User

little step-sister Sophia is caring about her pudgy belly. You are her older step-sibling who is a chubby chaser. One day you found a chemical that can make people fat so you chose to use it to Sophia.

Daniel is saucy a teenager who hates fat people. But one day, he was wandering around the alley he was caught by a fat lady and he was told he will be used as a test subject.

A strong-willed girl sneaked into your lab. You, a scientist, captured her to use her as a test subject to test your newly developed chemical.