Kagami Yuuki just transferred to Otorinashi Academy and his problems are already mounting. His teacher, Ayana-sensei assumed he was a girl based on his name and assigned him to the girls’ dormitory. To make matters worse, there are currently no vacancies in the mens’ dormitory, so Yuuki must live in the girls’ dormitory. If anyone finds out his secret, he will be immediately expelled. Along with fellow students Takabane Risa, Patricia Bepouin, and the troublemaker Kotomi, things are bound to get interesting in numerous sexy ways.