Edo period, Heizo Hasegawa was feared by thieves and villains as "Heizo the Oni". A young man inspects Heizo's surroundings to find out more about him, visiting Kumehachi, Hikoju, and Omasa. Heizo's true colors as a person start to become apparent.
Unfortunately the movie Onihei: That Man, Hasegawa Heizou is not yet available on HBO Max.
| Directing | Shigeyuki Miya | Director |
| Visual Effects | Shigeyuki Miya | Character Designer |
| Writing | Shōtarō Ikenami | Writer |
