At an all-boys school, where it’s said that 90 per cent of the entire school’s population is gay, high school third-year Kouichi Nanase shares a mutual love with Heiji from his school club. Happy to join the school’s 90 per cent, Kouichi is gradually warming up to the idea of his relationship with Heiji developing to the next step, but when his brother Youichi stumbles in on a steamy moment between the two, Youichi refuses to allow them to date at all! Can Kouichi and Heiji wrestle past this devastating obstacle in their relationship?