High school student Keisuke Shimizu hates the world and especially women - his mother has a lover, bringing the family to the brink of collapse. His bitterness finds an outlet in his sadomasochistic relationship with his music teacher, Remi Izumi. However, Keisuke achieves the full extent of his misogyny when he makes a bet with his class teacher Orié Yuki, who constantly reprimands him for skipping classes. Shimizu offers Orié to become his sex slave for three months, and if she does not begin to enjoy her humiliated role, he commits to changing his attitude towards life, women, and... ...to start attending classes again. However, the result of the bet was predictable from the start...