Chapter 40: Double Penetration
Mark’s world narrowed to the thick, invading heat pistoning down his throat. He gagged, a violent, reflexive convulsion that only made the new cock swell further against his soft palate. Tears blurred his vision. Saliva dripped in thick ropes from his stretched lips, slicking the base where the shaft emerged from Carol’s slick, pulsing slit.
Above him, Carol threw her head back, a broken noise of pure astonishment ripping from her. “It’s… it’s in your mouth,” she gasped, as if just realizing it. Her hips stuttered, pushing the new cock an inch deeper into Mark’s throat. The sensation was a live wire connecting directly to the base of her other cock, which was still ruthlessly buried in Eleanor. Each gagging vibration from Mark’s throat made her bigger cock twitch and leak inside her friend.
Eleanor felt it all. The subtle, brutal throbs translated directly through the flesh connecting them. She was impossibly full, stretched around a girth that now felt like it was reshaping her from the inside out. The extra folds of her labia, a side effect of Dr. Thorne’s pills, were splayed wide, gripping the shaft in a wet, hot seal. “Carol, I can’t… it’s too much,” she whimpered, but her body betrayed her, her cunt clenching in another weak, overwhelmed orgasm that was more about systemic shock than pleasure.
Carol didn’t seem to hear. Her focus was split, a dizzying feedback loop of sensation. She looked down, saw her husband’s face buried in her transformed crotch, his nose pressed against her pubic bone, his throat working around the invasive new flesh. A savage, possessive pride surged through her, burning away the last embers of her old self. The timid barista, the ignored wife—she was ash.
“Suck it,” Carol snarled, her voice guttural. She tangled a hand in Mark’s hair, forcing his head down harder. “You wanted to taste it, you fucking animal? Then taste it.” She began to fuck his face in short, brutal jerks of her hips.
Mark’s hands flew up, not to push her away, but to clutch at her thighs, his fingers digging into her skin. He surrendered to the rhythm, letting his jaw go slack, learning to breathe in sharp, desperate snorts through his flared nostrils. The taste was alien—salty, metallic like the air in the room, and underneath it, that clean ozone of her new lubrication. His own neglected cock, still thickened from the pills, twitched and leaked a puddle onto the yoga mat beneath him.
The pace escalated. Carol, driven by a need that was beyond horniness—it was a directive, a biological imperative—pounded into Eleanor with renewed ferocity while she face-fucked her husband. The living room echoed with the sounds: the wet slap of flesh on flesh, the choked gags, the raw, open-mouthed moans that poured from all three of them.
Eleanor’s mind unraveled. The insecurities about her weight, the quiet despair of her marriage, the professional precision she wore like armor—it all dissolved under the relentless, stretching fullness. She was just a body, a profoundly used and altered body, being remade by her best friend’s impossible cock. She came again, a silent, shaking seizure, her vision spotting at the edges.
Then Carol’s movements changed. They became erratic, juddering. A deep, guttural groan started low in her belly. “I’m gonna… fuck, I’m gonna come…”
It wasn’t like before. The orgasm that ripped through her wasn’t a singular event. It was a cascade.
Her primary cock, buried in Eleanor’s depths, swelled one final, excruciating time, the head ballooning to a knot-like thickness that locked it inside Eleanor’s gripping passage. Then it erupted. A hot, torrential flood of cum, far beyond any human volume, blasted into Eleanor’s womb. It wasn’t just thick; it was slightly viscous, warm as blood, and it came in endless, pumping waves that filled her, stretched her lower belly with a palpable, sloshing weight.
Simultaneously, the second cock in Mark’s throat pulsed, the rhythm frantic. Instead of cum, a flood of that same clear, slick fluid from the slit gushed down his throat. He swallowed convulsively, drowning in it, his eyes rolling back in his head as it overflowed from his lips and nose.
He swallowed convulsively, drowning in it, his eyes rolling back in his head as it overflowed from his lips and nose.
The flood finally ceased, leaving a shuddering quiet broken only by ragged breathing. Carol went limp, her muscles turning to liquid. The overwhelming pressure inside her subsided, replaced by a profound, tingling emptiness. She needed to see. She needed to understand what she had become.
She began to pull out.
From Mark’s throat, the secondary cock slid free with a wet, sucking pop, trailing strands of clear fluid that spattered across his stunned face. He collapsed onto his side, coughing and hacking, his throat burning.
From Eleanor, the withdrawal was an agonizing, slow-motion revelation. Carol’s primary cock, now slick with a mix of her own cum and Eleanor’s juices, seemed to emerge forever. Inch after thick, veined inch pulled from Eleanor’s impossibly stretched entrance, which gaped open, puffy and used, for a long moment before slowly beginning to close.
Eleanor whimpered, feeling hollowed out and brutally empty, a cold ache replacing the overwhelming heat.
Finally, it was out. Carol knelt back on her heels, staring down at herself.
The sight stole the air from the room.
Her primary cock lay heavily against her lower belly, a monstrous, flushed shaft of flesh. It was easily over a foot and a half long, thick as her own wrist, the prominent head glistening and wet. It pulsed gently, a living, alien thing. Below its root, the new slit was puffy and parted.
Protruding from it was the second cock, still erect. It was long and thin, perhaps nine inches, a pale pink contrast to the darker, thicker primary one. It twitched in the air, dripping that clear lubricant onto the mat.
“Jesus fuck,” Mark croaked, wiping his mouth, his eyes wide with a mix of horror and awe.
Carol reached a trembling hand down. Her fingers, hesitant, brushed the length of the thinner cock. The sensation was electric, a sharp jolt that made her gasp. It was incredibly sensitive, every nerve alive. She traced it down to where it emerged from the slick opening.
As she watched, fascinated, the long, thin shaft began to soften. Then, with a slow, organic undulation, it started to retract. It slid backward into the slit, an inch, then two, her flesh swallowing it whole. Within seconds, it had vanished completely, leaving only the moist, pink opening which clenched once, weeping a final pearl of fluid, before looking like nothing more than a second, vertical mouth.
All that remained was the massive, primary cock, resting heavily against her.
She looked from her own transformed body to Eleanor’s wrecked, trembling form, to Mark’s stunned expression. A strange, quiet power settled over her, cold and sharp. The weeping slit below her cock glistened in the lamplight.