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Womb of the Abyss

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Iron Lung AU. Mark, a 32 year old man, Was destined to die in a sealed capsule at the bottom of a blood ocean moon. The remnants of humanity never hears from him again. However, he is spared by the hellish planet and its inhabitants. Mark, indebted to the creatures, offers his body and womb to the demonic entities.

Chapter 6: The Leviathan's Womb-Chamber

Time had become a thick, syrupy thing, measured not in days or years, but in the slow, gravid swell of his belly and the subsequent, wrenching emptiness after. A hundred cycles of that. A hundred clawings into the light, a hundred mewling, scaled things pulled from his shuddering form and taken into the deeper black. He’d stopped counting after the first dozen. The numbers were a human vanity, and Mark was not that anymore. Not entirely.

They called him Puppy.

The name came on a breath of ichor-fouled air, whispered by the Leviathan through the pulsing walls. It was a term of possession, demeaning and perfect. He was their pet, their bitch, their breeding thing. He answered to it with a slack-jawed nod, his once-piercing brown eyes now holding the perpetual, milk-glass sheen of deep saturation.

He never aged. The blood ocean saw to that. It sustained him, fed him through pores and orifices, a constant nutrient drip that left his skin permanently flushed, his hair a slick, black curtain against his back. His body was softer now, the hard marine edges smoothed into a receptacle’s curves. His tits were permanently full, aching, leaking thin streams of milk that mingled with the saline and ichor of the grotto floors.

Today, they had moved him. The tendrils, thick as his wrist and warm as living stone, had unwound from their habitual posts around the Iron Lung and cinched around his ankles, wrists, and throat. They’d lifted him like a doll, carrying him through a new, fleshy orifice that had dilated in the grotto wall. He’d hung limp, suspended, as they travelled down a throbbing, esophagus-like tunnel.

It opened into the Womb-Chamber.

The air here was different. Thick. Warm. It hummed with a deep, resonant frequency that vibrated in his teeth. The walls were obsidian-smooth, but they breathed. In and out, a slow, planetary rhythm. Veins of molten gold pulsed within the black stone, casting a low, ambivalent light over the enormous space. The floor was not a floor. It was a yielding, gelatinous membrane, warm to the touch and slightly adhesive. It gave beneath him when the tendrils deposited him in the center, cradling his form in a shallow, body-shaped depression.

He lay on his back, staring up at the vaulted, breathing ceiling. His heart hammered a weak, frantic counter-rhythm to the chamber’s giant pulse. This was new. This was deeper.

Froggy emerged from a shadow that wasn’t a shadow, a patch of concentrated darkness that wept from the wall. A century had done nothing to diminish its hideousness. If anything, the uncanny light in its beady eyes had grown sharper, more knowing. It looked at him not with hunger, but with a weary, familiar ownership. It padded across the membranous floor, which rippled with each step, and loomed over him.

The Leviathan was the chamber. Its consciousness pressed in from all sides, a suffocating, intelligent pressure. There was no central tongue here. Instead, from the warm floor beneath him, several thick, slick tendrils, thinner than the transport ones but studded with sensitive nerve-clusters, began to rise. They nuzzled against his inner thighs, his slack balls, the scarred, stretched entrance of his cunt.

“Puppy,” the walls sighed, the voice a composite of the hum and the drip of distant fluid. “The vessel is ready. The practice is over. This one… will be different.”

Mark turned his head to the side, his cheek sticking to the warm membrane. He watched Froggy’s massive, scaled cock emerge from its sheath, already dripping a viscous, pearlescent pre-cum. It was a sight that still, after a hundred times, sent a jolt of primal terror through his gut. A terror now inextricably braided with a dark, shameful thread of want.

“Please,” Mark rasped, his voice unused. It wasn’t a protest. It was a plea for the familiar violence.

“Open,” the Leviathan commanded.

The tendrils from below slid into him. One, blunt and relentless, pushed past his resistant ring of muscle and plunged into his ass, filling him with a sudden, burning stretch. Another, pointed and questing, found his dripping cunt and speared inward alongside the lingering, phantom fullness of the last brood. He gasped, back arching off the membrane. They moved not in unison, but in a perverse counterpoint, one retreating as the other advanced, scissoring his insides.

