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Curves of Desire

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Becca is a cute, slender college student with big boobs and a bigger secret: her 4 inch futa cock. Her roommate, Trixie, is a tall, deliciously plump bombshell who is on her way to the freshman 50, let alone the freshman 15. The more Becca masturbates over her roommates thickening body, the larger dick grows.

Chapter 3: Intentional Contact

The sharp snap echoed in the sudden silence, louder than the rain against the windowpane. Trixie froze mid-stretch, her arched back rigid. Her eyes widened, dropping slowly, inevitably, to her own chest. The strained lace band of her bralette hung uselessly open, the cheap clasp shattered. The damp fabric fell away completely, pooling loosely around her waist.

Becca’s breath stopped. Her gaze, locked on the sudden, shocking exposure, felt like a physical violation. Trixie’s breasts were heavy, full, the pale skin gleaming faintly in the TV’s flickering light. Rainwater still traced paths down their soft curves. The nipples, dusky pink and startlingly erect, pointed directly at Becca. Time stretched, thick and syrupy. The scent of rain, chips, and Trixie’s vanilla lotion filled Becca’s nostrils, overwhelming.

Trixie didn’t immediately cover herself. She stared, seemingly transfixed by her own reflection in the dark TV screen, or perhaps by the sheer unexpectedness of the failure. Then, slowly, deliberately, her eyes lifted. They met Becca’s. Held. A flicker of something unreadable passed through them – surprise, yes, but beneath it, a spark of something hotter, darker. A challenge? Curiosity? Becca couldn’t decipher it through the roaring panic in her own skull.

"Whoops," Trixie murmured, her voice huskier than usual. A faint blush crept up her neck, clashing with the defiant tilt of her chin. "Guess Brad wasn’t the only thing that couldn’t handle the… expansion." She didn’t move to retrieve the fallen fabric. Instead, she shifted her weight, settling back against Becca’s side, pressing her naked breasts firmly against Becca’s arm. The warmth, the impossible softness, the hard nub grazing Becca’s skin through her thin t-shirt – it was electric.

Becca flinched, a tiny, involuntary jerk. The pillow clutched desperately over her lap shifted. Beneath it, her trapped cock throbbed violently, a thick, insistent pulse against the thin cotton of her sweatpants. It felt monstrously large, straining against its confines. She could feel dampness seeping through the fabric – pre-come, slick and undeniable. Mortification burned her cheeks hotter than any fever.

Trixie felt the flinch. Her eyes narrowed slightly, flicking down to the pillow fortress Becca maintained. A slow, knowing smile touched her lips, utterly incongruous with her tear-streaked face moments before. "Comfy?" she asked, her tone light but laced with something else. She nudged the forgotten chip bag near Becca’s feet again with her bare toe. "Chip?"

Becca’s hand trembled violently as she reached into the bag. Her mind screamed warnings, a frantic buzz drowning out all coherent thought. Don’t touch her. Don’t look. Move the pillow. Run. But her body moved on autopilot, driven by the desperate need to maintain the fragile, terrifying equilibrium. She pulled out a single, ridged potato chip, its sharp vinegar tang sharp in the air.

Holding it awkwardly between thumb and forefinger, Becca extended her arm. Her gaze remained fixed on the damp jersey on the floor, a safer focal point than the expanse of soft, naked flesh pressed against her. She aimed the chip vaguely towards Trixie’s mouth, her arm stiff, trying to keep maximum distance.

Trixie didn’t lean forward. She simply turned her head, her lips parting slightly. Becca’s trembling fingers inched closer. The chip brushed against Trixie’s lower lip. Becca’s focus narrowed to that point of contact – the dry saltiness of the chip against the unexpected softness of Trixie’s mouth.

Then it happened.

Becca’s knuckle, clumsy with panic, grazed the underside of Trixie’s exposed breast. Skin against skin. A fleeting, accidental brush against the impossibly soft swell, just below the stiff peak of her nipple.

Trixie gasped. Not a gasp of shock or protest. It was low, throaty, almost a moan. Her body arched subtly, pressing her breast more firmly against Becca’s retreating knuckle. Her lips closed around the chip, but her eyes, dark and wide, locked onto Becca’s with startling intensity. Hunger. Raw, unmistakable lust. It burned in her gaze, stripping away the playful defiance, leaving something primal and demanding.

The chip crunched loudly in the sudden silence. Trixie didn’t look away. She chewed slowly, deliberately, her gaze never leaving Becca’s face. The blush on her neck deepened, spreading across her chest, but her expression remained fierce, focused. She swallowed.

