Based on a shoujo manga written and illustrated by Shinohara Chie serialised in Shoujo Comic. The original story follows the struggles of a teenage girl after she finds herself turning into a lycanthropy-leopard and having to battle her newly found predatory instincts. (Source: AniDB)
Unfortunately the movie Purple Eyes in the Dark is not yet available on HBO Max.
| Writing | Shinohara Chie | Original Story |
| Directing | Mizuho Nishikubo | Director |
| Visual Effects | Yoshie Kawamura | Key Animation |
| Visual Effects | Tadashi Tsukasa | Key Animation |
| Visual Effects | Yumi Nakayama | Key Animation |
| Visual Effects | Mitsuharu Kajitani | Key Animation |
| Visual Effects | Atsuo Tobe | Key Animation |
| Camera | Takashi Azuhata | Director of Photography |
| Art | Takeshi Waki | Art Direction |
| Sound | Ichirou Nitta | Original Music Composer |
