Cover of The College Futa Experiment

The College Futa Experiment

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When Randall and his girlfriend Whitney sign up for an experiment with their bio professor, they didn't expect to be transformed into horny futanari girls [sex scenes will be described in detail]

Chapter 1: Mid-Bite Metamorphosis

The fluorescent light in the kitchen buzzed like a trapped wasp. Randall pushed cold scrambled eggs around his plate, the yellow curds congealing in a film of grease. Next to him, Whitney scrolled on her phone, one foot tapping absently against the leg of her chair.

“You ready for today?” she asked, not looking up. “The consent forms were kind of intense. ‘Permanent transformative biological event.’ Sounds so official.”

“It’s just Professor Greeley,” Randall said, spearing a piece of egg. “His last ‘groundbreaking’ experiment gave a lab rat a third ear. It’s probably a glorified vitamin shot. Some PR stunt for the department.”

“You’re such a cynic.” Whitney finally put her phone down, her blue eyes sparkling. “I think it’s exciting. To be part of something that could change… everything. What if it works?”

“Then we get extra credit and a weird story.” He shrugged, but a thrill of curiosity tightened his chest. He was a biology student for a reason. The mechanics of it, the sheer how, fascinated him.

The first twinge was subtle. A deep, internal warmth, like he’d swallowed a shot of good whiskey. He set his fork down.

“You feel that?” Whitney asked, her playful grin fading.

“Feel wha—”

The warmth became a searing coil in his gut, tightening, burning. He gasped, his chair screeching back as he doubled over. His vision swam, the clutter of the kitchen—the stained coffee mug, the dusty toaster—smearing into a nauseating watercolor.

“Randall?”

Whitney’s voice sounded far away. The heat wasn’t just in his stomach anymore; it was flooding his veins, a molten rush that made his bones feel like they were softening, reshaping. A sharp, breathtaking agony lanced through his pelvis, a sensation of tissues tearing and knitting anew, of architecture being demolished and rebuilt in a single, violent breath.

He heard fabric rip.

A choked, guttural moan echoed in the small kitchen. It came from Whitney.

Forcing his head up, eyes streaming, Randall saw her standing, body arched backward. Her hands were clamped over her lower abdomen. The front of her cute cotton shorts strained, then tore along the central seam with a sound like a sigh. Something was pressing outward, swelling, emerging—a thick, fleshy shaft of smooth, flushed pink that curved upwards against her stomach, gleaming under the flickering light.

He couldn’t process it. It was impossible. A cock. Above her pussy, which was visibly dampening the torn fabric.

His own body chose that moment to convulse again. A wave of dizziness slammed into him, a sense of profound dislocation. He looked down at his own hands as they scrabbled at his t-shirt. His fingers were slimmer, the knuckles less pronounced. He watched, detached, as the fabric across his chest grew taut, straining against a new, heavy weight. He felt a deep, settling pressure there, and a simultaneous, hollow ache lower down.

The fire in his pelvis condensed, focusing into two points of fierce, alien sensitivity. One was a familiar presence, yet utterly foreign in its new heft and weight, trapped in his jeans. The other was a new threshold, a slick, split-second understanding of an opening that hadn’t been there minutes before.

The pain began to ebb, replaced by a cacophony of sensation. The brush of his shirt against his nipples was electric, sharp. The rough denim of his jeans was a sandpaper torture on his swollen flesh. The air in the room felt different on his skin—cooler, more alive.

He stumbled to the smudged window above the sink, using it as a dark, reflective mirror.

A stranger stared back.

The face had the ghost of his structure—the same green eyes, now wider, fringed with thicker lashes. But the jaw was softer, the lips fuller. His brown hair seemed thicker, falling in softer waves around a face that was undeniably, stunningly feminine. His shoulders had narrowed. His hips… they flared, pushing against his belt. And his chest…

Randall’s hands, those new, slender hands, rose to cup the full, heavy weight of his breasts. A jolt, both terrifying and thrilling, shot straight down his spine to the two nerve-rich centres between his legs.

“Oh my god.” The voice was higher. Softer. It was his.