"Another," she breathed, the word barely audible over the drumming rain and Becca’s own pounding heart. Her tongue flicked out, tracing her bottom lip where Becca’s finger had brushed. "Please."

Becca’s hand froze halfway back to the chip bag. The air crackled. The pillow on her lap felt like a flimsy shield against a tsunami. Trixie’s naked breast was a warm, heavy weight against her arm, the nipple hard and insistent. The look in Trixie’s eyes wasn't confusion or disgust. It was recognition. And desire.

Becca’s cock surged beneath the pillow, a thick, painful pulse that made her gasp. Pre-come soaked through the cotton of her sweatpants, a damp, spreading patch she knew Trixie could probably feel radiating heat against her hip where they pressed together. The urge to shove the pillow away, to let the monstrous thing spring free, warred violently with paralyzing terror.

Trixie shifted again, turning her body more fully towards Becca on the futon. Her knee bumped against the pillow fortress. Her gaze dropped, finally, deliberately, to the lump beneath the fleece blanket. Her smile widened, predatory now. She reached out, not for another chip, but towards the pillow itself.

Her fingers, cool from the rain, brushed the edge of the fleece covering it. Becca recoiled as if burned, pressing herself back into the cushions, her legs clamping shut tighter. The movement only emphasized the rigid outline beneath the fabric.

"Becca," Trixie murmured, her voice a low purr that vibrated through the small space between them. Her eyes flicked back up, meeting Becca’s terrified gaze. That hungry look hadn't faded; it had intensified, mixed with a dawning, incredulous understanding. "Dude. What is that?" Her fingers didn't retreat. They hovered, inches from the undeniable bulge, radiating curiosity and a heat that matched Becca’s own. "Seriously. Are you hiding a fucking flashlight under there?"

The question hung in the thick air, sharp as the vinegar tang from the spilled chips. Becca’s throat tightened, words shriveling before they could form. Her knuckles turned white clutching the pillow, a futile barricade against Trixie’s intense, unwavering stare. Below it, her cock pulsed, a traitorous rhythm impossible to silence.

Trixie didn’t wait for an answer. Her cool fingers, still damp, brushed the worn fleece edge again, this time with purpose. "Seriously, Becs," she murmured, leaning closer, the scent of rain and cheap beer on her breath mixing with her vanilla lotion. Her naked breast pressed heavily against Becca’s arm, the heat radiating through thin cotton. "You’re vibrating."

Panic seized Becca, cold and absolute. She tried to twist away, to cram herself into the futon’s corner, but Trixie’s free hand landed firmly on her thigh, just above the knee. It wasn’t rough, but it was immovable. "No," Becca choked out, the sound strangled. "Don’t."

"Don't what?" Trixie’s voice dropped to a husky whisper, her eyes dark pools reflecting the flickering TV light. Her gaze dropped back to the pillow, fascination overtaking the remnants of her earlier tears. "Stop hiding." Her fingers tightened on the fleece blanket. "Show me."

The command was low, almost gentle, yet laced with an undeniable authority that bypassed Becca’s fear. Time slowed. The drumming rain faded. Becca’s frantic breathing hitched. She felt the rough texture of the fleece beneath Trixie’s fingers as they curled, gathering the thin fabric. A tremor ran through Becca’s entire body, helpless against the gentle, insistent pull.

Trixie lifted the edge of the blanket, slowly, deliberately revealing the lump beneath. Becca squeezed her eyes shut, bracing for disgust, horror, the inevitable scream. Instead, she heard a sharp intake of breath. Silence. Then, a low, almost reverent whisper. "Holy shit."

Forcing her eyes open, Becca looked down. The pillow had shifted, no longer covering the rigid outline tenting her grey sweatpants. The fabric stretched taut over the thick shaft, the head clearly defined, dampness darkening the cotton at the tip. It stood proudly, impossibly large against her petite frame.

Trixie stared, transfixed. Her lips parted slightly, her earlier hunger returning tenfold, transforming her face. She traced the outline through the fabric with a single, tentative finger, sending a jolt of electricity straight up Becca’s spine. "Becca..." Trixie breathed, her voice thick with awe. "It's... huge."

A disbelieving, almost bitter chuckle escaped her. She shook her head, her dark hair brushing Becca’s shoulder. "Bigger than Brad. Way bigger." Her fingertip paused, pressing lightly just below the damp head. Becca gasped, hips jerking involuntarily. Trixie’s eyes snapped back to hers, holding her gaze with fierce intensity. No disgust. Only raw, burning need.

