It is about the students Taro Sado, who has a penchant for extreme masochism and thereby repeatedly in unfamiliar situations brings to which his school friends also contribute their share, as they also have some extreme traits.
Taro Sado falls in love for the first time with a girl, who is actually Tatsukichi in cross-dressing. Taro wants to be cured from his masochism, so he can confess their love, and so it goes to the Second Voluntary Club of, for help. There he meets Isurugi, which is considered a goddess and Arashiko Yuno, the girl who made him a masochist.