He turned.

Whitney was standing perfectly still, one hand wrapped around the base of her new erection, her knuckles white. She wasn’t panicking. She was staring at it with a look of pure, awestruck fascination. A drop of clear fluid beaded at the tip.

“Look,” she whispered, her voice husky. “Randall… look at it.”

“What the fuck is it?” His new voice cracked. “What are we?”

“The experiment worked,” she said, as if stating the sky was blue. She finally looked at him, her gaze traveling from his face, down his new body, and a slow, dazzled smile spread across her face. “Wow. You’re… gorgeous.”

He ignored the compliment, a storm of panic rising. “This isn’t extra credit, Whit! This is… we’re freaks! This is permanent!”

“I know,” she said, and her tone was unsettlingly calm. She took a step toward him, her movement different, a slight, unfamiliar sway in her hips. The alien part of her bobbed with the motion. “Can’t you feel it? It’s not bad. It’s… everything is so much. The air, the light… it’s all more.”

He felt it. That was the worst part. Beneath the terror was a hum of raw, physical potential. His new body was a live wire, humming with signals he didn’t know how to interpret. The ache between his legs was a persistent, hungry throb.

Whitney was close now. He could smell her sweat, her shock, and something else—a sweet, musky scent that was new. Her finger, tentative, brushed the back of his hand where it still clutched the edge of the sink.

The touch was a spark on dry tinder.

A shudder ran through him, a full-body spasm that had nothing to do with pain. A low, involuntary sound escaped his new throat. He saw her pupils darken, her grip on herself tightening.

“We should…” he started, wanting to say ‘call someone,’ ‘go to the hospital,’ ‘figure this out.’

“We should see,” she interrupted, her bubbly enthusiasm now charged with a dark, compelling curiosity. “We have to know how it all… works.”

Her free hand settled on his hip, pulling him gently from the window. His body moved with a fluid grace that wasn’t his own. The fluorescent light buzzed overhead, a witness to the impossible. In the middle of the crumb-covered floor, surrounded by the mundane debris of their old lives, they stood holding each other—two people who no longer existed, on the terrifying, exhilarating brink of finding out what they had become.

In the middle of the crumb-covered floor, surrounded by the mundane debris of their old lives, they stood holding each other—two people who no longer existed, on the terrifying, exhilarating brink of finding out what they had become.

Whitney’s hand slid from his hip to the small of his back, pressing them closer. The flush, heated length of her pressed against his thigh through the torn shorts. It was impossibly solid. Real.

“It’s so sensitive,” she breathed, her forehead dipping to his shoulder. Her blonde hair tickled his neck. “Everyth—ah—everything is feedback.”

Randall could only nod, a jerky motion. His own body was a symphony of wrong notes played on unfamiliar instruments. The weight on his chest. The frantic pulse between his legs—two distinct rhythms, one a deep, throbbing echo, the other a slick, insistent whisper.

He tried to take a steadying breath. The air hit the back of his new throat differently.

“We need to think,” he said, but the words lacked force.

“I am thinking.” Whitney pulled back just enough to look at him. Her eyes were bright, alive with a kind of feverish wonder. “I’m thinking I want to touch you. I want you to touch me. We have to know, Randall. What else changed?”

As she said it, she shifted her weight, her body aligning differently against his. She let go of herself, bringing both hands up to frame his face. The movement made her shirt pull tight across her chest.

She froze.

Her gaze dropped from his eyes to her own body. A slow, dawning comprehension widened her eyes.

“Whoa.”

Her hands left his face. They floated down, hovering for a second before pressing against the front of her fitted t-shirt. Where before there had been the gentle slope of her petite frame, there was now a soft, pronounced swell straining the cotton.

“My… oh my god.” Her voice was a mix of shock and delight.

She took a quick step back, almost tripping over a discarded sneaker. Her hands ran down her own sides, over the sudden, dramatic curve of her waist, and grasped the new, rounded fullness of her hips and ass. The motion was clinical and hungry all at once.

