Also known as Ao Haru Ryuusei/Blue Spring Shooting Star/Hirunaka Ride. 15-year-old Shuuko Murao has to move to Tokyo to live with her older sister due to her mother's work transfer. She bumps into a mysterious man who ends up taking her to her sister's place after she gets lost. Turns out, Shuuko will be seeing him a lot more often once she starts school because... he's her homeroom teacher, Tanaka-sensei!?