Cover of The Ever-Growing Enigma

The Ever-Growing Enigma

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Chloe, a transwoman, has a peculiar condition where her penis gradually gets larger over the course of years. Her girlfriend, Alice, finds this condition pretty hot, and frequently measures Chloe's penis to see how much larger it has gotten. Chloe wants to find a pill to stop the growth or make her penis smaller, but Alice would prefer a pill that made Chloe's penis larger.

Chapter 9: The Need

The stale sweetness of sex still hung heavy in the air, mingling stubbornly with the lavender. Morning light streamed through the slats of the blinds, painting stripes across Alice’s bare shoulder where she lay curled into Chloe’s side. Chloe stared at the dust motes dancing in the sunbeam, the profound lethargy of deep satisfaction slowly giving way to the familiar, unwelcome prickle of awareness.

Her breasts. Swollen against her ribcage, pressing into Alice’s back. Undeniably larger. Heavier. The cotton of her sleep shirt strained slightly. A trade-off. A biological barter for stability downstairs. Mostly stable. She shifted minutely, feeling the dense weight of her cock resting against her thigh. It felt… dormant. Contained. For now.

Alice stirred, stretching like a cat, her pixie cut messy against the pillow. She turned, blinking sleepily, that mischievous smile already playing on her lips as her gaze immediately dropped to Chloe’s chest. "Mmmph. Morning, gorgeous," she murmured, her voice thick. Her hand snaked out, palming the fuller curve beneath the thin shirt, her thumb brushing a nipple that hardened instantly under the thin fabric. "Still impressive. Definitely bigger than yesterday. Like… proper handfuls." She squeezed experimentally.

Chloe caught her wrist, not roughly, but firmly. "Alice. Don't."

Alice’s eyes widened slightly, surprised, then softened with understanding. She pulled her hand back. "Okay. Sorry. Just… appreciating." She pushed herself up on one elbow, her gaze drifting lower, past Chloe’s waist. "And… him? Quiet today?"

Chloe swallowed. "Seems like it. For now." The ‘for now’ hung unspoken but heavy.

Alice’s eyes sparked, that familiar, thrilling mix of curiosity and desire flaring. She swung her legs out of bed, padding naked to the cluttered corner desk. The worn notebook lay open, a pencil resting beside it. "Let’s just… document," she said, her tone light but carrying an undercurrent of that artist’s clinical fascination. "Baseline. For Dr. Reed."

Chloe sighed, pushing herself up. The movement made her breasts sway, the unfamiliar weight noticeable. She caught her reflection in the mirrored closet door. The soft curves were more pronounced, rounding out the thin sleep shirt. Feminine. But the sheer presence of her cock, thick and long even in its flaccid state, dominated the lower half of her reflection. A jarring juxtaposition. She looked away.

Alice returned with the measuring tape, her expression focused. "Okay, stand." Chloe complied, standing naked before her. The cool air raised goosebumps on her skin. Alice moved behind her, the tape snaking around her ribcage, just beneath the swell of her breasts. Her fingers were deft, professional. "Deep breath in," Alice instructed. Chloe inhaled. The tape tightened. Alice noted the number in the book, her brow furrowed in concentration. "Okay, over the fullest part." The cool plastic pressed against Chloe’s sensitive nipples. She flinched. Alice murmured an apology, her breath warm on Chloe’s shoulder blade. Another number scribbled.

Then Alice knelt. Chloe felt her own pulse quicken. This was the part she dreaded, the part Alice craved. The tape slid around the thick base of her cock. Alice’s fingers brushed the heavy sac beneath. Chloe closed her eyes. The measurement felt interminable. Alice moved the tape along the length, stopping just below the head. Chloe knew the number would be unchanged. A small victory that felt hollow against the fresh data about her chest.

Alice stood, looking at her notations. "Huh. Significant increase up top. Zero change down here. The pills are definitely prioritizing the trade." She looked up at Chloe, her eyes gleaming. "Fascinating"

Chloe snatched the robe from the bedpost, wrapping it tightly around herself, suddenly feeling exposed. "Yeah. Fascinating."

Alice stepped closer, ignoring the robe, her hand slipping inside to cup Chloe’s breast again, her thumb circling the hardened peak. "Don't be mad," she breathed, her other hand sliding down Chloe’s belly, under the robe’s belt, seeking the heat between her legs. "I just… seeing you change… knowing I get to experience it…" Her fingers found Chloe’s cock, already swelling under the touch. "It makes me so fucking wet, Chloe."

A jolt of pure, unwelcome heat shot through Chloe. Not arousal she wanted, not right now, but her body betrayed her. Her cock, dormant moments ago, stirred heavily against her thigh, thickening rapidly under the robe. "Alice, stop," she managed, her voice strained.

Alice didn’t stop. Her fingers worked Chloe’s cock with practiced precision. "You feel it too," she whispered, her lips brushing Chloe’s earlobe. "That fire. It’s different now. Hotter. Hungrier. The pills… they didn’t just trade size, did they? They cranked your engine, baby." She pinched Chloe’s nipple hard through the robe fabric at the same moment she thrust two fingers deep inside her.

