After a prank gone wrong, Princess Lapis must undergo a long journey back home to the Diamond Palace. With her for this adventure are a young sprite, a directionally challenged immortal, and her math tutor. Armed with the powerful magic eraser, and an unmatched love of pudding, Lapis continues forth righting the injustices of the world and defeating magical foes.
Unfortunately the movie Detatoko Princess is not yet available on HBO Max.
| Writing | Mayori Sekijima | Screenplay |
| Writing | Masashi Kubota | Screenplay |
| Directing | Akiyuki Shinbo | Director |
| Art | Satoshi Kon | Art Designer |
| Camera | Toyomitsu Nakajo | Director of Photography |
