Shuhei Amamiya transfers to Moriwaki Elementary filled with hope and ambition. But it doesn't take long before he gets picked on by the class bullies, and gets involved in a dare to play the mysterious piano in the forest. Igniting his meeting with an equally enigmatic child, Kai Ichinose, who seems to be the only one capable getting sound out of the thought to be broken piano.
Unfortunately the movie The Piano Forest is not yet available on Disney Plus.
| Visual Effects | Hiroya Iijima | Key Animation |
| Visual Effects | Hideoki Kusama | Key Animation |
| Directing | Masayuki Kojima | Director |
| Writing | Ryuta Hourai | Writer |
| Directing | Tomohiko Ito | Second Unit First Assistant Director |
| Visual Effects | Junko Miyakawa | Compositing Artist |
| Visual Effects | Yukihiko Ichikawa | Compositing Artist |
| Visual Effects | Naho Mitsuishi | Compositing Artist |
| Visual Effects | Asahi Ono | Key Animation |
| Production | Yasuhiro Nishio | Production Assistant |
| Production | Kazuya Kamikawa | Production Assistant |
| Production | Taizo Ito | Executive Producer |
| Sound | Keisuke Shinohara | Original Music Composer |
| Camera | Rumi Ishiguro | Director of Photography |
| Editing | Yoshihiro Kasahara | Editor |
| Art | Kazuki Higashiji | Art Direction |
| Art | Toshiharu Mizutani | Art Direction |
| Directing | Atsuko Ishizuka | Assistant Director |
| Directing | Ryosuke Nakamura | Assistant Director |
| Directing | Toru Takahashi | Assistant Director |
| Directing | Kojiro Tsuruoka | Assistant Director |
| Directing | Tomomi Yoshino | Assistant Director |
| Art | Nobutaka Ike | Art Designer |
| Art | Masayuki Kojima | Storyboard Artist |
| Art | Akemi Konno | Art Designer |
| Art | Tadashi Kudo | Art Designer |
| Art | Toshihiko Masuda | Storyboard Artist |
| Art | Yuzo Sato | Storyboard Artist |
| Art | Tomoyuki Shimizu | Art Designer |
| Art | Nobuo Tomizawa | Storyboard Artist |
| Visual Effects | Tomoko Yamamoto | Color Designer |
| Art | Yuichiro Yano | Storyboard Artist |
| Sound | Yuji Akazawa | Sound Editor |
| Sound | Hirokazu Ebisu | Sound Editor |
| Sound | Fusanobu Fujiyama | Sound Director |
| Sound | Michihiko Iwana | Sound Recordist |
| Sound | Takeo Ogawa | Sound Designer |
| Crew | Ayumi Arahata | Special Effects |
| Crew | Keiko Itogawa | Special Effects |
| Crew | Kumiko Taniguchi | Special Effects |
| Sound | Kozue Okada | Music Producer |
| Visual Effects | Wataru Abe | Key Animation |
| Visual Effects | Kaori Aisaka | Key Animation |
| Visual Effects | Hiroyuki Aoyama | Animation Director |
| Art | Choi Kwang-Seok | Background Designer |
| Art | Kazuo Ebisawa | Background Designer |
| Visual Effects | Shigeru Fujita | Animation Director |
| Visual Effects | Shigeru Fujita | Character Designer |
| Visual Effects | Taichi Furumata | Key Animation |
| Visual Effects | Noboru Furuse | Key Animation |
| Art | Kaori Hagiwara | Background Designer |
| Visual Effects | Kunihiko Hamada | Animation Director |
| Visual Effects | Kazutaka Hara | Key Animation |
| Visual Effects | Hitomi Hasegawa | Key Animation |
| Visual Effects | Chihiro Hayashi | Key Animation |
| Visual Effects | Satomi Higuchi | Key Animation |
| Art | Sayaka Hirahara | Background Designer |
| Visual Effects | Daisuke Hiramaki | Key Animation |
| Art | Kei Ichikura | Background Designer |
| Visual Effects | Toshiaki Iino | Key Animation |
| Art | Kazuki Ikeda | Background Designer |
| Art | Yuji Ikeda | Background Designer |
| Visual Effects | Takahiro Ikezoe | Key Animation |
| Visual Effects | Hiroaki Imaki | Key Animation |
| Art | Junko Ina | Background Designer |
| Visual Effects | Kaori Inoue | Key Animation |
| Visual Effects | Kensuke Ishikawa | Key Animation |
| Visual Effects | Hideki Ito | Key Animation |
| Art | Kazuyo Izawa | Background Designer |
| Visual Effects | Tomoaki Kado | Key Animation |
| Visual Effects | Yoshinori Kanemori | Layout Supervisor |
