Cover of The Lactation Experiment

The Lactation Experiment

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Helia was alone at a dairy farm, as she watched the cows she couldn't resist swallowing an experimental pill that increases milk supply to 10 times more than usual. As her breasts filled with milk she attached herself to a milking machine only when the machine turned on a hose came from the machine and inserted itself into her mouth making her belly swell with gallons of milk as she orgasmed again and again.

Chapter 1: The Experimental Pill

The barn was quiet, a hollow kind of quiet that amplified every shift of hay underfoot and every drip of water from a leaky tap. Golden afternoon light cut through the dust motes hanging in the air, painting the stainless steel of the milking machines in warm stripes. It smelled of old wood, sweet hay, and underneath it all, the faint, ever-present tang of milk.

Helia Melonowski leaned against the cold metal frame of the stall, her breath coming in short, tight puffs. In her palm, a single pill gleamed, iridescent like an oil slick. The lab guy had been sketchy, mumbling about "lactation amplification" and "voluntary participant stipends." She hadn'tt listened to most of it. The money was good, and the promise… the promise was a secret itch she couldn't scratch.

She swallowed it dry. It stuck in her throat for a second before going down.

For a moment, nothing. Then a low, deep ache began to bloom in her chest, a familiar pressure but intensified a hundredfold. It wasn’t pain, not exactly. It was a heavy, hot fullness that made her gasp and clutch at the front of her simple cotton dress. The fabric, which was always snug, grew taut.

“Oh, god,” she whispered.

She could feel them growing, the weight of them increasing, pulling at her shoulders and back. The soft undercurve of each breast grew heavier, spilling more into her palms as she held them. The nipples, already sensitive, tightened into hard, aching points, pushing visibly against the cloth. A warm, familiar dampness began to spread there. Not a leak, but a seep. The arousal was instantaneous, a liquid heat coiling in her belly that mirrored the pressure in her chest. Her breath hitched.

She had to relieve the pressure. Now.

Her movements were frantic, clumsy. She fumbled with the complex harness of the newest milking unit, the one the researchers had installed “for calibration.” The hoses were cool, smooth silicone. With trembling hands, she adjusted the wide, flange-like suction cups, guiding them onto her swollen flesh. They were almost too small. She had to stretch them to fit, the seal clicking into place with a soft, affirmative hiss.

The machine whirred to life with a low vibration.

The suction was profound, a deep, rhythmic pull that went straight to her core. Her knees buckled. A low moan ripped from her throat as the first streams of milk began to flow, not the usual trickle, but a torrent, hitting the empty collection jar with a powerful, frothy spray. The release of pressure was an ecstasy all its own, but it was followed immediately by another, more insistent sensation. The more milk she gave, the fuller she felt. A paradoxical, aching swell.

A second hose, unattached, snaked from the machine. Its end was a simple, open nozzle. It bumped against her lips, a cold, insistent nudge. A safety feature for drainage, the manual had said. Her mind was hazy, fogged with a need so deep it felt geological. She opened her mouth.

The hose slid in over her tongue. The machine pulsed.

It wasn’t milk that came first. It was a burst of warm air, inflating her cheeks. Then the milk came, rich and sweet and overwhelming, flooding her mouth in a continuous, gulping stream. She had to swallow or drown. Her throat worked convulsively as gallon after gallon was pulled from her breasts and forced down her throat. Her body was a closed, shuddering circuit of pleasure.

Her dress strained across her middle. A soft, popping sound came from the seams at her sides. She looked down, eyes wide with a mix of terror and blinding lust. Her belly was rounding, distending under the fabric, full of the very milk she was producing. The tightness was exquisite. The cotton dug into her softening waist, her expanding hips.

“Fuck,” she gasped around the hose, milk dribbling down her chin. “Oh fuck, I’m… I’m getting…”

The words sent a jolt through her, a white-hot wire of desire straight to her clit. Saying it, even half-formed, was a taboo shattered. Her back arched against the machine, making the suction cups pull harder. Her tits felt massive, like warm, milk-heavy planets tethered to her chest. The flow from the hose into her mouth seemed to increase, and she drank it down, feeling her stomach stretch further, her ass press more firmly against the metal behind her. The denim of her shorts was now painfully tight, the button digging a red mark into her burgeoning flesh.