“I’m… stacked,” she whispered, laughing a little, the sound unsteady. “I filled out everywhere. Look at this!” She turned slightly, looking over her shoulder as if she could see her own backside, then looked back at him, grinning. “This is insane. Do you feel it? You have to feel it.”

Before he could protest, she grabbed his wrists and placed his hands on her.

The fullness of her breast was warm and heavy in his palm. Through the soft cotton, he felt the peak of a nipple, hard and eager. His other hand was splayed on the firm curve of her hip, the denim of her torn shorts straining over new, lush territory.

A bolt of pure, undiluted heat shot through him, converging in a desperate ache low in his belly. He made a sound, a weak gasp.

“See?” she said, her own breath catching. Her hips pushed forward against his hand. The thick evidence of her own arousal bumped his wrist, hot and insistent. “It’s not a curse. It’s an upgrade. It’s… more.”

Her philosophy was drowned out by the roar of blood in his ears. His own new anatomy felt like a live reactor, pulsing, demanding. The curiosity was a physical pull, stronger than the fear.

Her hands found the hem of his t-shirt. “Your turn. Let me see.”

He didn’t stop her. The fabric whispered over his skin, a cascade of new sensations, and then it was off. The cool kitchen air hit his bare skin, and he shuddered, his new nerves singing.

Whitney’s gaze was like a physical touch, traveling over the slopes and valleys of his transformed body. Her lips parted. “Beautiful,” she murmured, almost to herself.

Then her hands were on him, not asking, just exploring. The shock of her touch on his bare breasts stole his breath. Her thumb swept over a nipple and his knees nearly buckled. A sharp, sweet jolt arced directly down to his core, making both his new and old parts clench with need.

“Randall,” she gasped, feeling his reaction.

Her exploration grew more urgent, less clinical. Her hand slid down the flat plane of his stomach, fingers tracing the line of his hipbone, heading lower. The button of his jeans gave way with a pop.

He should stop this. This was madness. They were in their kitchen. They were changed, possibly forever.

But her touch was the only thing that made the madness make sense. It was a map to a foreign country he was now stranded in.

As her fingers brushed the waistband of his boxers, dipping beneath, his whole world narrowed to that point of contact. He was trembling. She was too. Their eyes locked—green on blue—in a shared vertigo.

“Tell me to stop,” she whispered, but her fingers didn’t stop, they curled, seeking and finding the wet, shocking heat of his new flesh.

He didn’t tell her to stop. A broken, shuddering groan was his only answer, his head falling forward against hers as the first wave of a completely alien pleasure, razor-sharp and deep, began to crest.

His fingers tangled in her hair as the sensation detonated, white-hot and shocking in its intensity. It wasn’t like anything before. It was deeper, wider, a flood where there had only been a stream. A ragged cry tore from his throat, feminine and raw, echoing in the tiny kitchen.

When he could see again, Whitney was staring up at him, her lips swollen, her expression one of awe. “That was… the feedback loop. I felt it. When you… I could feel an echo of it. In me.”

Her words were a distant murmur. The aftermath was a trembling vulnerability, his new body humming and oversensitive. He became acutely aware of the linoleum, cold and gritty under his bare feet, of the relentless fluorescent buzz, of the profound wrongness and the breathtaking rightness tangled together.

“We can’t just… in the kitchen…” he managed, his voice thin.

“Why not?” She laughed, a little wild, her hands still roaming his back, his hips, as if memorizing the topography. “Who are we going to disturb? The expired Greek yogurt?”

Her joke, so typically Whitney, landed in the surreal stillness and fractured the last of his panic. A weak, disbelieving laugh hiccuped out of him. He was naked from the waist up, she was half-undone, and they were discussing dairy products.

“We need to…” He tried to find a coherent thought. “We need to understand the scope. All of it.”

Her eyes darkened with agreement, but it was a hungry, practical look. “Okay. Yes. Methodical. We’re scientists, right?”

She took a half-step back, her gaze traveling down his body with a focus that was no longer purely adventurous. It was analytical. Assessing. Her own arousal, thick and evident, seemed almost a separate piece of equipment she was learning to operate.

