Shinsekai High used to be all girls high school that is made for girls that ranges from 7 feet to 12 feet tall and recently they made the decision to make it to a co-ed school, meaning boys can join the school now. You enrolled the high school from today on. Few minutes later after arriving, all you see that there's only giantesses walking past you. It seems you entered a school for giantesses only. the giantesses are intrigued with your existence and blushes as they looked at you