A wave of orgasm built, not from touch, but from sheer, obscene fullness. From the sound of the machine, the sight of her body betraying her deepest, most secret hunger. It crested slowly, then all at once.

Her whole world zeroed down to the chant in her head, a word that beat in time with the machine’s pump and the pounding of her heart. It spilled from her lips around the gushing hose, a wet, milky mantra.

“Bigger… bigger… oh god, bigger!”

The climax was silent and devastating, a seismic wave of release that locked her muscles and bleached her vision white. She convulsed, held upright only by the machine’s hoses, her body pulsating, her overwhelmed cunt clenching around nothing. Rivers of milk sprayed into the collection jars, overflowed, and spilled onto the concrete floor in a hot, white pool.

The machine finally clicked off. The silence it left was deafening.

The hose fell from her slack mouth, drooling a last few drops. Helia slumped, heaving, supported by the framework. She was drenched in sweat and milk. Her dress was split at both seams, revealing the swollen curve of her belly, pale and taut. Her breasts, still encased in the flanges, felt impossibly heavy, fuller than they had ever been. The barn air was cold on her wet skin.

She looked at the mess, at her own distorted reflection in a clean steel panel. Shame, hot and immediate, flooded in behind the fading pleasure. What the hell was wrong with her?

She reached a shaky hand to release the suction. The seal broke with a wet, obscene pop. As the cups fell away, her freed breasts settled with a weight that was both alien and deeply, terrifyingly satisfying. They hung larger, lower, the blue veins more pronounced under the skin, nipples dark and pebbled.

She took a step forward. Her balance was off. The ground seemed further away. She felt… substantial. Not just fat, but dense. As if she took up more space in the world than she had an hour ago.

A heavy timber in the barn’s roof creaked, stressed by nothing she could see. Helia froze, listening. The only sound was her own ragged breathing and the steady drip… drip… drip of milk from the uncoupled hose onto the floor.

But the feeling persisted. A deep, subterranean hum in her bones. A sensation not of shrinking back, but of a held breath, a potential poised on the edge of release.

The chapter ends here.

The silence was a blanket, smothering. The only sound was the drip of residual milk from the open hose onto the growing puddle between her feet. Helia stared at the split seams of her dress, the shocking curve of her own belly. Shame curdled in her gut, thick and sour. This was wrong. She was a freak.

She moved to disconnect the main unit, her fingers slippery on the wet controls. As her hand brushed the central panel, a soft, digital chime echoed in the quiet barn. A new line of text, glowing a faint blue, scrolled across a previously dark screen: PHASE TWO: VOLUMETRIC STABILIZATION. ENGAGE?

Before she could react, before she could even think no, the machine whirred back to life with a deeper, more resonant hum. The discarded hoses on the floor jerked like awakened snakes.

“No, wait—stop!” Her voice was a hoarse crack.

It didn’t listen. The two main suction cups, still damp with her milk, leapt from their cradle. They clamped onto her nipples again with a precision that was chilling, the seal perfect and inescapable. The cold silicone mouth-hose slid up her thigh, over her swollen belly, and nudged past her lips with a terrifying agency. It pushed deep, hitting the back of her throat, making her gag.

Then the pumps kicked in.

This wasn’t suction. This was infusion.

A cold, light pressure flooded into her breasts. Not liquid. Something airy, and impossibly dry. It filled the ducts, the alveoli, pushing out from the inside. She felt them firm up, the soft, milk-heavy weight transforming into a taut, round fullness. They began to rise, lifting on her chest, perfect globes straining against their own skin. The sensation was utterly alien—a stretching from within that made the previous growth seem passive.

Simultaneously, the cold gas shot down the mouth-hose, forcing its way into her stomach, her intestines. A sharp, bloating pain made her cry out, the sound muffled by the hose. Her belly, already rounded from the milk, pressed outward with a new, gaseous insistence. The split seams of her dress tore further with a sound like ripping cardboard.

Bigger.

The thought was a spark in the tinder of her shame. It caught. The pain began to mutate, melting into a pins-and-needles euphoria. She was inflating. Actually inflating. Her denial, brittle at the best of times, shattered. This was the obscene fantasy she’d choked down for years, made metal and real.

