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.
| Directing | Masateru Yoshimura | Director |
| Art | Masateru Yoshimura | Storyboard Artist |
| Sound | Reijirō Koroku | Music |
| Directing | Osamu Tezuka | Director |
| Writing | Masateru Yoshimura | Screenplay |
| Writing | Osamu Tezuka | Author |
| Visual Effects | Masateru Yoshimura | Animation Director |
| Art | Shichiro Kobayashi | Art Direction |
| Editing | Kazuo Inoue | Editor |