“Your jeans,” she said, her tone shifting into something mimicking their lab instructor. “They look painfully restrictive. Hypothesis: removal will increase mobility and allow for proper observation.”

He fumbled with the button and fly, his new fingers clumsy. Pushing the denim down his hips felt like shedding a skin. He kicked them away, standing there in just his black boxers, which were strained and damp in confusing places.

Whitney sucked in a sharp breath. The outline was undeniable—the dual reality of him now. The familiar shape, magnified and impressive, and just beneath, the softer, hidden contour of something entirely new.

“Fascinating,” she whispered, all pretense of clinical distance gone. She sank to her knees before him.

“Whit, you don’t have to—”

“I want to.” She looked up, her blonde hair a messy curtain around her shoulders. “I really, really want to. I need to know how it all… fits.”

Her touch through the cotton was deliberate, tracing him, mapping him. When her palm cupped him fully, he jerked, a gasp catching in his throat. The dual stimulation was madness—a direct line of fire from her hand on his cock to a corresponding, slick clench deep inside.

She hooked her thumbs in the waistband of his boxers and pulled them down.

The cool air was a shock. He couldn’t look down. He watched her face instead. Her blue eyes widened, her lips parting in a soft ‘o’. She didn’t speak for a long moment, just stared, taking in the reality of the sleek, full length and the delicate, flushed folds nestled beneath.

“It’s not a deformity,” she said finally, her voice filled with a reverence that shattered his last fragment of shame. “It’s… elegant. It’s complete.”

Her fingers, so much braver than his own, traced the lines of him. A feather-light touch along his shaft, a careful, curious probe at the wet heat below. He shook, his hands bracing against the edge of the counter behind him.

“You’re so wet,” she murmured, and then she leaned forward, her breath hot against him.

Her mouth was on him—not where he expected, but lower, on that new, hypersensitive nerve center. The world dissolved into a vortex of sensation. It was too much. It was not enough. He cried out, a string of incoherent syllables, as her tongue explored him with a frantic, eager curiosity.

He cried out, a string of incoherent syllables, as her tongue explored him with a frantic, eager curiosity.

It wasn’t practiced. It was experimental. She tasted him with the focused intensity of someone decoding a new language. Her tongue was flat and broad at first, pressing against the entire sensitive length of him, collecting the unfamiliar taste. Then it became pointed, seeking, tracing the inner folds with a delicacy that made his muscles jump. She found a spot, a particular cluster of nerves that reacted like a live wire, and she focused there, a soft, relentless pressure that built a coil of tension low in his belly.

Her hands came up to steady his hips, her grip firm. Her thumbs rubbed small, soothing circles on his skin while her mouth worked. He looked down, the sight surreal—her blonde head between his thighs, her shoulders moving, the obscene, beautiful shape of her own arousal straining against nothing. The visual alone was almost enough.

Then she took him into her mouth—the other part of him. The heat and wetness engulfed him, shocking in its completeness. She moved slowly, learning the new geography, her tongue swirling around the head before she took him deeper. The dual sensations overlapped, merged, became a feedback loop of pure nerve signal. Pleasure didn’t crest in waves; it was a sustained, rising note, a harmonic vibration ringing through every altered cell.

He was panting, his fingers tangled in her hair, not guiding, just holding on. “Whit… I can’t… it’s too…”

She pulled back, breathing hard, her chin glistening. Her eyes were wild. “Do you feel that?” she demanded, her voice rough. “The connection? When I do that,” she flicked her tongue where she’d just been, making him jolt, “you get harder. Everything is talking to everything else.”

She leaned in again, but this time she used her hand, wrapping her fingers around the base of him, pumping slowly as her mouth returned to his center. The coordination was instinctual, as if her new wiring understood his perfectly. The rhythm was inexorable, building the pressure in his core until his legs began to shake violently.

The climax tore through him with a violence that was nothing short of terrifying. It was a full-system overload. His vision whited out at the edges as he pulsed into her warm, willing mouth, and simultaneously, a deeper, internal quaking seized him, a rippling contraction from that new, secret place. He shouted, a raw, broken sound that echoed off the dirty microwave and the chipped cabinets.

