Don't Change, Ogata-Kun!

which one is the real you?! “shota <=> muscle man” transformation harem comedy! highschooler ryoutarou looks like a primary school boy, and all he wanted from his new school was to have a quiet and peaceful life. but on his first day in his new school the delinquent mizuki calls him out and immediately destroys his dreams. ryoutarou thinks he's in for a violent shakedown, but instead he's taken to a club room where girls with a certain sexual fetish gather….