小野和大介约定，为了应援棒球部冲击甲子园，加入吹奏乐团为棒球队员大介加油，二人各自经历挫折，最终找到自我。
Tao Tsuchiya
Tsubasa Ono
Ryoma Takeuchi
Daisuke Yamada
Shono Hayama
Aki Mizushima
Mirai Shida
Yuka Mori
Arata Horii
Yasushi Kido
Fujiko Kojima
Hitomi Kasuga
Airi Matsui
Himari Wakita
Yuna Taira
Akane Sawa
Yuki Yamada
Kota Usui
Juri Ueno
Yoko Sugimura
Eri Ikeda
Shiraoi High School Brass Band Member
Honoka Matsumoto
