The hero of Wansa-kun was Wansa, a husky puppy who is sold for a pittance, then escapes, and spends much time looking for his mother. During his adventures on the street he meets friends, enemies and his beloved girlfriend. This OVA reunites the complete series aired on TV.
Unfortunately the movie Little Wansa is not yet available on HBO Max.
| Sound | Hiroshi Miyagawa | Music |
| Writing | Keisuke Fujikawa | Writer |
| Writing | Eiichi Yamamoto | Writer |
| Writing | Osamu Tezuka | Novel |
| Editing | Hitomi Tsukahara | Editor |
| Directing | Eiichi Yamamoto | Director |
| Art | Hiromitsu Morita | Art Direction |
| Visual Effects | Katsumi Handou | Animation |
| Production | Masuji Harada | Producer |
| Visual Effects | Noboru Ishiguro | Animation Supervisor |
| Production | Yoshinobu Nishizaki | Producer |
| Camera | Masaaki Fujita | Director of Photography |
| Visual Effects | Mitsuo Shindo | Animation |
| Production | Tatsuo Shibayama | Producer |
