Although a cute high-school freshman on the outside, Taichi Hasegawa harbors a depraved monster within. On his way to his new dorm, Taichi lays eyes on an incredibly handsome guy on the train and accidentally gropes him. Later he discovers that the handsome guy is none other than his new roommate, Shinobu Seto! Even though Taichi knows it's wrong, he keeps getting aroused at the most inopportune moments - much to his surprise. Despite his best intentions not to cause any issues for Shinobu, Taichi ends up pleasuring him in a variety of ways, leading to all kinds of accidental and chaotic situations. Could this tumultuous dorm life actually lead to something more - perhaps even love?