"Way bigger," Trixie repeated, softer now, almost to herself. Her other hand slid slowly, purposefully, from Becca’s thigh, gliding over the bunched fabric of her sweatpants. Her thumb hooked into the elastic waistband. She didn't ask. She didn't hesitate. Her eyes locked on Becca's, reflecting the flickering blue light and a hunger that mirrored Becca’s own desperate thrum.

Trixie tugged the waistband down, just enough. The cool dorm air hit Becca's heated skin. Her cock sprang free, fully erect, a thick, flushed column jutting upwards. Eight inches of desperate need. Trixie’s breath hitched again, a sharp, audible sound. Her gaze traveled the length of it, drinking in every inch, the prominent veins, the slick glistening tip.

"Fuck," Trixie breathed, the word thick with reverence and desire. She licked her lips, her eyes wide and dark. "Okay. Okay." Without another word, without breaking eye contact for a second, Trixie leaned down. Her plush lips parted. Becca watched, frozen in terrified ecstasy, as Trixie slowly, deliberately, took the swollen head of her cock into her warm, wet mouth.

The first touch was electric fire. Warmth, impossibly soft and wet, enveloped the swollen head of Becca’s cock. Trixie’s lips sealed around her, a tight, perfect pressure that obliterated every other thought. Becca gasped, a ragged sound ripped from her throat, her fingers digging into the worn futon cushion beneath her. The rain outside, the hum of the air conditioner, the lingering vinegar scent from the spilled chips – everything dissolved.

Trixie didn't tease. She sank deeper, her plush lips gliding down the thick shaft with surprising ease. A low, satisfied hum vibrated against Becca’s sensitive skin, sending shockwaves through her hips. Becca’s eyes snapped open, wide with terror and overwhelming sensation. She saw the top of Trixie’s dark head moving rhythmically against her lap, felt the wet suction, the scrape of teeth just short of painful. Trixie’s hand rested firmly on Becca’s thigh, anchoring her, preventing escape or collapse.

Every nerve ending screamed. The sheer impossibility of it – Trixie, the confident bombshell, the roommate she’d been terrified to change in front of, taking her monstrous cock into her mouth with hungry abandon – collided violently with the base, animal pleasure. It was too much. Pressure, molten and unstoppable, coiled low in her belly, tightening with each slick glide of Trixie’s lips, each flick of her tongue against the leaking slit. Becca whimpered, a high-pitched, desperate sound lost in the room’s stillness except for Trixie’s wet sounds.

Her hips bucked involuntarily, seeking more of that devastating heat. Trixie moaned around her, the vibration intensifying the unbearable friction. Stars exploded behind Becca’s eyelids. Her vision greyed at the edges. The world shrank to the tight, wet vice of Trixie’s mouth, the slide of her tongue along the pulsing vein underneath, the hot suction pulling relentlessly. There was no room for thought, only sensation building to an inevitable, shattering peak.

It hit her like a physical blow. A guttural cry tore from Becca’s chest as her back arched violently off the futon. Her cock pulsed, thick and heavy, deep in Trixie’s throat. The first violent spurt hit the back of Trixie’s mouth. Trixie didn't pull back. She sucked harder, her throat working, swallowing convulsively as the torrent surged. Becca’s entire body convulsed, wave after wave of blinding release ripping through her, each thicker than the last, draining her utterly. Her legs trembled uncontrollably, every muscle locked in ecstatic agony.

Still swallowing, Trixie reached up blindly. Her damp fingers found Becca’s limp hand, pulling it firmly, insistently. She guided Becca’s trembling fingers onto the impossibly soft, heavy swell of her own bare breast, the one whose nipple Becca had accidentally brushed moments before. Becca instinctively cupped the warm flesh, feeling its weight, the hard nub pressing against her palm. Simultaneously, Trixie slid her free hand up Becca’s t-shirt, her fingers tracing the curve of Becca’s ribs before finding the soft swell of her smaller breast, squeezing gently, possessively.

Trixie finally released Becca’s softening cock with a soft, wet pop. She sat up slightly, wiping her glistening lips with the back of her hand, a smear of white at the corner. Her eyes, dark and heavy-lidded, met Becca’s dazed stare. A slow, lazy smile spread across her face, pure satisfaction and something deeper, hungrier. She nestled back into the crook of Becca’s arm, her naked skin radiating heat against Becca’s side, Becca’s hand still resting on the monumental curve of her breast.

