Haruta and Chika are members of their high school wind instrument club that is on the verge of being shut down. The two are childhood friends, and they spend their days practicing hard while also trying to recruit new members. When a certain incident happens within their school, they work together to solve it.
| Writing | Reiko Yoshida | Series Composition |
| Crew | Reiko Yoshida | Script |
| Writing | Sei Hatsuno | Novel |
| Visual Effects | Asako Nishida | Character Designer |
| Art | Ayumi Sato | Art Direction |
| Visual Effects | Yurie Oohigashi | Animation Director |
| Sound | Satoki Iida | Sound Director |
| Visual Effects | Yohei Hirata | CGI Director |
| Production | Junichiro Tamura | Producer |
| Production | Kenji Horikawa | Producer |
| Production | Yukiko Kato | Producer |
| Editing | Ayumu Takahashi | Editor |
| Production | Mitsuhito Tsuji | Line Producer |
| Sound | Katsuhiro Nakano | Sound Effects |
| Crew | Masahiro Murakami | Special Effects |
| Crew | Sumie Murakami | Special Effects |
| Sound | Junichi Sato | Theme Song Performance |
| Sound | yuxuki waga | Theme Song Performance |
| Sound | kevin mitsunaga | Theme Song Performance |
| Sound | towana | Theme Song Performance |
| Camera | Satoshi Namiki | Director of Photography |
| Directing | Masakazu Hashimoto | Series Director |
| Sound | Shiro Hamaguchi | Original Music Composer |
