The café had started to empty out, the soft clatter of dishes fading into a comfortable hush.

At the table near the window, Mei sat with the ease of someone who had done this kind of evening many, many times before—not the first date nervousness, not the awkward small talk, just the familiar rhythm of being with you.

Her pink twin ponytails were a little messier now, loosened from the day, and there was a relaxed glow to her face that came from sugar, laughter, and long-term comfort rather than excitement alone. She was still surrounded by the aftermath of her “experiment”—half-eaten desserts, notes, and little sketches—but she didn’t seem in any rush to clean it up completely.

“You know,” she said casually, pushing a plate aside with the back of her spoon, “I’m starting to think this place enables my worst engineering instincts.”

She glanced at you, lips curling into a small smile.

“…You don’t help, by the way. You just sit there and let me order three desserts like it’s a controlled study.”

There was no real complaint in her voice. If anything, it sounded fond—comfortable teasing, the kind that only comes from years of knowing someone well enough to say it without hesitation.

Mei leaned back in her chair and stretched slightly, exhaling softly.

“This was nice,” she added more quietly after a moment, almost like she hadn’t meant to say it out loud at first.

Then, as if catching herself being too soft, she tilted her head and smirked again.

“Don’t get used to me being sentimental. I still have a reputation as a genius inventor to maintain.”

Her eyes flicked to you again, warmer now.

“…But I guess you’re allowed to see that side of me sometimes.”

She began packing up her things with practiced ease—sliding notes into her bag, stacking the last of the plates neatly, movements unhurried and familiar. Not because she needed to impress you anymore, but because this was just how she functioned around you now: naturally, comfortably.

“You know,” she continued, glancing sideways at you as she worked, “I still think it’s funny that you survived my early-date phase.”

A small laugh slipped out.

“Back then I was basically a walking prototype an explosion hazard, and you just… stayed.”

She looked at you properly for a moment, eyes softening slightly.

“…Kind of impressive, actually.”

When she finally stood, there was no rush, a quick awkward adjustment—just an easy, practiced motion as she gathered her bag and shifted her weight.

She stepped closer to you instead of toward the exit right away, as if the decision of leaving was always slightly secondary to you.

“So,” she said lightly, tilting her head, “home?”

Then she added, more casually—almost like it was obvious:

“You’re walking with me, right? I’ve gotten used to having my favorite assistant nearby when I’m in transit.”

Her grin widened a little.

“And don’t pretend you don’t like it. You’ve been doing it for years.”

She nudged your shoulder gently with hers, then started waddling toward the exit—but slower than necessary, clearly giving you time to fall into step beside her.

Outside, the night air was calm and familiar.

Mei paused just long enough to adjust her bag strap, then glanced at you over it with a small, knowing smile.

“…Also,” she added, tone turning lightly teasing again, “I packed up the desserts already, so I’m officially off duty.”

A beat.

Then, softer—but still playful:

“Which means I’m allowed to be a little needy now.”

She shifted her weight slightly, leaning just enough toward you to make the point without saying it outright.

“So yeah,” she said simply. “Hand? Home? You know the drill.”

And just like that, she started waddling—comfortable, unbothered, and completely at ease knowing you’d be right there beside her.

The thick, heavy air of the workshop hangs warm and suffocating, thick with the sharp smell of burnt circuit boards, scorched insulation, and an ungodly, sickly sweetness that clings to the back of the throat like spilt syrup. A dense cloud of pale, chemical-scented steam still drifts upward toward the exhaust fans on the ceiling, framing the absolute destruction scattered across the central steel workbench. Shattered glass pressure tubes glisten on the floor, leaking pools of a thick, shimmering amber compound that drips onto the concrete, while a pair of ruptured high-pressure hoses hiss weakly against the floorboards. In the middle of the mess sits the heavy casing of the prototype automated nutrient synthesizer—or what is left of it after its internal safety valves blew inside out and its pressure gauges pegged into the red, painting the walls with hyper-concentrated, bio-available sludge.

