologetically before turning back to you. "Besides, he's been through quite a lot today already."

"I... see," Liane says hesitantly, her expression shifting from exhausted to confused. "Look, I appreciate your enthusiasm and all, but maybe we should just call it a night?" She takes a step back, putting some distance between the two of you. "We can talk about this tomorrow, okay?"

"What do you mean by that?" Liane asks warily, her eyes narrowing. "I'm not some animal to be ordered around." She takes another step back, her hands curling into fists at her sides. "And I most certainly am not a futa!"

"You little..." Liane growls, taking a step forward. "I've had enough of your insults!" She lunges at you, her massive cock swinging wildly as she tries to grab you by the throat. You manage to dodge out of the way just in time, laughing as she stumbles past you.

"You want a fight?" Liane snarls, whirling around to face you again. "You'll get one!"

"Shut up!" Liane shouts, her eyes burning with fury as she charges at you once more. You manage to dodge out of the way again, but this time she regains her footing quickly and turns back toward you, her lips curled into a snarl.

"You're going down, freak!" she roars, swinging her massive cock wildly as she closes in on you.

"Say that again!" Liane snarls, her voice low and dangerous. With a final burst of speed, she lunges at you, cock first. You manage to dodge out of the way once more, laughing hysterically as she misses yet again. "You think this is funny?" she growls, her fury boiling over.

With a final cry of rage, Liane launches herself at you, her massive cock aimed squarely for your crotch.

Your attempt to dodge her blow fails miserably, and you feel her cock slam into your ass with enough force to drive the breath from your lungs. "Gah!" Liane grunts as she impacts with you, staggering back a step before regaining her balance.

"You're mine now," she pants heavily, her hands grasping at your shoulders as she holds you in place. "You'll learn your lesson."

As Liane begins to move her hips, fucking you hard and fast against the wall, she lets out a low growl of satisfaction. "Take that, perra," she snarls, thrusting deeper into your ass with each word. Her strength is incredible, and it feels like she's tearing you apart with every powerful stroke.

"This is what happens when you cross me," she groans, her breath hot against your neck as she continues to pound away at your body. "You're mine now... my little futa..."

"Yes," Liane hisses, her voice taking on a darker tone as she continues to fuck you mercilessly. "I'm a stallion... and you're my little mare." She pulls your head back roughly by the hair, forcing you to look up into her lust-filled eyes. "And I'm going to breed you... make you mine forever."

As Liane feels Ashley's hot breath on her balls, she lets out a moan of pleasure and thrusts even harder into your ass. "Oh yes," she gasps, throwing her head back as Ashley begins to suck on her sensitive flesh. "That's it... give me more."

She leans forward, burying her face in your neck as she continues to fuck you while feeling the sensation of Ashley's tongue lapping at her balls.

The sensation of Ashley's tongue on her sensitive flesh is driving Liane wild, and she can feel herself getting closer to the edge with every passing moment. As he continues to suck and lick at her swollen balls, her hips grow increasingly erratic, slamming into you harder with each stroke.

"Ahhh... yes..." She moans, biting down on your shoulder as she feels herself about to explode. "I'm going to cum..."

Finally, with a loud cry of release, Liane's entire body convulses as she shoots rope after rope of hot cum deep into your ass. Her cock throbs rhythmically against your prostate, filling you to the brim with her seed.

As her orgasm subsides and her breathing begins to return to normal, she looks down at you, a satisfied smile spreading across her face. "There," she pants, "that should teach you not to mess with a futa stallion."

"Hmm?" Liane looks down at her now-thoroughly coated groin, a puzzled expression crossing her face. As she watches in confusion, more and more cum begins to flow from her body, shooting across the room like geysers of hot liquid gold. "What the...?"

With one final shudder, Liane's entire body is wracked with another orgasm, her insides spasming as she releases yet another torrent of cum onto the floor around you.

The room is now covered in a thick layer of Liane's cum, and she seems to be showing no signs of stopping anytime soon. As you watch in amazement, her body continues to convulse with orgasm after orgasm, each one stronger than the last.

Finally, as if exhausted by the onslaught of pleasure, Liane collapses to the floor, panting heavily. "Wow..." she whispers, looking down at herself in disbelief. "I've never... done that before."

With a groan, Liane rolls over onto her side and pulls her flaccid cock free from your ass. "Fine," she mutters, still catching her breath. "But don't expect me to apologize for enjoying myself." She looks over at Ashley, who is currently busy licking up the last of Liane's cum from the floor.