Trixie sighed, a contented, almost sleepy sound. She nuzzled against Becca’s neck, her breath warm. "Fuck," she murmured, her voice thick and husky. Then, with casual ease, as if nothing world-shattering had just happened, she tilted her head towards the discarded chip bag on the floor. "Okay, my turn. Hand me another cookie."

The command hung in the air, absurd and irresistible. Becca’s body still hummed, every nerve raw from the explosion Trixie had wrung from her. Her fingers, resting on the impossibly soft swell of Trixie’s bare breast, felt detached, alien. She stared blankly at the crumpled cookie bag on the floor. Trixie shifted, her warm, heavy weight pressing deeper into Becca’s side, a contented sigh escaping her lips as she nuzzled Becca’s neck. The damp patch on Becca’s sweatpants felt cold now, a stark contrast to the heat radiating from her roommate.

"C'mon, Becs," Trixie murmured, her voice thick with post-orgasmic languor and unmistakable demand. She jiggled the breast under Becca’s limp hand slightly. "Fueling up. Important work ahead." A lazy grin touched her lips. "Gotta keep the engine running."

Becca moved robotically. She leaned forward, her muscles protesting, the scent of salt and vinegar chips and something muskier filling her nostrils. Her trembling fingers found a slightly crumbled chocolate chip cookie amidst the debris. She pulled it out, grease spotting the wrapper. Trixie didn't take it. She simply tilted her head back, parting her plush, slightly swollen lips, eyes half-lidded, expectant. Waiting to be fed.

Becca guided the cookie to Trixie’s mouth. Trixie took a large, deliberate bite, her lips brushing Becca’s fingers again. This time, it wasn't accidental. Trixie’s tongue flicked out, capturing a stray crumb clinging to Becca’s skin before retreating. She chewed slowly, humming with pleasure, her gaze fixed on Becca’s face, watching the blush creep back up her neck. "Mmm. Good," she mumbled around the mouthful. "Your turn. Open."

Hesitantly, Becca parted her lips. Trixie plucked the remaining half from Becca’s fingers, pressing it gently against her mouth. Becca took it, the sweetness clashing with the lingering salt on her tongue. As she chewed, Trixie’s hand, still resting possessively on Becca’s smaller breast beneath her t-shirt, gave a soft, rhythmic squeeze. "See?" Trixie whispered, leaning close, her breath warm and smelling of chocolate and something darker. "Teamwork."

That first night shattered the fragile normalcy. What followed wasn't a hesitant exploration, but a headlong dive into a shared, insatiable hunger. The dorm room, already cramped, became a cocoon of indulgence. Trixie shed even the pretense of modesty entirely, padding around in just oversized t-shirts that barely skimmed her thickening thighs, or sometimes just panties that vanished into the deep cleft of her expanding ass. Her confidence wasn't just unapologetic; it was a force of nature, growing alongside her curves. She openly ordered pizzas at midnight, devoured family-sized bags of chips while watching trashy reality TV, and delighted in presenting Becca with sugary, calorie-laden surprises.

"Double fudge brownie, delivery!" Trixie announced one afternoon, waddling in with a box almost as wide as her hips, her breasts straining the thin cotton of her tank top. "Got extra frosting. My treat." She dropped onto her messy bed, the springs groaning in protest, and patted the space beside her. "C'mere. Reward time."

Becca, engrossed in a textbook, felt the familiar coil of arousal tighten low in her belly at the invitation. Trixie’s "rewards" were never just food. She joined Trixie, the mattress dipping steeply under their combined weight. Trixie didn't wait. She scooped a massive glob of frosting onto her finger, then traced it slowly, deliberately, along Becca’s lower lip. "Lick," she commanded, her voice husky. Becca obeyed, the sickly sweetness exploding on her tongue. Trixie’s eyes darkened. "Good girl." She leaned in, capturing Becca’s frosting-smeared mouth in a deep, possessive kiss that tasted of sugar and heat, her hand already sliding down to palm the growing hardness tenting Becca’s shorts.

The feeding became foreplay, and foreplay became frantic, messy couplings. Trixie reveled in Becca’s body, in the tangible evidence of her effect. She’d straddle Becca’s lap on the futon, grinding her immense backside down onto the thick shaft straining against fabric, her moans loud and unrestrained. "Fuck, feel you," she’d gasp, her hands kneading her own heavy breasts, watching Becca’s eyes glaze over. "So fucking big inside me." Other times, she’d push Becca onto her back, pinning her wrists, and take her time, sinking down inch by agonizing inch with a groan of pure satisfaction, her own wetness mixing with Becca’s pre-come. "God, yes... stretch me... fill me up..." Her movements were a slow, deliberate roll of her massive hips, designed to draw out every drop of sensation, every pulse of Becca’s cock buried deep within her.