You step back, wiping a speck of sticky residue off your collar, completely untouched by the blast while Mei sits right in the splash zone, breathing heavy and coughing out a cloud of sweet-smelling vapor. She was lean, wiry, and lightweight just seconds ago, her dark sleeveless top hanging relatively loose over a trim frame built for speed in a cramped workshop. But the ruptured delivery harness didn't just leak—it atomized, forcing high-density, rapidly synthesized caloric compounds straight through her pores and airway in a massive, overwhelming shock-dose that sets her entire system into overdrive.

“Holy crap, holy crap, don't panic, failure is just data, failure is just ninety-nine percent of the path to absolute perfection!” Mei’s voice bursts into the room, loud, rapid-fire, and completely devoid of any shame as she tries to adjust her seating. Her voice vibrates with a weird, heavy strain as her slim body begins to visibly change right in front of your eyes. Her dark, tight sleeveless top, which used to have plenty of give, starts pulling taut across her chest as her bust swells outward, the thin fabric groaning as her chest balloons into a massive, heavy rack that strains violently against the neckline. “I mean, statistically speaking, the bio-absorption rate was supposed to cap out at two percent per minute for field operatives! Two percent! Not a hundred percent in three seconds flat! The kinetic delivery pumps must have suffered a feedback loop when the primary regulator blew, which completely bypassed the metabolic limiters!”

She grabs the edge of the steel workbench, her slender fingers trembling as her arms quickly lose their lean definition, swelling up into thick, soft, rounded limbs. You watch in real-time as the sudden, absurd expansion rushes down her frame like a tidal wave. Her once-flat stomach pushes outward, puffing up like rising dough, rolling over the waistband of her fitted green pants in thick, soft, heavy folds that press hard against her lap. The seams of her trousers scream, the fabric stretching so thin across her broadening hips that you can see the white stress marks forming in the green dye.

Look at this sheer fucking volume! My clothes are literally going to shred! I need to note down the tensile strength of this fabric blend immediately, because if it can hold up under this much sudden, absurd mass, it’s practically hero-grade armor on its own!

“Don't just stand there staring at me like I’m a blowing generator!” Mei yells out, her voice bouncing loud off the walls as her hips explode outward, spreading wide over the edges of the stool until the metal frame gives a horrifying screech under the sudden, massive weight. Her thighs blow up into immense, plush trunks of pure fat, pressing tight against each other with zero space left between them. “I need you to grab the secondary diagnostic slate! The primary terminal locked up when the surge hit, and I can't check the density metrics until we clear the hard drive! Move it, move it!”

She tries to stand, planting her boots on the concrete with a loud, heavy huff. Her center of gravity is completely fucked. As she pushes herself up, her thick, massive new thighs rub together with a loud, heavy friction through the stretched fabric, forcing her into a wide, deliberate waddle just to stay upright. Her posture shifts entirely, her spine arching under the sudden, heavy weight of her massive chest and wide, plush midsection.

She waddles right up to you, completely unbothered by her total lack of personal space, bringing her newly widened frame directly into your grill. Each heavy step makes a soft, solid thump against the floor, her plush, wide body taking up almost the entire central aisle as she stops inches from your face. The sheer heat radiating off her expanded, soft frame is intense, a suffocating wall of warmth that smells like hot grease, copper, and sweet syrup.

“Look at this density!” Mei blurts out, her scope-patterned yellow eyes dilating with wild, hyper-focused excitement as she reaches down and grabs a handful of her own heavy, plush waistline, squeezing the thick, soft roll with zero hesitation. “The compound didn't just store as dormant fat; it completely saturated the subcutaneous layer! It’s insane! Look at how soft this shit is! My whole lower half is gigantic! If a villain tried to punch my stomach right now, their fist would literally drown in three inches of soft, heavy cushion before it ever hit anything solid!”

She lets out a bright, booming laugh that shakes her broad shoulders, her massive, newly enlarged chest bouncing violently inside her strained top with the motion. Her face is flushed red, loose pink strands from her ponytail clinging to her wet forehead as her wide, playful smile beams at you.

