High school student Naoki Tomura grew up in a remote area in Hokkaido. He meets piano tuner Soichiro Itadori in school and eventually decides to work at Itadori’s musical instrument store. Tomura gradually grows as a piano tuner through his interactions with the other tuners and musician clients
| Writing | Natsu Miyashita | Novel |
| Directing | Kojiro Hashimoto | Director |
| Writing | Arisa Kaneko | Screenplay |
| Camera | Kosuke Yamada | Director of Photography |
| Visual Effects | Ryô Matsumoto | Digital Compositor |
| Production | Yasushi Hashimoto | Producer |
| Production | Yûsuke Ishiguro | Producer |
| Production | Akihiro Yamauchi | Producer |
| Editing | Ryuichi Takita | Editor |
| Sound | Hiroko Sebu | Original Music Composer |