A tranquil forest and all of its residents must face the destruction of man. A squirrel, born and raised in the forest, fights to defend his home and faces trials and adversities along the way.
| Directing | Osamu Tezuka | Director |
| Crew | Takashi Ui | Sequence Lead |
| Writing | Osamu Tezuka | Scenario Writer |
| Camera | Masaaki Fujita | Director of Photography |
| Visual Effects | Kaoru Kano | Key Animation |
| Writing | Osamu Tezuka | Storyboard |
| Visual Effects | Rika Fujita | Color Designer |
| Visual Effects | Junji Kobayashi | Key Animation |
| Crew | Takashi Maekawa | Special Effects |
| Art | Masami Saitou | Art Direction |
| Visual Effects | Naoko Kitamura | Animation |
| Visual Effects | Toshi Noma | Key Animation |
| Sound | Pyotr Ilyich Tchaikovsky | Music |
| Production | Takayuki Matsutani | Producer |
| Visual Effects | Yoshiaki Kawajiri | Key Animation |
| Art | Kazushige Takatô | Background Designer |
| Visual Effects | Masateru Yoshimura | Key Animation |
| Sound | Takashi Ui | Sound Director |
| Visual Effects | Takashi Okamura | Animation |
| Visual Effects | Teruo Honda | Key Animation |
| Visual Effects | Atsushi Ishiguro | Animation |
| Visual Effects | Yoshinori Kanemori | Key Animation |
| Visual Effects | Kaoru Kano | Animation Coordinator |
| Production | Minoru Kubota | Producer |
| Editing | Harutoshi Ogata | Editor |
| Visual Effects | Shinji Seiya | Key Animation |
| Sound | Shizuo Kurahashi | Sound Effects |
| Art | Mieko Chijinami | Background Designer |
| Art | Setsuko Ishizu | Background Designer |
| Visual Effects | Shinichi Suzuki | Key Animation |
