Kotarou Hayasaka is a new pupil attending Oomiya High School, an esteemed boys' institution where the head of the student council has the authority to establish a solitary rule at the commencement of the academic year. This year, Izuki Jinguuji, the president of the student council, decrees that all students must participate in cross-dressing during school events, which causes Kotarou great distress.