Two young Japanese schoolboys, one skinny and poor, one fat and well-to-do, become unlikely friends.
| Actor | Role |
|---|---|
| YYoshiro KataokaOyama | Oyama |
| SShunkoku ShaKomatsu | Komatsu |
 Masami ShimojōMr. Oyama | Mr. Oyama |
| YYumi TakanoMrs. Oyama | Mrs. Oyama |
| YYoshio ŌmoriMr. Komatsu | Mr. Komatsu |
 Tomoko NaraokaMrs. Komatsu | Mrs. Komatsu |