The more Trixie ate, the more she demanded, the more Becca gave. And the more Becca gave, physically, the more she grew. It wasn't subtle anymore. The tent in Becca’s pajama pants became almost comical, a constant, prominent ridge. Even loose joggers couldn't hide the thick outline pressing against the seam. Trixie’s eyes tracked it constantly, a possessive gleam in their depths. One lazy Sunday morning, the scent of bacon grease hanging thick in the air from their massive breakfast, Trixie rummaged in her chaotic desk drawer. She pulled out a cheap plastic ruler, the kind students used for math class. Her gaze locked onto Becca, sprawled on the futon looking thoroughly debauched, her morning erection unmistakable beneath a thin sheet.

"Up," Trixie commanded, her voice thick with anticipation. Becca’s eyes widened slightly, a flicker of shyness returning despite the intimacy they now shared. "Trix..."

"Nuh-uh," Trixie waddled closer, the ruler tapping against her thigh. "Progress report time. Standard procedure." She tossed the sheet aside with a casual flick of her wrist. Becca’s cock sprang free, thick and flushed, lying heavy against her belly. It was undeniably bigger. Fuller. The veins stood out more prominently.

Trixie knelt on the floor with surprising grace for her size, her bare knees pressing into the worn carpet. She grasped the base firmly, her touch possessive but gentle. Becca inhaled sharply as Trixie aligned the ruler alongside the pulsing shaft, pressing the zero mark firmly into the dark curls at the base. The cool plastic against her heated skin was a sharp contrast. Trixie’s eyes followed the ruler’s edge intently as she slid it slowly up the length until the tip nudged the flushed, leaking head. Becca watched her face, the concentration, the flicker of pure delight that lit up her features. "Nine and a quarter," Trixie breathed, a triumphant smile spreading across her face. She looked up, meeting Becca’s embarrassed gaze. "Nine and a fucking quarter inches." She leaned forward, brushing her lips against the swollen head, making Becca jerk. "My good girl." The ruler clattered to the floor, forgotten, as Trixie’s mouth descended, swallowing Becca whole once more, her own satisfied moan vibrating against sensitive flesh.

The routine solidified: feed, fuck, measure, repeat. Trixie’s body became a landscape of soft, rolling hills. Her belly swelled into a heavy, rounded mound that rested on her thighs when she sat, pale skin taut and smooth. Her breasts, already substantial, became monumental, spilling out of bras that seemed to be replaced weekly with larger, more industrial-looking specimens, the deep cleavage a constant, creamy invitation. Her backside was vast, each cheek a plush, heavy globe that wobbled hypnotically with every step she took. She laughed about needing wider doorways, groaned theatrically when bending over, but her eyes shone with undisguised pride and arousal at her own transformation. The dorm room floor was a minefield of discarded snack wrappers and empty takeout containers, the air perpetually flavored with salt, sugar, and sex.

One afternoon, the weak winter sun filtering through the dusty window, Trixie stood before the large digital scale she’d bought online. It sat squarely in the only clear patch of floor near her overflowing closet. She’d already shed her clothes, a daily ritual now. She took a deep breath, her immense chest rising, belly protruding. Becca watched from her neatly made bed, a mix of awe and familiar heat coiling inside her. Trixie stepped onto the scale’s broad platform. It beeped, the digital display blinking rapidly as it calculated the load.

Trixie stared down, waiting. The numbers flashed, settled. A slow, wide grin spread across her face, transforming her features. She turned, her massive breasts swaying, her belly jiggling, and looked directly at Becca. Her eyes were bright, triumphant, gleaming with a heady mix of accomplishment and pure, unadulterated lust. "Three hundred and four," she announced, her voice thick with satisfaction. She placed a hand on the immense curve of her hip. "Told you we'd get there." She took a step off the scale, the floorboards creaking softly beneath her weight. "Celebration's in order." She gestured towards the half-eaten box of donuts on her desk, already glazed with sugary temptation. "Feed me, Becca. Then fuck me." Her gaze dropped meaningfully to the prominent bulge in Becca's sweatpants, a bulge that seemed even more significant, more demanding, after Trixie's announcement. "You've got some marching to do too, soldier."

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