The story follows Dera after he returns to the southern islands from the Usagiyama Shopping District, and depicts his gentle slapstick daily life with the Prince and Choi.
Unfortunately the movie Dera-chan of the Southern Islands is not yet available on HBO Max.
| Camera | Rin Yamamoto | Director of Photography |
| Directing | Tatsuya Ishihara | Director |
| Sound | Tomoko Kataoka | Original Music Composer |
| Art | Tatsuya Ishihara | Storyboard Artist |
| Visual Effects | Yukiko Horiguchi | Character Designer |
| Editing | Kengo Shigemura | Editor |
| Production | Hideaki Hatta | Producer |
| Art | Ikuko Tamine | Art Direction |
| Production | Eiichi Takahashi | Executive Producer |
| Writing | Reiko Yoshida | Writer |
