A new kind of sport! Its name is Ultimate! Minemura Suou is a simple high school girl whose hobbies include photography and mountain climbing. She wants to keep a low profile as a “spectator”, However, when she meets a top player of the sport called Ultimate, she decides to enter the world of Ultimate, What happens when he meets a top Ultimate player and enters the world of Ultimate―――!? This is a passionate coming-of-age story set in the world of Ultimate, a sport that uses flying discs! The brilliance can only be found at the “top of the mountain” that you have climbed with your own feet!