"And you," she says, pointing an accusatory finger at him, "didn't need to help quite so much."

Liane glares at you for a moment before letting out a loud sigh. "Fine," she growls, climbing back to her feet. With a sudden burst of energy, she grabs Ashley by the shoulders and pushes him against the wall opposite of where you were just moments ago.

Without any further warning, Liane lines up her cock with Ashley's entrance and begins to thrust into him, each stroke of her massive member eliciting a moan from the smaller man.

As Liane starts to fuck Ashley, she leans in close to his ear and growls, "This is what you get for helping me with that pesky little human. Now you're going to take my punishment like a good boy."

Ashley whimpers softly, but doesn't resist as Liane pounds into him relentlessly. The sound of skin slapping against skin fills the room, mixed with their heavy breathing and the occasional grunt or moan.

Despite the intensity of her thrusts, Liane makes sure to aim her cock perfectly, hitting Ashley's prostate with each stroke.

Liane chuckles darkly, her hips never slowing down. "Oh, I hear you loud and clear," she pants. "And I plan on doing exactly that." Her voice takes on a deeper, more commanding tone as she continues to ravage Ashley’s body, her breath coming out in ragged gasps.

With a final, deep groan, Liane unleashes another torrent of cum into Ashley, her cock pulsing as it releases its load. Ashleys moans turn into a chorus of pleasure and pain as he feels every hot spurt of semen filling him.

"

Liane stops thrusting, her chest heaving with exertion as she looks down at Ashley with a smug expression. "There," she says, pulling her softening cock free from his body. "I hope that teaches you not to interfere when a futa is in heat." Ashley lies there panting, covered in Liane's cum. He glances up at you with a mixture of fear and gratitude in his eyes, silently thanking you for ordering Liane to stop.

Liane walks over to where you're sitting on the floor, her expression softening slightly. "Look," she says, reaching out to touch your cheek gently, "I know I can be a bit... rough sometimes. But I am just trying to protect what's mine." She pauses, considering her words carefully before continuing. "If you want me to back off and let you go, I will. But remember that I won't hesitate to step in if I think someone is threatening my territory."

At your words, Liane's expression turns steely once more. "I am not anyone's futa," she snaps. "I make my own choices and I will do as I please." Her voice grows louder with each word until finally she practically shouts, "And if you ever speak to me like that again, I will make sure you regret it!" Her nostrils flare in anger as she glares down at you. You can see the conflict in her eyes, but for now it seems as though her pride is winning out.

As Ashley moves closer to Liane, her eyes widen in surprise. She looks down at him with a mixture of confusion and curiosity before finally relenting, allowing him to wrap his lips around her cock. "Fine," she growls, "but if you're going to do that, at least make it good." Her hips start to thrust up into Ashley's mouth instinctively, seeking out the pleasure she knows he can give her.

As Ashley begins to deepthroat Liane's cock, she moans in approval, her hands running through his hair. Her hips move even faster now, her body craving the sensation of being filled by him. "That's it," she pants hoarsely, "suck it... suck my cock..." Her eyes roll back in pleasure as Ashley takes her entire length down his throat, making muffled sounds of ecstasy around her girth.

"Faster," Liane gasps, her voice barely audible over the sound of slurping and Ashley's moans. "Suck it faster..." Her hands clench into fists at her sides as she feels herself growing closer to the edge, her hips bucking wildly against Ashley's skilled mouth.

Finally, with a loud cry of release, Liane's entire body tenses and convulses as she shoots rope after rope of hot cum down Ashley's throat. Her cock twitches and jerks in his mouth as the last few spurts pump out, filling him with her essence.

Panting heavily, Liane collapses back onto her heels, her eyes still locked on Ashley's face. "Good boy,"

After a few moments to catch her breath, Liane gently pulls her cock from Ashley's mouth. He looks up at her with a satisfied smile, his lips and chin still glistening with her cum. "Thanks," he whispers hoarsely.

Liane smiles down at him, her expression softening. "Anytime, futa." She glances over at you, her brow furrowing again as she considers what to do next. "I suppose we should all get some rest now,"

"Hmm?" Liane looks down at her flaccid cock, then back up to you with a raised eyebrow. "I'd say about... Sesenta centímetros?" She hesitates for a moment before continuing. "But that was without my futa magic." There's an impish glint in her eye as she says this, clearly enjoying the idea of teasing you.

You study her closely, debating whether or not to ask her to prove it.