September Prompt Fulfiled

“Okay, now just need to cool and stabilise the serum,” Dominic said to himself as he put the bottle in the fridge. The mixture had been a product he had been working on for a few years, putting his time and experience in chemistry to work. Now that the serum was nearing completion, Dominic knew it would help with enlarging crops and helping to increase the production of food. With the thought of helping end world hunger, Dominic closed the fridge’s door before turning around to head up the stairs. The slim man decided to take a quick shower and unwind after the long day of finalising the formula resulting from years of work.

As Dominic turned the shower on and cleaned the grime off himself, he didn’t hear his roommate come in nor the sound of the fridge opening.

“Oh hey, Dom got lemonade.” The well built Jake said before pulling out the bottle.

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“Jake! Did you see a bottle I had put in the fridge?” Dominic called out from the kitchen. He had been searching through the fridge for what felt like hours for him. After his shower and a brief moment of relaxing with a good book, Dominic had wanted a drink and came to find that the serum he had work hard on preparing was gone from the fridge. Standing up from where he hunched over from moving around bottles and containers, Dominic mentally wondered and hoped he might have forgotten where he placed the bottle.

“Oh, that lemonade?” The response from his roommate made Dominic freeze, hoping Jake didn’t do what he thought he did. That hope was dashed as Jake continued, unaware of the panic going through his roommate. “Yeah, it was pretty sweet. Didn’t know you wanted it.”

Dominic bit back a curse before sighing in frustration as he closed the fridge door. ‘Okay, this is bad but not the end of the world. Just as long as he took a sip, it shouldn’t be too bad.’ Dominic thought, turning towards where Jake’s voice came from before making his way towards the living room. Standing on the threshold of the doorway, Dominic froze with a complaint stuck on his lips as he took in the sight of his fit roommate lazing on the couch. What caused Dominic to freeze, not just the view of Jake’s muscular form after coming back from the gym, but seeing said roommate chugging down the mixture Dominic had spent years working on. Before Dominic could bring his words out to stop him, Jack drained the bottle before tipping his head forward, taking a quick breath just as a deep belch rumbled out of him.

“Jake… what did you do?” Dominic said slowly, eyes focused on the now empty bottle that Jake casually tossed aside, unaware of the implications of what he had done.

“Just had a drink. Don’t worry; I’ll pay you back for the lemonade.” Jake said from his seat, placing his hands down on his thick waist.

“That wasn’t lemonade! That was a growth formula I was working on for years!” Dominic practically yelled as he stepped closer to his roommate. Approaching Jake, Dominic swore the other man’s midsection looked fuller than it had been before. Jake himself seemed a bit concerned to learn what he had just chugged down, only to groan as he heaved up another belch.

“Oof, sorry, man. If it makes you feel better, it tasted delicious.” Jake said, chuckling nervously as he brought a hand down to his abs, pausing as his hand felt a soft layer of flab that wasn’t as pronounced as before.

“No. No, it does not. I’m serious; this stuff has only just been tested on plants. I have no idea how it’ll affect humans.” Dominic claimed before glancing over at Jake, seeing now that not only was Jake’s waist looking thicker, but his ordinarily solid chest seemed to have begun to soften more, looking more like… moobs. “Wait… Jake, are you growing?”

Jake looked down at himself, panting a bit as he felt almost uncomfortably warm. Taking in his body, Jake gasped at the sight of his softening form, his limbs stretching longer and thicker as his body swelled. He’d almost think it was an allergic reaction if it wasn’t for how soft and heavy his body was feeling. “I’m… I’m getting fat!”

“You’re growing.” Dominic stared as Jake kept swelling out, his body growing more and more as fat seemed to generate spontaneously. The once fit runner looking more and more like a man who spent days in buffets. Jake’s flat stomach swelled out over his thickening legs, spreading out over the tight tank top that was becoming more like a bra as it held back Jake’s swollen moobs. Dominic was pulled from his thoughts of how the weight was generated by a tearing sound, seeing that Jake’s widening ass and thickening thighs burst open his shorts. His growing feet splitting open his tennis shoes, exposing his fattening feet, thick toes wiggling as now exposed from the torn fabric. Looking back at Jake’s face, Dominic saw how his whole face was framed with a beard, which was more surprised by how not even a few minutes had been little more than stubble.

“God Dom… this feels… so good.” Jake panted out, seeming torn between feeling aroused by the swelling mass his body was becoming and also grieving his fit body that he had worked so long to maintain was being covered in a thickening layer of fat. Lifting his thick arms and exposing the dense forests of armpit hair, Jake’s sweat-soaked tank top ripped, letting his heavy moobs flop out freely, slapping against his belly now that the struggling fabric wasn’t containing them. “But… why so… so fat?” Jake panted, letting out a deep, window shaking belch before he brought his now baseball mitt sized hands down on his belly, causing his many rolled middle to shake and wobble. The couch creaking ominously under his jiggling body as the two men took in the changing form of Jake.

“I... I don’t know. Maybe the serum causes a build-up of fatty tissue. Or it could have affected your genetics, or m-” Dominic stammered out, only to stop as the room shook with a loud crash as the couch gave out from trying to support Jake’s growing mass. His elephant-sized ass crashed to the ground, causing the floorboards to crack and splinter beneath him as he kept growing, moaning deeply as his form swelled and bulged more, taking up more space in the once spacious room. The room-shaking thud caused Dominic to stumble forward, landing onto Jake’s massive, hair covered belly as it spread across the floor, forcing the gigantic man’s redwood thick legs apart. Sinking into the soft surface, Dominic felt the heat radiating off the growing man as the sweat soaked his clothing. Jake moaned deeply before a booming fart rumbled out of his titanic ass. Dominic tried to push himself off, feeling his hands sink further into the growing surface of Jake’s belly before he managed to get himself up ing from the encounter as he watched Jake swell more, the growth seeming to quicken.

“Hey, bud... I think, oh god… I think you should… head out. I, I’m getting so…. Big!” Jake moaned, his voice getting deeper as he swelled more. The gigantic man lifted a hand and pressed against the ceiling he was growing towards as his other free hand groped his swollen moob, squeezing it as he moaned more, clearly giving into his arousal.

Not wanting to risk being buried under the growing roommate, Dominic took a hesitating step back before turning and running out as Jake’s fat sides pressed against the walls, crushing any bit of furniture that stood between him.

Running from the house, Dominic crossed the street before looking back at his home, hearing the crashing and moaning. The outer windows being covered and blowing out as Jake’s fat flesh pressed against before oozing out of the now empty window frames. The walls bulged more before breaking apart as Jake’s thick feet burst through, easily bigger than Dominic’s entire body. The rest of the house starting to crack and bounce off of Jake’s swollen body as the fat oozed and swelled out into the exposed air. Dominic could only watch how effortless Jake outgrew the house, his growth starting to subside as the giant panting blob of a man laid on the foundation of their home, his fat ass spreading out and knocking over the fences that separated them from their neighbours’ estates.

Jake tilted his bearded head back, his swollen cheeks and ring of fat pressing against his broad shoulders before a deep booming belch erupted from him, shaking the entire neighbourhood with the expulsion of gas. The enormous man still feeling up his swollen fat rolls, cupping and shaking his practically car-sized moobs.

“God… Dom, you got… whew, you got any more… of that growth stuff?” The giant man asked, looking down at his tiny roommate with a smile as he patted his house-sized gut proudly.