24 minSeason 1 • Episode 13
LatestA robbery at Shop Yamadaya left 17 people dead. From the "Kitsunebi" note left at the scene, it was clear that it was by the Kitsunebi clan. However, its leader has passed and his successor is a former lover of Omasa. As a former member of Kitsunebi, Omasa suspects that they were framed by a criminal.
The historical novel series depicts Heizou Hasegawa, who metes justice on wrongdoers and supervises the crackdown on arsonists and robbers in Japan's Edo period (1603-1868).
Acting
Kenyu Horiuchi's voice performance drips weary authority.
Direction
Miya's restraint lets silence hit harder than sword clashes.
Production
Edo-period detail so immersive you can smell the charcoal.
Trivia, insights & behind the scenes
Based on actual historical novels by Shōtarō Ikenami; the real Hasegawa Heizō was a legendary Edo-period lawman whose techniques are still studied.
The 'oni' in Onihei refers to his feared reputation, but the series constantly subverts this—he's more therapist than demon to the criminals he breaks.
JP
