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.
| Art | Ayumi Sato | Art Direction |
| Sound | yuxuki waga | Theme Song Performance |
| Sound | kevin mitsunaga | Theme Song Performance |
| Sound | Satoki Iida | Sound Director |
| Production | Junichiro Tamura | Producer |
| Crew | Masahiro Murakami | Special Effects |
| Writing | Sei Hatsuno | Novel |
| Sound | Junichi Sato | Theme Song Performance |
| Visual Effects | Yohei Hirata | CGI Director |
| Production | Kenji Horikawa | Producer |
| Production | Yukiko Kato | Producer |
| Sound | towana | Theme Song Performance |
| Visual Effects | Yurie Oohigashi | Animation Director |
| Crew | Sumie Murakami | Special Effects |
| Crew | Reiko Yoshida | Script |
| Visual Effects | Asako Nishida | Character Designer |
| Editing | Ayumu Takahashi | Editor |
| Writing | Reiko Yoshida | Series Composition |
| Production | Mitsuhito Tsuji | Line Producer |
| Sound | Katsuhiro Nakano | Sound Effects |
| Camera | Satoshi Namiki | Director of Photography |
| Directing | Masakazu Hashimoto | Series Director |
| Sound | Shiro Hamaguchi | Original Music Composer |
