Inomata Taiki attends a school with a specialized sports program because his mother was an extraordinary basketball player. After joining the badminton team in junior high, Taiki has been an active participant in training. He always strives to be the first one in the gymnasium. However, no matter how early he arrives, he always gets there second, right after Kano Chinatsu, a third-year student on whom Taiki has a crush.