Miyamae Kanako, a high school girl, who is allergic to boys, enrols in an all-girls school, hoping to find a female romantic partner. However, her ideal candidate, Shidou Mariya, turns out to be a mischievous cross-dressing boy, who together with his sarcastic maid Shinouji Matsurika, give Kanako really difficult times.

Time passes and Kan...