Chloe gasped, her knees buckling slightly. A wave of intense, almost painful need crashed over her, obliterating her resistance. The lethargy was gone, replaced by a raw, primal urgency that coiled tight in her gut. Her cock surged to full, aching hardness, tenting the robe obscenely. The blend of unwanted breast sensitivity and the aggressive assault on her clit was overwhelming. "Fuck!" she hissed.

Alice pulled her hand away. She pushed the robe open, her hungry gaze devouring Chloe’s naked form – the heaving, fuller breasts, the massive erection jutting below them. "That’s it," Alice breathed, her own arousal slick on her thighs. She took a step back, then lay down on the bed, spreading her legs wide, presenting herself. Her pussy glistened, swollen and inviting. "I need it, Chloe. Right now. I need that fucking monster cock splitting me open."

The crude words, the blatant display, the need radiating from Alice… it snapped the last thread of Chloe’s control. The anxiety, the confusion about her changing body, dissolved into pure, unadulterated lust. A growl, low and feral, rumbled in Chloe’s chest. She shrugged the robe off, letting it pool on the floor. Her breasts bounced with the movement, the stiff nipples pointing accusingly. But her focus was entirely lower, locked onto Alice’s waiting wetness and the thick, throbbing length of her own cock, dripping pre-cum onto the rug.

She climbed onto the bed, looming over Alice, her green eyes dark with hunger. Her cock, massive and veined, hovered over Alice’s dripping slit, the swollen head glistening. "You want it?" Chloe’s voice was rough, unfamiliar even to herself. "You want this fucking thing destroying your tight little cunt?"

Alice moaned, arching her hips upwards, trying to impale herself. "Yes! God, yes! Fuck me with it! Stretch me! Fill me up!" Her fingers dug into her own breasts, pinching her nipples.

Chloe didn't tease. The need was too urgent, a furnace roaring in her blood. She gripped the base of her cock, the sheer girth almost too much for her own hand. With a grunt, she guided the bulbous head to Alice’s entrance, pressing against the slick resistance. Alice whimpered, pushing back, trying to take it. Chloe drove her hips forward.

The initial stretch was brutal. Alice cried out, a sharp sound that morphed into a guttural moan of pure ecstasy. Chloe felt the incredible tightness yield, then clamp down fiercely as she sank deeper, burying inch after thick inch into the molten heat. Alice’s legs wrapped around Chloe’s waist, heels digging into her ass, pulling her deeper still. "Oh FUCK! Chloe! It’s… so deep! So fucking huge! Don’t stop! Give me all of it!"

Chloe bottomed out, her pelvis grinding against Alice’s, her massive cock buried to the hilt. The feeling was mind-numbing – the all-consuming heat, the intense pressure, the way Alice’s inner walls gripped and fluttered around her girth. She held it for a second, savoring the feeling of being impossibly deep, completely sheathed. Then she pulled back slowly, almost entirely out, reveling in the wet drag against Alice’s stretched lips, before slamming home again with a powerful thrust that shook the bed.

"Ungh!" Alice gasped, her head thrashing on the pillow. "Yes! Harder! Fuck me harder!"

Chloe obeyed. Her libido, amplified and undeniable, took over. She set a punishing rhythm, her powerful hips pistoning, driving her cock into Alice’s cunt with deep, brutal strokes. Her breasts bounced wildly with each thrust, the unfamiliar weight and sensitivity adding a sharp counterpoint to the overwhelming pleasure radiating from her cock. The slap of skin, Alice’s ragged cries, and Chloe’s own guttural grunts filled the room, drowning out the fan.

"Take it!" Chloe snarled, her voice thick with lust. "Take every fucking inch! You wanted it bigger? Take it!" She angled her hips, grinding her pubic bone hard against Alice’s clit on each downward plunge.

Alice screamed. Her body convulsed, legs tightening like a vise around Chloe. "I’m cumming! Oh GOD! CHLOE! YOUR COCK! IT’S MAKING ME CUM!" Her inner muscles clamped down in violent, rhythmic spasms, a powerful vise milking Chloe’s engorged shaft.

The intense pressure, the raw sounds, the sight of Alice unraveling beneath her – it detonated Chloe’s own climax. She roared, a sound ripped from her core, primal and unrestrained. She slammed in one final, brutal time, hilting herself impossibly deep as thick, hot ropes of cum erupted, jetting in powerful spurts deep into Alice’s contracting channel. She pulsed and throbbed, emptying herself completely into the welcoming heat, each convulsion wracking her body, her breasts heaving with the force of it.

She collapsed forward, shaking, gasping for air, her softening but still immense cock buried deep as Alice trembled beneath her. Sweat slicked their skin. The air reeked of sex and exertion. Distantly, Chloe heard the clatter of the measuring tape falling from the edge of the desk onto the wooden floor. She didn’t care. All she felt was the profound emptiness of release and the heavy, unfamiliar ache in her chest. The beast was fed. For now. But the roar still echoed in her ears, a sound that felt less human and far more… demanding.

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