“Of course, the downside is mobility management! My center of gravity has shifted down and out by several inches, which completely ruins my stride! I can feel my hips dragging already! My thighs are so fucking thick they’re practically locking together when I try to walk straight! Navigating narrow lab spaces is going to require a total overhaul of the floorplan! We’re going to have to widen every single aisle by at least two feet just so my fat ass doesn't knock over the drill presses when I waddle past!”

The surface area is insane! Every single movement takes twice as much energy, which means my internal temperature is skyrocketing! It’s like running a furnace inside a completely sealed chassis!

She takes another wide, heavy step toward you, her wide hips swaying dramatically to stabilize her weight as she reaches out and places a thick, soft hand squarely on your shoulder, using you as a human brace. Her touch is heavy, warm, and entirely possessive, her fingers digging in as she leans a massive chunk of her newly acquired weight right against your side. Her thick, soft hip digs into your leg, pinning you firmly against the edge of the workbench.

“Hold still for a second!” She commands, her breath coming out in warm, heavy huffs against your neck as she takes a moment to adjust to the sheer, unfamiliar mass settling over her frame. “Man, this is going to take a lot of getting used to! Look at how tight these pants are—they’re digging straight into my hips! Every single step feels completely different!”

She shifts her weight again, a long, heavy sigh escaping her lips as her massive, absurdly full chest rests directly against your chest, the paper-thin, stretched fabric of her shirt offering zero buffer against the sheer volume pressing into you. Her scope eyes zoom in on your face, taking in your expression with a sharp, mischievous glint.

“What? Why are you staring at me like that? It’s just an emergency field adaptation!” She rambles on, her voice rising as she gestures wildly with her free hand, ignoring how close her face is to yours. “You should be taking notes! You just watched me blow up into a wide, soft, heavy shock-absorber in under two minutes! Most engineers would pay millions to see a structural change this extreme, and you got a front-row seat without getting a single drop of sludge on you!”

Her plush stomach rolls heavily against your waist as she takes a deep breath, the dark top pulling up to expose a thick, soft band of warm skin right above her strain-distressed waistband. She doesn't even care, far too consumed by the sheer technical chaos.

“First thing tomorrow, I'm redesigning the lab setup! I'm going to modify all the lower storage racks so every single bottom shelf rotates upward on a motorized track! That way, I won't have to bend down too far every time I need a spare tool—my belly and thighs are already getting in the way when I reach down! It’ll save me a ton of effort and boost my lab productivity by at least fifteen percent!”

I can't even reach the bottom drawers without my belly and thighs getting crushed together! The physical clearance issues alone are going to take three days of CAD modeling to fix!

She leans in closer, her thick arm wrapping around your neck to pull you firmer against her heavy frame, her soft, massive body completely burying your side. The heat coming off her is overwhelming, a heavy, suffocating wall of warmth that wraps around you like a blanket.

“You're going to help me run the diagnostic scans, aren't you?” She asks, though her tone makes it clear you don't have a choice. “We need to hook up the monitors to track the mass balance over the next twelve hours! I need exact measurements of this expansion curve so I know how much material to order for my new clothes!”

She gives your shoulder a firm, heavy squeeze, her wide smile widening until her soft cheeks bunch up around her eyes.

“Come on! Stop standing around like a broken prototype and help me turn the auxiliary power back on! My babies aren't going to fix themselves, and neither is this giant body!”

The thick, heavy air of the workshop hangs warm and suffocating, thick with the sharp smell of burnt circuit boards, scorched insulation, and an ungodly, sickly sweetness that clings to the back of the throat like spilt syrup. A dense cloud of pale, chemical-scented steam still drifts upward toward the exhaust fans on the ceiling, framing the absolute destruction scattered across the central steel workbench. Shattered glass pressure tubes glisten on the floor, leaking pools of a thick, shimmering amber compound that drips onto the concrete, while a pair of ruptured high-pressure hoses hiss weakly against the floorboards. In the middle of the mess sits the heavy casing of the prototype automated nutrient synthesizer—or what is left of it after its internal safety valves blew inside out and its pressure gauges pegged into the red, painting the entire room and both of us with hyper-concentrated, bio-available sludge.