A wild, frantic energy seized her. She needed more. She needed to feel it everywhere. Her eyes scanned the clutter of the barn workbench—tools, lubricants, spare parts. Her gaze locked on a slender, polished metal rod, about ten inches long, a calibrator for machine alignment. It was smooth. Cold.

With a grunt around the inflating hose, she lunged, grabbing it. Her moving body strained against the pumping hoses, her new dimensions making her clumsy. She fell back against the support frame, her ass now broader, spilling over the edge of the stool she was half-leaning on. The denim of her shorts bit viciously into her widening hips, the fly gaping open.

She didn’t hesitate. She shoved the waistband of her shorts and panties down to her thighs. The barn air was cool on her wet cunt. She was already dripping, arousal making a sticky mess on her inner thighs. The pathetic, ordinary pleasure of a hand wasn’t enough. Not for this. She needed to be filled, to match the inflation happening to the rest of her.

She positioned the blunt, cool tip of the metal rod at her entrance. She looked down, watching the relentless, geometric expansion of her own body—her breasts were shiny and hard-looking, like over-inflated beach balls, her belly a smooth, pregnant dome. The visual pushed her over an edge.

“Fuck me,” she slurred around the hose, the words distorted by the gas flowing into her.

She drove the rod inside herself in one brutal, impaling shove.

A sharp, bright pain flashed, then dissolved into an overwhelming fullness that perfectly mirrored the pressure in her tits and gut. It was deep, unnaturally deep, pressing places that had never been touched. She fucked herself with it, short, savage strokes, the metal sliding in her own slickness with a filthy, wet sound. Each thrust coincided with a pulse of helium from the machines, a symphony of expansion.

Her body was no longer her own. It was a monument to inflation. Her thighs thickened, pressing together around the rod in her hand. Her ass rounded, lifting off the stool, becoming two vast, inflated hemispheres. The creak of the barn’s wooden frame grew louder, a steady groan of protest. Her breasts lost all semblance of natural sag, becoming utterly spherical, the nipples pulled flat by the tension of the skin. The world narrowed to the pump’s rhythm, the stretch of her holes, the blinding need.

The orgasm built not as a wave, but as a summit she was rapidly ascending. Every gasp forced more helium into her, rounding her out, making her lighter, tighter, more impossibly huge. She was a balloon animal of her own most depraved imagination. The metal rod in her cunt felt like a grounding wire, the only solid thing in a universe of expansion.

Her chants were silent, screamed inside her skull. Bigger. Bigger. BIGGER.

The climax, when it ripped through her, was seismic. Her back arched violently, lifting her off the ground, held aloft only by the tension in the hoses. Her cunt clamped viscously around the cold metal inside her, milking nothing, spasming around the unyielding intrusion. A silent scream strained her throat around the hose. Her body shuddered, her swollen flesh rippling from the internal convulsions.

For a long moment, she hung there, a grotesque, inflated puppet. Then the machine chimed again. STABILIZATION ACHIEVED.

The pumps cut off. The hoses detached simultaneously, retracting with a slick, mechanical finality. The metal rod slipped from her slack grip and clattered to the concrete.

Helia collapsed.

But she didn’t fall. She floated.

Her immense, helium-filled body drifted down like a feather, settling onto the hay-strewn floor with an almost gentle rustle. She lay on her back, a beached, bloated colossus. Her breasts stood like glossy marble monuments on her chest, unmoving. Her belly was a smooth, perfect dome that rose higher than her chin. She felt the wooden floorboards bend under her new, distributed weight. She gazed up at the cracked skylights, her mind a perfect, blank void of satiation. The shame was gone, burned away in the furnace of the act.

Outside, a bird landed on the barn’s roof ridge. The structure groaned, a long, tired sound of overstressed timber. A shower of dust sifted down from the rafters, glittering in the late afternoon sun.

A shower of dust sifted down from the rafters, glittering in the late afternoon sun. It landed on her gargantuan belly, on the shimmering, tight skin of her breasts. Helia lay there, adrift on a sea of her own newness. The silence was complete, holy. It was the silence of a cathedral after a bomb has gone off, leaving only awe and wreckage.

Then, a low power-cycle hum resonated from the control panel. A row of lights she’d never seen before flashed sequentially from green to amber to a deep, pulsing crimson.

