Detective Murakami meets a girl who suffers from memory loss. The girl has special abilities including the ability to talk with the dead. Detective Murakami names her Maki. Detective Murakami and Maki work together to solves a massive murder case involving a mad bomber. Maki's identity is revealed during their investigation.
Unfortunately the movie Arcana is not yet available on HBO Max.
| Directing | Yoshitaka Yamaguchi | Director |
| Writing | Shôtarô Oikawa | Screenplay |
| Writing | Yoshitaka Yamaguchi | Screenplay |
| Writing | Yua Kotegawa | Writer |
