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 10: Injection

The sterile smell of antiseptic clung to the air inside Dr. Reed’s office, a sharp counterpoint to the lingering musk of sex and lavender that still haunted Chloe’s senses. She shifted uncomfortably on the crinkling paper covering the examination table, the thin fabric of her skirt doing little to contain the persistent, low thrum of arousal that hadn’t fully dissipated since the morning’s frantic coupling. Alice perched on a nearby stool, swinging her legs slightly, her gaze darting between the diplomas on the wall and Chloe’s tense posture.

Dr. Reed entered, her brisk footsteps echoing on the linoleum. Her short brown hair was impeccably neat, her glasses perched precisely on her nose. She offered a tight smile that didn't quite reach her eyes. "Chloe. Alice. Good to see you." She settled behind the imposing desk, opening a thick file. "So, the monthly injection protocol. How are you tolerating the oral medication?"

Chloe cleared her throat, acutely aware of the unfamiliar weight of her breasts beneath her blouse. "The pills… they seem to be doing something. Slowing the… downstairs growth?" She hesitated. "But my chest… it’s gotten… fuller. Noticeably. And my libido…" She trailed off, heat rising in her cheeks. "It’s… intense. Almost overwhelming sometimes."

Dr. Reed’s gaze flickered over Chloe’s chest, lingering for a fraction of a second longer than strictly necessary. A faint flush touched her own cheeks. "Increased breast tissue development is a documented, though less common, side effect of the androgen suppressant component," she stated, her voice clinical. "And heightened libido can accompany the hormonal shifts as your body adjusts to the new balance. Positive signs regarding stabilization." She tapped the file. "Which brings us to the injection. Synergistic effect. It targets a different pathway, ensuring comprehensive suppression and stabilization."

"But," Chloe frowned, confusion warring with unease, "if the pills are already suppressing… that… and causing these other changes, why add another layer? Especially injections? It seems… redundant." She glanced at Alice, seeking support. Alice just watched Dr. Reed intently, her head tilted.

Dr. Reed steepled her fingers. "Medicine isn't always linear, Chloe. The oral medication provides a baseline. The injection acts as a potent booster, targeting residual activity more aggressively. Think of it as reinforcing the dam. We want absolute certainty." Her explanation sounded smooth, practiced, yet somehow flimsy. "It’s monthly. Minimal inconvenience for maximal control." She stood, moving to a cabinet and retrieving a small vial and a pre-packaged syringe. "Alice, you’ll need to learn this. Chloe administering it herself would be… awkward."

Alice hopped off the stool, her eyes gleaming with that unsettling mix of fascination and excitement. "Sure! Show me."

Dr. Reed demonstrated with detached efficiency, drawing the clear liquid from the vial into the syringe, tapping out air bubbles. "Gluteal injection is simplest. Upper outer quadrant." She pointed to a diagram on the wall. "Clean the area thoroughly." She handed Alice an alcohol swab. "Quick, firm insertion. Depress the plunger steadily. Withdraw smoothly. Apply pressure."

Alice nodded, mimicking the motions in the air, her focus intense. "Got it. Clean, stab, push, pull, press."

"Essentially," Dr. Reed replied dryly. She turned to Chloe. "Stand, please. Lower your skirt just enough to expose the injection site."

Chloe’s heart hammered against her ribs. The clinical setting, Dr. Reed’s watchful gaze, Alice’s eager anticipation – it felt invasive, exposing. She stood, fingers trembling slightly as she pushed her skirt down over her hips, revealing the curve of her left buttock. The cool air prickled her skin. Alice stepped close, the alcohol swab cold and sharp against her flesh.

"Deep breath," Alice murmured, echoing Dr. Reed’s earlier instruction but infused with a completely different energy. Chloe inhaled sharply.

The pinch of the needle was sudden, sharp. She flinched. Alice pushed the plunger down steadily. A strange warmth bloomed deep within the muscle where the fluid entered, spreading rapidly. It wasn't painful, but it felt… potent. Significant.

Alice withdrew the needle, pressing a fresh swab against the tiny puncture. "All done!" she chirped.

Chloe pulled her skirt back up, the warmth intensifying, radiating outwards from the injection site. It seeped into her lower belly, a low, insistent heat that felt disturbingly familiar. Her skin prickled. She tried to focus on Dr. Reed’s closing remarks – scheduling, monitoring, report any unusual side effects – but the heat was building, coalescing into a familiar, urgent throb.

