A boy who once sealed a violin meets a new world. Set in a high school orchestra club, magnetic but unique members weave their passions for music together and create youthful ensemble drama.

Hajime Aono (main character), started to play violin because of his father, a famous violinist. He also became a popular young violinist, however, quit playing after "an incident" when he was in 7th grade. He then restarts playing after his encounter with Ritsuko and through giving her the violin lessons at their junior-high school.

He joins the high school orchestra club at his freshman year with Ritsuko. Through practicing and competing with his clubmates, he gradually starts to give full attention to play violin again. Although Hajime and each club members holds variety of problems of their own, they put their effort to make the concert successful.

TV Animation series　
TV half-hour (25 min.) X 24 ep.
Broadcasted on NHK E Television

Original Work : Blue Orchestra (Ao no Orchestra）by Makoto Akui on Ura Sunday, Shogakukan
Director: Seiji Kishi
Script/Series Composition: Yuko Kakihara

© Makoto Akui/Shogakukan/NHK,NEP,Nippon Animation