Sora 2
A young 16 year old scientist is testing a new invention called the Fatflation Gun, working in two modes: making person fat and making person inflated. She tested the first mode on her test subject, a 17 year old girl, causing her to gain weight and became morbidly obese. She laughs cause her invention is working. She want to try it's second mode on another of her subjects, but she accidentally hit the mirror causing the blast from weapon reflects to herself and suddenly POOF, she swell up like a colossal balloon and start floating in the air, flappering her arms and legs to maintain the ballance and get down.