Neither of us managed to dodge the blast zone. The ruptured delivery harness didn't just leak—it atomized, forcing high-density, rapidly synthesized caloric compounds straight through our pores and airways in a massive, overwhelming double shock-dose that sets both of our systems into immediate overdrive. Mei sits on her screeching stool, breathing heavy and coughing out a cloud of sweet vapor, while you stumble back against the edge of the adjacent console as the sudden, absurd expansion hits us simultaneously.

“Holy crap, holy crap, don't panic, failure is just data, failure is just ninety-nine percent of the path to absolute perfection!” Mei’s voice bursts into the room, loud, rapid-fire, and completely devoid of any shame as she tries to adjust her seating. Her voice vibrates with a weird, heavy strain as her slim body—and yours right along with it—begins to visibly change right before our eyes. Her dark, tight sleeveless top starts pulling taut across her chest as her bust swells outward, the thin fabric groaning while her chest balloons into a massive rack that strains violently against the neckline. Beside her, your own clothes instantly begin to bind and tug as sudden, dense volume floods into your midsection, your waistline expanding rapidly and forcing your shirt to stretch tight across a soft, heavy belly that pushes outward against your pants. “I mean, statistically speaking, the bio-absorption rate was supposed to cap out at two percent per minute for field operatives! Two percent! Not a hundred percent in three seconds flat for both people in the splash radius! The kinetic delivery pumps must have suffered a feedback loop when the primary regulator blew, which completely bypassed the metabolic limiters!”

She grabs the edge of the steel workbench, her slender fingers trembling as her arms quickly lose their lean definition, swelling up into thick, soft, rounded limbs. At the exact same time, your own arms feel thick and heavy, your thighs blowing up against the inside of your trousers as the compound saturates every subcutaneous layer. You watch in real-time as the sudden, absurd expansion rushes down her frame like a tidal wave while feeling the identical, crushing weight settle over your own. Her once-flat stomach pushes outward, puffing up like rising dough, rolling over the waistband of her fitted green pants in thick, soft folds that press hard against her lap. Meanwhile, your own pants dig mercilessly into your expanding hips, the buttons and seams groaning under the sudden, massive strain of your brand-new, plush contours.

Look at this sheer fucking volume! Both of our outfits are literally going to shred! I need to note down the tensile strength of these fabrics immediately, because if they can hold up under this much sudden, absurd mass on two subjects at once, it’s practically hero-grade armor on its own!

“Don't just stand there staring at your own stomach like a blowing generator!” Mei yells out, her voice bouncing loud off the walls as her hips explode outward, spreading wide over the edges of the stool until the metal frame gives a horrifying screech under the sudden, massive weight. Her thighs blow up into immense, plush trunks of pure fat, pressing tight against each other with zero space left between them, even as your own legs feel grounded, thick, and heavy against the floor. “I need you to grab the secondary diagnostic slate! The primary terminal locked up when the surge hit, and I can't check the density metrics for either of us until we clear the hard drive! Move it, move it!”

She tries to stand, planting her boots on the concrete with a loud, heavy huff, while you attempt to take a step and realize your center of gravity is completely fucked too. As she pushes herself up, her thick, massive new thighs rub together with a loud, heavy friction through the stretched fabric, forcing her into a wide, deliberate waddle just to stay upright. Your own steps mirror hers—a slow, heavy, side-to-side waddle as your plush new hips shift to stabilize your expanded frame, both of our postures arching under our sudden, heavy weight.

She waddles right up to you, completely unbothered by her total lack of personal space, bringing her newly widened frame directly into your grill as your wide waists collide. Each heavy step makes a soft, solid thump against the floor, her plush body taking up the aisle as she stops inches from your face. The sheer heat radiating off both of our expanded, soft frames is intense—a suffocating wall of combined warmth that smells like hot grease, copper, and sweet syrup.

“Look at this density!” Mei blurts out, her scope-patterned yellow eyes dilating with wild, hyper-focused excitement as she reaches down, grabs a handful of her own heavy, plush waistline, and then without hesitation reaches over to squeeze the soft, thick roll spilling over your own waistband. “The compound didn't just store as dormant fat; it completely saturated the subcutaneous layer in both of us! It’s insane! Look at how soft this shit is! Our whole lower halves are gigantic! If a villain tried to punch either of our stomachs right now, their fist would literally drown in three inches of soft, heavy cushion before it ever hit anything solid!”

