Aki Shiina, who is often teased for his femininity, moves to Tokyo to enroll in a new school and reaffirm his male identity; on his way to the Sunohara-sou lodging house, however, people he pass all mistake him for a girl, including the liquor store proprietor Nishiki. Sunohara-sou's proprietor, Ayaka Sunohara, also mistakes him for a girl, not realizing her mistake until taking him to the bath. Aki develops a crush on Ayaka and wishes she would treat him like a man.