Because of a certain incident, Sado Tarou learns that there is a problem with his body. He derives pleasure from girls doing "this" and "that" to him. To cure his body, and so that he can confess to his love "Shihori Hime", he approaches the Voluntary Club- a school group that tries to fulfill students' wishes. He goes only to find Isurugi Mio, a girl with the gross misunderstanding of being a god, and Yuuno Arashiko, the most hated existence for Tarou since she is the cause of his problem...