There was an all-girls school where the school provides male prostitutes for their students. Seika Women's Private Academy, they known as one of the prestigious women academy in the nation. They takes their student's performance as top priority to preserves the school's reputation. However, there was a system in the school that only few people know about. In order to maintain the student's performance, they are prohibited to be in a relationship, but are allowed to have sex with the male prostitutes that provided by the school. Our mc is ordinary ojisan with a huge debt. He applied to become a male prostitutes and got hired by school's principal. He get to sleep with plenty of pretty girl and getting high paid on top of that.