To reach her high school, Sakura Hane faces the challenge of ascending multiple steep inclines on her bicycle. Struggling to make headway, she watches enviously as a motorcycle roars past her. This bike belongs to none other than her classmate, Amano Onsa, a tough-as-nails girl who attended this particular school because motorcycles are permitted on campus. Further, a motorcycle club operates there. Impressed by Onsa's daring spirit, Hane befriends her and ultimately agrees to take up motorcycle riding. The only remaining hurdle is obtaining her license...