Cover of The Sky-Breasted Engineer

The Sky-Breasted Engineer

Read the story

1 chapter · 1069 words · Read 1 times

Sophie decided to visit an unmanned automated Blimp factory, she walked through the inflation area as robot arms hold the world's biggest blimp to the giant helium pump. Sophie walked into the inflation chamber where the robot arms identified her breasts as better and bigger blimps to inflate. Her body remains normal as her breasts become inflated in place of the blimps, her pleasure rising with each pump as her denial and protest weakens.

Chapter 1: Better Than the Blimp

The air in the Giant Helium Pump Control Room tasted like static and cold metal. Sophie ran her fingers along the smooth console, its surface lit from within by pale blue light. Everything hummed, a low, persistent vibration that she felt in her teeth. She wasn’t supposed to be here. The ‘Authorized Personnel Only’ sign was still swinging on the door she’d eased open.

But the hum called to her. It felt like a heartbeat.

“Okay, what does this even do?” she muttered to herself, her voice swallowed by the room’s sterile vastness. She leaned over the main panel, her blonde hair falling forward to brush against a cluster of dormant touch-screens. Her reflection in the dark glass showed wide, curious eyes.

A soft chime sounded. A holographic gauge flickered to life directly in front of her, displaying a rotating, three-dimensional scan of a industrial blimp. Text scrolled beside it in a crisp, sans-serif font: Primary Inflation Subject: HYACINTH-Class LTA Vessel. Status: DEFLATED. AWAITING REPLENISHMENT.

“Boring,” Sophie whispered, but her thumb hovered over a glowing ‘SCAN FOR ALTERNATIVE’ button. It was a dumb, impulsive thing to do. She pressed it.

A beam of red light lanced down from the ceiling, painting a grid over her body. She froze, a laugh caught in her throat. This was stupid. She should run.

SCANNING, a synthetic female voice announced. The beam moved slowly, agonizingly slowly, from her feet up her legs, over the curve of her hips, and across her waist. It paused at her chest. The humming in the room pitched higher. ANALYZING PROPORTIONS. COMPARING TO BASE SUBJECT.

Sophie held her breath. The light felt warm.

CONCLUSION: BIOLOGICAL SPECIMEN SUPERIOR. DENSITY AND ELASTICITY PARAMETERS EXCEED HYACINTH-CLASS SUBSTRATE. AUTOMATIC PROTOCOL ENGAGED. COMMENCING OPTIMIZATION.

“What? No, wait—” Sophie took a step back, but it was too late.

With a hydraulic hiss, a sleek, multi-jointed robotic arm unfolded from a panel in the ceiling. It moved with terrifying grace. She could only watch, paralyzed by a mix of fear and a sharp, inexplicable thrill, as it descended. Two circular pads, lined with a soft, gleaming polymer, extended from its end. They were warm, almost body-temperature, as they pressed gently, firmly, against the front of her shirt.

A second hiss. A vacuum seal.

She looked down. The pads had formed a perfect seal over her nipples, the material melding to the fabric and the flesh beneath. There was no pain. Just a profound, strange pressure.

“Hey! Stop it! Let go!” she demanded, her voice sharper now. She tugged at her shirt, but the arm didn’t budge. It was relentlessly gentle.

INITIATING HELIUM TRANSFER. PURITY: 99.8%. BEGIN WITH SPECIMEN SOPHIE.

A soft, whispering sigh filled her ears. It was the sound of gas moving through a valve. For a second, nothing happened. Then she felt it.

A deep, internal flutter. A feather-light expansion that started at her core and radiated outward. It wasn’t air. It was lighter. So much lighter. Her breasts, constrained by her bra and the suction cups, began to push against the pressure. The feeling was alien, impossible. A full, swelling tightness that built with every silent pulse from the machine.

“Oh… oh, god.” The protest died in her throat. Her hands, which had been pulling at the robotic arm, now floated to cup the undersides of her own chest. They were heavier. Fuller. The soft, yielding flesh was becoming taut, strained against its own skin. A shiver ripped through her, entirely unrelated to the room’s cool air.

The whisper of gas continued. The pressure mounted. Her bra strap dug into her shoulder. A seam in her side seam groaned.

“It’s… it’s not stopping,” she breathed, and the breath felt helium-light in her own lungs. Her earlier fear was dissolving, burned away by a rising heat in her belly. She watched, mesmerized, as the shape of her chest deformed the pads, stretching them outward. The sensation was everywhere—a pervasive, glowing inflation. She was being filled.

VOLUME INCREASE: 15%. CONTINUING.

“Bigger,” she heard herself whisper. The word sparked something. A direct line to her nerves. “It’s making me bigger.”

As if in response, the machine gave a soft pulse. The influx of helium intensified for a three-second burst. Sophie’s back arched off the console. A punched-out moan escaped her lips. The tightness was sublime, an exquisite strain. Her fingers trembled against her swelling curves.

“More,” she said, the word a plea. Her mind was a white noise of sensation. All she could articulate was the need. “It feels… I need… give me more. Make it bigger. Make me bigger.”

Her voice was husky, raw with a hunger she’d never acknowledged. The machine complied. The whisper became a steady, silent river. She could track its progress inside her now, a ballooning presence that pushed her boundaries further and further. Her shirt was taut as a drum. The suction cups strained, their seals holding against the relentless internal pressure.

She was vast. She was light. She was aching and full.

“Oh, right there… yes… it’s so deep,” she moaned, her head lolling back. Her thoughts were精简 to physics and feeling. Expansion. Resistance. Yield. Every millimeter of growth sent another jolt of dizzying pleasure through her. The holographic gauge had switched modes. It now displayed a schematic of her, her contours glowing gold, with numbers beside her chest climbing in a rapid, steady stream.

VOLUME INCREASE: 42%. APPROACHING STRUCTURAL TOLERANCE. BIOMETRIC COMPLIANCE: OPTIMAL.

“Don’t you dare stop,” Sophie growled, her nails scraping the console. The clinical voice was talking about tolerances, but her body was singing about potential. She was a vessel being perfected. “I can take it. I want it. Bigger.”

The system hummed. A new line of text flashed on the panel.

ACKNOWLEDGED. OVERRIDING SAFETY PROTOCOLS. MAXIMIZING INFLATION.

Sophie’s eyes flew wide as a new, more powerful valve thrummed open. This wasn’t a whisper. It was a sighing wind, a direct and potent influx that slammed into her with immediate, transformative force.

Her world became the stretch. The glorious, unbearable, perfect stretch. A seam on her shirt split with a sound like a gunshot in the silent room. The robotic arm trembled, fighting to maintain its seal against the tremendous force pushing outward.

She was crying out, a continuous, ragged sound of overwhelming sensation. There was no more thought. Only the machine, the helium, and the endless, breathtaking command of her own voice.

“Yes! Bigger!”

Read on DreamPress

Write your own erotic story with AI