Gakutai no usagi

Katsuhisa has an introspective personality. He wants to spend as little time as possible at his junior high school and go home as soon as possible. One day, a mysterious rabbit appears in front of Katsuhisa and leads him to the school's wind band club. He is captivated by their performance. Even though members of the wind band stay after school for practice, Katsuhisa decides to join the band. The groups prepares for a national competition. (CoolConnections)