He sagged against the counter, spent, trembling. Whitney rose to her feet, wiping her mouth with the back of her hand. She looked triumphant, breathless, her own need evident in the flush on her chest and the desperate throb of her body. She’d given, but she hadn’t taken.

Her eyes locked on his. The unspoken question hung in the buzzing air.

Slowly, shakily, Randall pushed himself upright. His body felt used, reborn, and fiercely alive. The fear was still there, a cold pebble in his gut, but it was surrounded by the warm, wet reality of what had just happened. Of what they were.

He looked at her—really looked. At the sheen of sweat on her collarbone, at the fierce wanting in her blue eyes, at the magnificent, impossible evidence of her arousal. This was Whitney. This was also someone entirely new.

This was also someone entirely new.

The buzzing of the fluorescent light was the only sound for a long moment. Randall’s breath slowly evened out, the shockwave of pleasure receding into a deep, body-wide hum. He felt stripped. Not just of his clothes, but of every preconception he’d ever had about himself. The person who had eaten scrambled eggs at this table twenty minutes ago was a ghost.

Whitney watched him, her chest rising and falling rapidly. The damp spot on her ruined shorts had darkened. Her own need was a visible, urgent throb between them, untouched. “Your turn,” she said again, but this time it wasn’t a question. It was a statement of equilibrium. A balance of power, of experience.

He looked from her eyes, bright with a fearless hunger, down to the flushed, solid evidence of her transformation. It was daunting. This wasn’t the gentle, familiar territory of before. This was an unknown landscape, on her, on himself. The scientific part of his brain, the part that was still clinging to the rail, whispered about anatomical compatibility, nerve endings, potential for injury. The rest of him, the newly wired, sensitive, and aching rest of him, was just terrified.

“I don’t… I don’t know how,” he said, the admission leaving him in a shaky exhale. His voice, that unfamiliar instrument, sounded small.

“So we learn.” She took a step forward. The linoleum was cold under his feet. Her hand found his, lifted it, and placed his palm against the hot, velvety skin of her shaft. He flinched at the contact, at the sheer living heat of it, the pronounced pulse beneath his fingers. It was utterly alien. It was, undeniably, hers.

His fingers curled instinctively, tracing the shape. He felt her shudder, a full-body tremor that echoed his own from moments before. A bead of clear fluid welled up at the tip. The clinical part of his mind identified it as pre-ejaculate. The rest of him was captivated by the intimate, gleaming reality of it.

“See?” she breathed, her head tilting back. “It’s just… another piece of the map. You explore it.”

He wanted to. The curiosity was a physical itch. But the movement, the mechanics, felt locked away behind a wall of pure, paralyzing novelty.

He hesitated.

Whitney’s other hand came up to cradle his jaw. Her thumb stroked his cheek. There was no impatience in her touch, only a vast, unsettling understanding. “You’re thinking too much,” she whispered. “Stop being Randall the bio major for one second. Just be… this.”

She shifted her grip, her hands moving to his shoulders. The pressure was gentle, but deliberate. She applied a slow, downward force.

He resisted for a heartbeat, his muscles tensing. The cold floor, the absurdity, the fear—they all screamed in protest.

“Whitney, I—”

“Shhh.” Her voice was soft, but absolute. “Look at me.”

He looked up at her. She was backlit by the sickly kitchen light, a halo of blonde frizz, her expression a mix of command and encouragement. She was no longer just his girlfriend. She was a pioneer in this strange country, and she was offering him a guide.

His knees buckled.

The cool, gritty linoleum pressed against his shins. The perspective shifted violently. Now he was looking up the length of her body, from the torn shorts, past the new softness of her stomach, to her face, which was looking down at him with an intensity that stole his breath. From here, her arousal was a towering, undeniable fact. The musky, sweet scent of her was stronger. The power dynamic had not just shifted; it had inverted.

She guided his head forward slowly, her fingers laced in his hair, not forcing, but leading.

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