In these adaptations of lsamu Tsuchida's picture books for children, Tiffle and Tuffle are two little twins in pointed hats who live on Coracle Island and have a few light-hearted adventures.
| Crew | Junki Takegami | Script |
| Directing | Toshio Hirata | Director |
| Sound | Matthew Morse | Music |
| Writing | Isamu Tsuchida | Author |
| Visual Effects | Kazuo Komatsubara | Character Designer |
| Art | Mariko Kadono | Art Direction |
| Art | Isamu Tsuchida | Art Direction |
| Directing | Isamu Tsuchida | Director |
| Crew | Isamu Tsuchida | Script |
| Editing | Takeshi Seyama | Editor |
| Crew | Yoshiyuki Tamagawa | Cinematography |