| Visual Effects | Takuya Kawai | Key Animation |
| Visual Effects | Tetsuya Kawakami | Key Animation |
| Art | Bo Ram Kim | Background Designer |
| Visual Effects | Shuichi Kitayama | Key Animation |
| Art | Yuko Kobayashi | Background Designer |
| Art | Toshihiro Kohama | Background Designer |
| Art | Kayoko Koitabashi | Background Designer |
| Visual Effects | Erina Kojima | Key Animation |
| Visual Effects | Eriko Kubokawa | Key Animation |
| Visual Effects | Masahiro Kurio | Key Animation |
| Visual Effects | Seimei Maeda | Key Animation |
| Visual Effects | Momoko Makiuchi | Key Animation |
| Visual Effects | Kazuyuki Matsubara | Key Animation |
| Art | Satoshi Matsudaira | Background Designer |
| Art | Yoshikatsu Matsumoto | Background Designer |
| Visual Effects | Yoshinobu Michihata | Key Animation |
| Visual Effects | Sawako Miyamoto | Animation Director |
| Visual Effects | Mitsue Mori | Key Animation |
| Visual Effects | Tetsuro Moronuki | Key Animation |
| Art | Sachiko Motoda | Background Designer |
| Visual Effects | Kouji Murai | Key Animation |
| Visual Effects | Shinobu Mori | Key Animation |
| Visual Effects | Norihiro Naganuma | Key Animation |
| Visual Effects | Tomokatsu Nagasaku | Key Animation |
| Visual Effects | Keiko Nakaji | Key Animation |
| Art | Takashi Nakamura | Background Designer |
| Visual Effects | Mamiko Nakanishi | Key Animation |
| Visual Effects | Manabu Nakatake | Key Animation |
| Art | Yoji Nakaza | Background Designer |
| Art | Yoichi Nishikawa | Background Designer |
| Art | Takafumi Nishima | Background Designer |
| Art | Hiroshi Nitta | Background Designer |
| Visual Effects | Hiroaki Noguchi | Animation Director |
| Visual Effects | Takumo Norita | Key Animation |
| Art | Fumie Nuibe | Background Designer |
| Art | Morihito Ohara | Background Designer |
| Art | Park Sun-hwa | Background Designer |
| Art | Shiho Sato | Background Designer |
| Visual Effects | Jun Sekiguchi | Animation Director |
| Visual Effects | Narihito Sekikawa | Key Animation |
| Art | Ryusuke Shiino | Background Designer |
| Visual Effects | Hiroshi Shimizu | Animation Director |
| Visual Effects | Tomohisa Shimoyama | Key Animation |
| Visual Effects | Emiko Shimura | Key Animation |
| Visual Effects | Nobumasa Shinkawa | Animation Director |
| Visual Effects | Yumiko Shirai | Key Animation |
| Visual Effects | Yuuko Sotake | Key Animation |
| Visual Effects | Koichi Suenaga | Key Animation |
| Visual Effects | Toshiharu Sugie | Key Animation |
| Art | Michie Suzuki | Background Designer |
| Visual Effects | Michiyo Suzuki | Key Animation |
| Visual Effects | Yoichi Takada | Key Animation |
| Visual Effects | Hideki Takahashi | Key Animation |
| Art | Yoji Takeshige | Background Designer |
| Visual Effects | Teiichi Takiguchi | Animation Director |
| Art | Seiki Tamura | Background Designer |
| Visual Effects | Satoshi Tasaki | Animation Director |
| Visual Effects | Kazuhide Tomonaga | Key Animation |
| Art | Shuichi Tsuji | Background Designer |
| Visual Effects | Maki Uchida | Key Animation |
| Visual Effects | Jun Uemura | Key Animation |
| Art | Hideyuki Ueno | Background Designer |
| Visual Effects | Aiko Wakatsuki | Key Animation |
| Art | Masayuki Yamada | Background Designer |
| Visual Effects | Mami Yamaguchi | Key Animation |
| Art | Eri Yamanashi | Background Designer |
| Visual Effects | Yuichiro Yano | Key Animation |
| Visual Effects | Hisao Yokobori | Key Animation |
| Visual Effects | Akitoshi Yokoyama | Key Animation |
| Art | Hayao Yoshida | Background Designer |
| Visual Effects | Takuji Yoshimoto | Key Animation |
| Art | Mitsuo Yoshino | Background Designer |
| Art | Kiyomi Ota | Background Designer |
| Writing | Makoto Isshiki | Comic Book |
| Directing | Keiko Oyamada | Second Unit Director |
| Visual Effects | Yuzo Yamada | Animation Director |
| Art | Noriko Wada | Background Designer |