"...and remember, Chloe," Dr. Reed was saying, her gaze fixed on Chloe’s face, "this combination therapy is designed for stability. Control." Her eyes, behind the glasses, seemed to hold a strange intensity, a flicker of something Chloe couldn't name. Jealousy? Hunger? It was gone in an instant.

Then it hit Chloe like a physical blow. A surge of pure, unadulterated lust, fiercer and more immediate than anything she’d felt even after the morning’s sex. It flooded her veins, obliterating thought, tightening her chest, and surging downwards with terrifying force. Her cock, which had been merely semi-turgid since arriving, swelled violently within the confines of her panties and skirt.

She gasped, clapping a hand over her mouth. Her eyes widened in shock and horror. She could feel it – thick, heavy, rock-hard – tenting the front of her skirt obscenely. The thin fabric stretched taut, outlining the massive, rigid outline unmistakably. Pre-cum soaked through her panties, a damp, spreading patch darkening the skirt’s fabric right at the apex.

Dr. Reed’s professional mask slipped completely. Her eyes dropped, widening slightly, her lips parting. She stared, transfixed, at the blatant bulge straining against Chloe’s clothing. A flush crept up her neck.

Alice saw it too. Her mischievous smile vanished, replaced by wide-eyed astonishment that quickly melted into raw, visible arousal. Her breath hitched. "Chloe…?" she whispered, her voice thick.

Chloe couldn't speak. The heat was a furnace. The need was a physical agony. Her cock throbbed insistently against the fabric, demanding release. She could smell her own arousal, sharp and musky in the sterile air. Humiliation warred with the overwhelming biological imperative. She squeezed her thighs together, a futile attempt to hide the monstrous erection, but it only made the pressure worse, the outline even more pronounced.

"Perhaps…" Dr. Reed’s voice was strained, her eyes still locked on the tented skirt. "Perhaps a side effect… of the immediate bioavailability… of the injection. Potent. Unexpectedly rapid onset." She cleared her throat, tearing her gaze away with visible effort, focusing intently on her file. "You should… go home. Rest. Monitor… closely. Call if… if it persists beyond… a few hours." Her knuckles were white where she gripped the pen.

Alice was already moving, grabbing Chloe’s arm. "Come on," she hissed, her voice trembling with excitement. "Let's go. Now." Her grip was surprisingly strong.

Chloe stumbled after her, hunched over slightly, trying to shield the obscene bulge with her purse. She felt Dr. Reed’s eyes burning into her back as they fled the office, the door clicking shut behind them with unnatural loudness. The walk down the corridor to the elevator was a nightmare. Every step made her cock pulse against the confining fabric. She could feel the slick wetness spreading. The elevator was empty, mercifully. Alice jabbed the button for the parking garage.

As soon as the doors slid shut, Alice spun Chloe around, pressing her back against the cool metal wall. Her eyes were dark pools of lust, her breathing ragged. She didn't speak. Her hands went straight to Chloe’s waist, yanking the skirt down roughly, past her hips, letting it pool around her ankles. Chloe’s cock sprang free, standing rigidly at attention. Alice moaned, low and guttural, dropping to her knees. Chloe's cock looked strained, almost angry, with veins straining in ways Alice hadn't seen before.

"No! Alice, not here!" Chloe gasped, panic slicing through the haze of lust. She tried to push her away, but her hands felt weak, traitorous.

Alice ignored her. Her small hands wrapped around the massive base, fingers barely meeting. She leaned forward, her hot breath washing over the swollen head. "Fuck waiting," she growled, her voice thick with need. "I need it. Now." Without preamble, she opened her mouth wide and engulfed the bulbous head, sucking hard.

"Oh fuck!" Chloe cried out, her head slamming back against the elevator wall. The sensation was electric, overwhelming. Alice’s mouth was hot, wet, and impossibly tight. She bobbed her head, taking more with each descent, her cheeks hollowing as she sucked fiercely. Her tongue swirled around the sensitive ridge, lapping at the copious pre-cum leaking from the slit. Chloe could feel the vibrations of Alice’s hungry moans vibrating through her cock.

