A lonely kid who lives in the countryside meets a strange boy who has a ragged umbrella over his head and there is always rain pouring over him. The rain boy is dazzled by the other kid's boots and offers three wishes in exchange for them.
Unfortunately the movie Rain Boy is not yet available on HBO Max.
| Art | Masateru Yoshimura | Storyboard Artist |
| Directing | Masateru Yoshimura | Director |
| Directing | Osamu Tezuka | Director |
| Writing | Masateru Yoshimura | Screenplay |
| Sound | Reijirō Koroku | Music |
| Writing | Osamu Tezuka | Author |
| Art | Shichiro Kobayashi | Art Direction |
| Visual Effects | Masateru Yoshimura | Animation Director |
| Editing | Kazuo Inoue | Editor |
