You were generously donated a small package of chocolates. You start to feel a bit funny after you finish eating them, though.

2,515 Words

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I wrote this story for a friend—it's a second person macro/muscle/belly growth fic, where you outgrow your house, neighborhood, and eventually your city. I try to keep everything mostly ambiguous. Please enjoy if you feel so inclined.

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The chocolates tasted nice. A bitter taste of dark chocolate followed by the sweet, tantalizing caramel. You scrolled on your phone with one hand while you ate them with the other, your two remaining hands resting across your stomach. There was a stillness in the air that was quiet, tranquil.

It came about slowly—naturally, even. A warmth washed over your body, spreading outwards from your core like you were slowly lowering yourself into a warm bath. You could feel the soreness in your bones, your joints, your muscles, all of it dissolving off of you. You stretched your legs a bit, sitting up to relish in the sensation.

You propped yourself up on your elbows, still holding your phone in one hand. It was weird, though—it felt smaller in your hands, like you were losing your grip on it. It slid out of your palm as your hand closed of its own volition, the muscles in your arm flexing involuntarily.

There was the sound of fabric tearing. Your bicep split open the sleeve of your shirt, muscles thickening before your eyes as they spread across your form. The warmth stretched across your shoulders and your collarbone, neck swelling in size to stretch the fabric even more. You could feel your head rising as more mass piled onto your neck, cords of muscle swelling with your traps.

Your shoulders were next, growing from mildly-defined into rock-solid boulders of muscle. You could feel them weighing you down, especially as your arms increased in size again, followed by your back. Your weight sent you backwards, falling against the headboard of your bed as both of your arms propped you up.

The pace of your heart increased. With heavy, deep breaths, your chest began to swell. Where there was originally nothing but light definition over your ribcage, you watched as your pecs ballooned into what were essentially hills atop your sternum. They went from nothing to average to gargantuan in moments, and you felt them press against your jaw, almost trapping your face between them as you looked down.

You shifted your position as you felt the warmth continue to spread across you. Your tail slid side to side between your legs, and it dangled over the foot of the bed even as it swelled with the rest of your lower body. Thighs thickening, lightly touching each other until they were fighting for space, muscle upon muscle that refused to give way. Your hips eventually swelled out to give them room, but your thighs immediately filled the space again.

Your feet—talons, really—dangled off the foot of the bed as you looked over your pecs to get a good view of them. You heard your bed creak with the increased weight, felt the mattress bending under the increased mass you were now sporting.

Your head hit the ceiling. Tendrils and horns pressing against the wall as you hunched over, bed creaking ominously as you shoved your face into the cleft of your pecs just to fit in your room. Your shoulder pressed against the wall as you shifted, wood starting to snap.

With a clatter, your bed crumbled beneath you. You half-rolled, half-crawled into the middle of your room, lying diagonally as you continued to expand outwards and upwards. Your tail curled along the wall to make space for itself, and you only noticed now that the increase to your thighs had made your backside considerably more… exaggerated.

Something else cracked—you couldn’t even turn to see what it was. The warmth spreading across you was turning into something else, now, that settled in the pit of your stomach. You rested your lower hands on it, and felt your stomach growl.

There was hunger.

You reached out, in vain, for something to eat, but you didn’t need to. The taste of chocolate filled your mouth again, as if you were still eating, even as your heavy breaths signified otherwise. You felt your stomach start to swell under your hands, growing from slightly-trim abs into a slightly rounded potbelly, like you’d had too much to eat. Your claws clacked against the scales of your midsection.

The warmth continued to spread across your frame, your broad back beginning to cover all of the space on your floor as it pushed furniture out of the way. You felt heavy, almost loopy, as the weight in your gut continued to expand, turning into a boulder stuffed under your skin before long.

That tightness and fullness only continued, the rounded peak of your gut pressing up against the jutting shelf of your pecs—you could hear it slosh with your movements, the mound of stuffed beast sitting atop you jiggling each time you swelled in size. Your talons hit the opposite wall, scratching against your door as your thighs forced your legs apart again.

You lifted one of your legs to adjust yourself, only to knee yourself in the stomach. Your gut roared with noise as it sloshed, heaving weight moving from side to side as it continued to fill itself of its own free will. The taste of chocolate was almost overpowering as it filled not just your mouth but your entire being, that richness, that fullness, that sweetness that came with the sensation of growing.

You saw the peak of your gut over your pecs as you craned your neck to fit in your too-small bedroom. Your elbows and shoulders made light dents in the wall as you continued to swell. You could feel your tail pressing against every surface, you could feel your pecs against your gut, your thighs against each other, and you watched as your gut, with a hefty moan of protest, hit the ceiling.

There was no more room for you to grow. Not in your room, anyway. You heard the ominous cracks of your floor—it was hard to hear over the gurgling and sloshing of your gut as it took up more and more of the space in your room, but still—and your head was crammed into the corner of your room as the walls began to give way.

Your foot launched out through a wall first. Debris cascaded down onto your thigh, but it didn’t feel like more than dust. Your gut was next, creating a sizable hole in the ceiling as it expanded upwards, only for the force of your shifting weight causing you to roll over and use it like a wrecking ball, knocking down another wall. Your head was next, rocketing through the drywall as you were briefly stuck in the tangle of wires that made up your electricity.

For a moment, you couldn’t see anything. You could only feel the crushing sensation that came at you from all sides, the rumbling of your gut being continuously filled with something, and the warmth that still overfilled your entire body. There was a brief silence, with only your heaving breaths filling your ears.

Your house crumbled around you with a terrifying crash. Your gut immediately swelled outwards into the next house, caving in a wall as you realized that, laying on your side, you were taller than every other house on your street.