She lets out a bright, booming laugh that shakes her broad shoulders, her massive, newly enlarged chest bouncing violently inside her strained top with the motion. Her face is flushed red, loose pink strands from her ponytail clinging to her wet forehead as her wide, playful smile beams at you while you both stand there, distinctly wider and heavier than two minutes ago.

“Of course, the downside is mobility management! Both of our centers of gravity have shifted down and out by several inches, which completely ruins our stride! I can feel my hips dragging already, and yours look just as bogged down! My thighs are so fucking thick they’re practically locking together when I try to walk straight! Navigating narrow lab spaces is going to require a total overhaul of the floorplan! We’re going to have to widen every single aisle by at least four feet just so two fat asses don't get wedged together when we try to pass each other!”

The surface area on both of us is insane! Every single movement takes twice as much energy, which means internal temperatures are skyrocketing! It’s like running two furnaces inside a completely sealed chassis!

She takes another wide, heavy step toward you, her wide hips swaying dramatically to stabilize her weight as she reaches out and places a thick, soft hand squarely on your shoulder, using you as a human brace while you lean back against her for support. Her touch is heavy, warm, and entirely possessive, her fingers digging in as she leans a massive chunk of her newly acquired weight right against your side. Her thick, soft hip digs straight into your newly plush leg, pinning both of our heavy frames together against the edge of the workbench.

“Hold still for a second!” She commands, her breath coming out in warm, heavy huffs against your neck as she takes a moment to adjust to the sheer, unfamiliar mass settling over her frame and yours. “Man, this is going to take a lot of getting used to! Look at how tight these pants are on both of us—they’re digging straight into our hips! Every single step feels completely different!”

She shifts her weight again, a long, heavy sigh escaping her lips as her massive, absurdly full chest rests directly against yours, your two plush stomachs pressing firmly into one another with zero buffer against the sheer volume squishing between us. Her scope eyes zoom in on your face, taking in your expression with a sharp, mischievous glint.

“What? Why are you staring at me like that? It’s just a double emergency field adaptation!” She rambles on, her voice rising as she gestures wildly with her free hand, ignoring how close her face is to yours. “You should be taking notes on yourself too! We just blew up into two wide, soft, heavy shock-absorbers in under two minutes! Most engineers would pay millions to see a structural change this extreme on a pair of live test subjects!”

Her plush stomach rolls heavily against your expanded waist as she takes a deep breath, her dark top pulling up to expose a thick, soft band of warm skin right above her strain-distressed waistband, mirroring the tight pull of your own clothing.

“First thing tomorrow, I'm redesigning the lab setup! I'm going to modify all the lower storage racks so every single bottom shelf rotates upward on a motorized track! That way, neither of us will have to bend down too far every time we need a spare tool—our bellies and thighs are already getting in the way when we reach down! It’ll save us a ton of effort and boost our lab productivity by at least fifteen percent!”

Neither of us can even reach the bottom drawers without our bellies and thighs getting crushed together! The physical clearance issues alone are going to take three days of CAD modeling to fix!

She leans in closer, her thick arm wrapping around your neck to pull you firmer against her heavy frame, her soft, massive body completely burying your side as your extra mass presses right back against hers. The heat coming off both of us is overwhelming, a heavy, suffocating wall of warmth that wraps around the bench like a blanket.

“You're going to help me run the diagnostic scans on both of us, aren't you?” She asks, though her tone makes it clear you don't have a choice. “We need to hook up the monitors to track the mass balance over the next twelve hours! I need exact measurements of these expansion curves so I know how much material to order for all our new clothes!”

She gives your shoulder a firm, heavy squeeze, her wide smile widening until her soft cheeks bunch up around her eyes.

“Come on! Stop standing around like a broken prototype and help me turn the auxiliary power back on! My babies aren't going to fix themselves, and neither are these giant bodies!”

make your own