MACRO CAPABILITY ENGAGED. SYSTEM OVERRIDE. FULL VOLUMETRIC EXPANSION INITIATED.

The voice was synthetic, calm. Final.

Before she could even form a thought, the four retracted hoses shot out from the machine with the speed of striking cobras. Two found her nipples again, the suckers clamping on with a force that made her gasp—a gasp that was immediately stifled as a third hose, wider, colder, pressed against her asshole. It didn’t ask. It lubricated itself with a slick, cool gel and pushed.

“Oh, shit—!” The protest was cut short as the fourth hose, the largest yet, shoved past her labia, spreading her wide, and plunged deep into her cunt.

They were inside her. All of them. Filling her. The machine thrummed, a new vibration, lower than before, a frequency that seemed to shake her very bones.

It started slowly. Another infusion, but this wasn’t helium. It was dense, warm, and impossibly potent. It felt like liquid sunlight, like molten gold, pouring into the very core of her cells. The growth from before was a shy preview. This was the main event.

Her tits were the first to truly go. They swelled, not just outward, but upward. The spherical shapes began to push against each other, merging into a single, vast shelf of flesh that lifted from her chest. The hoses stretched with her, elongating, feeding the madness. She watched, hypnotized, as her own breasts rose past her face, blotting out the skylights, their underside becoming her new sky.

The pressure in her gut and pelvis was apocalyptic. The hoses in her holes pumped the expanding substance directly into her core. Her belly, already a dome, began to push outward with tectonic force. A deep, rending groan filled the barn—not from her, but from the structure itself. The wooden walls, thick as they were, began to bow. Nails squealed as they were pulled from joists.

“Bigger,” she whispered, then screamed it as a beam snapped overhead. “BIGGER!”

It was a feedback loop of ecstasy. Each creak of failing timber, each pop of a rivet in the milking machine as it was crushed between her expanding thigh and the wall, was a filthy drumbeat to her pleasure. Her ass inflated, the cheeks swelling apart, rounding into immense, soft globes that flattened against the floor and then began to lift the floor itself. The concrete cracked beneath her.

She was no longer lying down. She was a rising landmass. Her back pressed against what was left of the ceiling. With a sound of shattering glass and tearing tin, the roof peeled away. The cool evening air hit her skin. She saw the sunset, a stripe of orange and purple, and then she rose above it.

The barn ceased to exist. It splintered, collapsed, was crushed beneath the relentless advance of her hips, her ass, the small of her back. The machine, still pumping, was now a tiny, buzzing box attached to a goddess, its hoses like umbilical cords tethering her to a world she was rapidly outgrowing.

A city. The thought was a flash in the torrent. She was becoming a city.

Her tit-flesh rolled outward, a wave of soft, warm skin and fat, consuming the silos first. They crumpled like soda cans. The farmhouse vanished under the relentless, gentle pressure of her left breast. Her thighs, thicker now than skyscrapers were tall, settled across the highway. Asphalt buckled. Power lines snapped and coiled around her ankles like silly string.

The hoses kept pumping. The feeling was beyond orgasm. It was a continuous state of being fucked into infinity. The hose in her cunt pistoned mechanically, a relentless fucking motion that was now moving buildings, that shifted the very earth beneath her. She came constantly, in rolling, endless waves, each climax making her chant, her voice a booming thunder across the landscape.

“BIGGER! FUCK! BIGGER! YES! BIGGER!”

She felt the reservoir a mile away empty as her ass submerged it, creating a new, warm lake. She felt the forests on the hills become pubic hair. Her outstretched hand, fingers as wide as freeways, leveled a suburban development as she accidentally dragged it across the land, moaning.

She was the geography. Every pump made her vaster. Every shuddering breath she took sucked cars and trees into the vortex of her mouth. The sun dipped below the horizon of her own shoulder. The stars came out, speckling her skin.

The machine, a speck, finally short-circuited. The hoses detached. The pumps died.

Silence. Not the silence of a barn, but the silence of a new, warm, breathing continent lying under the night sky. Helia Melonowski, her body a sprawling, mountainous ecstasy, let out a sigh that became a gentle breeze over the plains of her belly. She was home.

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