You barely propped yourself up on an elbow, your pecs ramming into your chin and forcing you to look elsewhere. You felt your hips swell into what was left of your ceiling, your roof falling away over your ass as you expanded into the street. You came into contact with the asphalt, but you were large enough now that you didn’t really feel it—another surge of growth caused you to lose your grip and tumble onto your side again anyway.

There was a feeling of helplessness, you noticed as your gut barrelled through the house closest to you. Your head stretched out further into the street, one massive shoulder digging a trench into the road as you extended outwards. Your pecs continued to tilt your view up, looking out into the rest of the city while your hips, thighs, ass, tail…. Everything in your lower half was busy colliding with houses and buildings and tearing up lawns.

With all the force you could muster, you rolled onto your back. There was a cascade of debris that went soaring into the air as your gut extracted itself from the ruins of what must be a few different houses by now. Your back landed with a colossal THUD against the ground, cracks forming along the road under your weight. Your legs pressed against each other as your ass swelled predominantly. You could almost feel it digging into the ground beneath you, growing out and out and out, like you were sitting on an air mattress being inflated.

Well, if the air mattress was the size of your entire house.

Your growth continued without any sign of stopping. Your head laid back and arms at your side, your pecs and gut and back all continuing to swell to the point you could hardly move without running into another muscle. Your legs were essentially fallen skyscrapers, digging through houses and buildings, your feet crashing into downtown as they extended further.

There was a rumble from your gut as it swelled again, a giant balloon of mass that was growing tighter with every expanse of size. You tried to reach up and soothe it, but you simply couldn’t reach around your pecs to touch it. You simply lay back, breathing strained breaths as your body took control.

The sweet, addictive taste filling your mouth was getting to be overpowering. There was a sudden pressure in your gut as it rose to your throat, and you let out a burp to your own surprise. You instinctively tried to cover your mouth, but it was futile—there wasn’t any space for you to move around yourself anymore. Your foot crashed through another skyscraper, and you realized now that you must be far taller than any of the buildings downtown.

There was wind rushing across you as you laid back on the ground, the city crumbling under your ever-expanding mass. What was first a slight increase of inches was getting to be an increase of hundreds of feet per second—you wouldn’t be surprised if you were close to a mile tall, now, and your gut surely had a diameter to match it. You let out another burp, beside yourself, as it rumbled again.

As slowly as it had started, the growth started to rescind. You felt the speed of your expansion grow slower as the wind grew gentler, your limbs settled into steady ground, and you heard your gut start to stop its constant gurgles as you reached the upper boundary of your size. For now, anyway.

It was quiet. You could see a plane flying overhead, looking down on you. You wondered what they might see from up there, since you couldn’t even look down at your gut for very long without getting your face stuck in the rift of your pecs. You let your head drop back, gas rising in your throat as another burp rolled out of you, like thunder rolling across hills.

The sound of anything you did echoed off of everything around you. Your breaths, the gurgles of your horribly distended gut, your heartbeat. You sounded immense—the pitch of your breath was deeper than anything you could’ve imagined. You let out a slight chuckle, watching as your chest and gut wobbled at the sound.

You shifted your arms, tentatively. You could move enough to put them under you, even if your shoulders and your traps and your pecs almost caged your head in place. With a great heave, and with some help from your tail hefting you, you pushed yourself upright as the world beneath you crumbled from the movement.

Your pecs took up most of your vision. Craning your massive neck, you could barely make out the tips of your toes, looming over the buildings that crowded around your ankles. Your gut rumbled again, causing pressure to build up in your chest, but it didn’t do anything but quicken your breath for a moment.

The only thing your hands could reach was your ass and the base of your thighs, really. You pressed against every muscle in your body just to wrap your hands around your own ass, squeezing it to feel how tight and tensed the muscle was. It must’ve been taking up the entire neighborhood or more, at this rate.

You shifted your hands forwards, stretching around your pecs as they pressed up into your jaw. You managed to grasp the underside of your gut, feeling it rumble again as more pressure built up inside it—you could even feel it swell out again, skin growing tighter than it should be to contain all that belly.

You lifted your own gut, listening to that churning and sloshing that echoed across the entire city, listening to the wind whip past your ears as they approached the clouds. You lifted it as high as you could, gut pressing against your pecs with a painful amount of pressure, before you let it drop.

It landed with a CRASH against the city, your boulder of a gut crushing everything under it and leaving a sizable crater in its wake. It would’ve made a shockwave if it didn’t land between your legs, instead causing your thighs to ripple with the force.

You heard a rumble. You heard a slosh as it extended outwards.

You let out a groan at the sensation, like listening to the hum of a giant machine as your own voice fell, heavy, to the ground below. Your breath quickened as the pressure in your gut swelled to new heights, building and packing onto itself again and again and again. You felt sweat on your brow.

You could feel your limbs shaking as the pressure reached a head, your breaths quickening until your gut roared, sending a wave of pressure up and out.

You let out a massive belch that shook the ground beneath you—you quite literally felt it. It lingered for a good while before it was finally out of your throat, leaving you with a great sense of relief. You sighed, leaning back to rest your hands in the city. Each one landed with a gargantuan THOOM as they crushed buildings and landscape alike under them.

There was one last rumble as a surge of growth rippled across your body, muscles pressing against each other in new ways, and your pecs officially pressed themselves into your jaw, even when you weren’t looking down. Each breath brought them a little closer to completely covering your head, it felt like.

With another sigh, you simply let yourself lay down. Another THOOM sounded out as you landed, your broad back taking up the entire city when combined with your thighs and ass. Somewhere under your right calf, you could feel water flowing—you must’ve overtaken a river at some point. You could feel the air rushing past your distended gut and breezing past your pecs.

The chocolates tasted nice. You wished you could have a few more.

Your stomach grumbled.