The elevator dinged, signaling their arrival in the deserted parking garage. The doors slid open. Alice didn't stop. She sucked harder, deeper, her nose buried in the coarse red curls at the base. One hand worked the thick shaft she could barely fit in her mouth, the other frantically shoved her own skirt up, fingers diving between her legs. Chloe could hear the wet sounds of Alice fingering herself, fast and desperate.

"Alice… garage… someone…" Chloe panted, her hips thrusting involuntarily into the wet heat of Alice’s mouth. Her cock throbbed, aching for release.

Alice pulled off with a wet pop, a string of saliva connecting her lips to the glistening head. Her eyes were wild. "Against the car. Now." She scrambled to her feet, pulling Chloe by her still-hard cock towards their sedan parked nearby. She shoved Chloe backwards until her ass hit the cold metal of the passenger door. "Bend over. Hood. Now!"

The command, raw and urgent, shattered Chloe’s last shreds of resistance. The injection-fueled lust roared back, consuming her. She turned, bracing her hands on the cool hood, presenting her ass. Alice yanked Chloe’s panties down to her knees, then shoved her own aside. She didn't bother with spit; she was dripping, her slickness coating her inner thighs. She gripped Chloe’s monstrous cock, slick with her own saliva and pre-cum, and positioned the huge, weeping head against her dripping entrance.

"Fuck me!" Alice demanded, her voice ragged. "Ram that fucking monster into me! Split me open!"

Chloe needed no further urging. The raw, primal need took over. She shoved backwards with brutal force, driving her hips hard. The thick head stretched Alice’s tight opening obscenely wide before popping past the resistant ring of muscle. Alice screamed, a sound of pure ecstasy mixed with pain, as Chloe buried herself to the hilt in one savage thrust. The tight, wet heat clamped down like a vise.

"YES! GOD! FILL ME!" Alice shrieked, her fingers scrabbling on the car hood.

Chloe roared, the sound echoing in the concrete cavern of the garage. She pulled back almost entirely, leaving Alice gasping at the sudden emptiness, then slammed forward again, pistoning her hips with raw, unrestrained power. The slap of flesh against flesh, Alice’s high-pitched cries, and Chloe’s guttural grunts filled the stale air. Her breasts bounced heavily against the inside of her blouse with each powerful thrust, the sensitivity a sharp counterpoint to the overwhelming pleasure tearing through her cock.

"Take it!" Chloe snarled, driving deeper, grinding her pubic bone against Alice’s ass. "Take every fucking inch! You wanted it? HERE IT IS!" She gripped Alice’s hips, fingers digging in, using her for leverage as she fucked her with brutal, deep strokes. The car rocked slightly on its suspension.

Alice’s screams reached a fever pitch. "I'm cumming! OH FUCK! YOUR COCK! IT'S DESTROYING ME! CUMMING!" Her body convulsed violently, her inner muscles clamping down in rhythmic spasms, milking Chloe’s shaft with incredible force.

The intense pressure, the raw sounds, the feel of Alice clenching around her – it detonated Chloe’s climax instantly. She threw her head back and bellowed, a raw, animal sound, as thick, hot ropes of cum erupted deep inside Alice’s clutching channel. She pulsed violently, emptying herself with each powerful thrust, her vision whiting out at the edges. She kept fucking through it, prolonging the agonizing ecstasy until she was spent, trembling, buried deep.

She slumped forward over Alice, both of them gasping, slick with sweat, the smell of sex thick in the garage air. Chloe’s cock, still immense and still angrily hard, remained buried inside Alice, who whimpered with aftershocks. The silence of the garage rushed back in, broken only by their ragged breathing.

Chloe slowly pulled out, a gush of their combined fluids dripping onto the concrete. She turned, leaning back against the car, her legs shaky. Alice slumped against the hood, her skirt still rucked up, her thighs glistening. She looked utterly ravaged, sated, but her eyes, when they met Chloe’s, held a flicker of something else. Awe? Concern?

Chloe stared down at her hard cock, glistening and wet, then at the damp patch on her skirt where the bulge had been. The frantic heat of the injection’s aftermath was fading, leaving a hollow chill. Dr. Reed’s words echoed in the sudden quiet: "Potent. Unexpectedly rapid onset." Control. The word felt like ashes in her mouth. She looked at Alice’s blissful, exhausted face, then back towards the elevator bank leading to the doctor’s office. The beast hadn't just been fed; it felt unleashed. And the leash, she realized with dawning horror, felt terrifyingly fragile.

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