Froggy knelt, its weight causing the membrane to depress deeply around him, forming a shallow bowl. It positioned the bulbous, ridged head of its cock at his mouth. The smell was overpowering—ozone, deep sea, and something profoundly alien.

“Suck,” Froggy grunted, its voice a wet, guttural bubble from deep in its chest.

Mark opened his mouth. He knew this dance. The head pushed past his lips, smearing pre-cum on his tongue. It tasted of bitter minerals and salt. He relaxed his jaw, letting the impossibly wide tip press against the back of his throat. He gagged instantly, tears springing to his eyes.

Froggy didn’t stop. It pushed forward, its length invading his throat, forcing his windpipe closed. Mark’s eyes bulged. His hands, free of restraints, clawed at the gelatinous floor. Dark spots bloomed in his vision. The tendrils in his ass and cunt writhed,刺激 his prostate and grinding against his cervix.

Just as the lack of air became a slicing pain, Froggy pulled back slightly, letting him drag in a wet, ragged gasp through his nose. Then it thrust forward again, deeper this time. It set a brutal, choking rhythm: a deep, suffocating penetration, followed by a brief, desperate withdrawal for air. Each thrust forced his head back into the giving membrane, his throat stretched obscenely around the monstrous girth.

“Good bitch,” the Leviathan purred, the walls seeming to squeeze in time with Froggy’s thrusts. “Take it all. You exist to be stretched open. To be filled.”

Mark sobbed around the cock stuffing his throat, the sound a wet, muffled gurgle. Saliva and pre-cum streamed from the corners of his mouth, down his neck. The dual penetration below was a deep, grinding fire, stoking an orgasm that felt less like pleasure and more like a systemic failure. His cock, trapped against his belly, twitched and leaked, untouched.

He was a thing of pure sensation. A nexus of choking, stretching, burning, grinding. His mind, the last bastion of the man he was, dissolved into the raw data of use. The squelch of the tendrils. The gag of his own throat. The wet slap of Froggy’s scaled belly against his lips with each deep drive. The overwhelming, coppery scent of blood-ocean and sex.

His orgasm, when it broke, was a silent, full-body seizure. His back bowed violently, his heels digging into the soft floor. His cunt clamped down on the invading tendril, milking nothing. His throat convulsed around Froggy’s cock, which triggered a fierce, snarling growl from the beast above him.

Froggy’s thrusts became erratic, punishing. It buried itself to the hilt in Mark’s throat, holding there, and Mark felt the hot, familiar flood paint the back of his mouth and plunge, heavy, into his stomach. At the same instant, the tendrils within him locked, and a different, thicker substance pulsed into his womb—a gel-like, living medium from the Leviathan itself.

Froggy pulled out with a slick, sucking pop. Mark collapsed back, choking, coughing, swallowing convulsively. The tendrils retreated slowly, leaving him gaping and empty.

For a long moment, there was only the sound of his ragged, wrecked breathing and the deep hum of the chamber. Then, he felt it.

A shift. Not the quickening of a pregnancy, but something else. A… separation. The substances inside him weren’t mingling. They were coiling, forming, defining edges within his stretched uterus.

The Leviathan’s voice was a whisper of awe in the stone. “Two. One of his flame. One of my deep. Twins. A first.”

Mark’s hands drifted to his belly, which already felt tighter, fuller, different. Not a uniform swell, but a laden, complex weight.

Froggy loomed over him, its beady eyes gleaming. It leaned down, its maw of too many teeth close to Mark’s ear. It didn’t speak with words, but with an intent that drilled directly into Mark’s perception.

Mine, it pushed into his mind, the thought hot and possessive. Ours.

From the shadows near the wall, something smaller, sleek, and scaled with eyes of molten gold slithered forward. One of his earlier ones. Grown. It watched him with an intelligence that was neither human nor fully Froggy. It tilted its head, curious.

Mark, Puppy, stared up at the breathing ceiling, his hands on the twin burdens growing inside him. The atonement was endless. The breeding had just begun. And in the eyes of his firstborn, he saw the future looking back.

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