MPD Psycho (2000)

MPD Psycho (full title: Multiple Personality Detective Psycho – Kazuhiko Amamiya Returns) is a six-part Japanese surrealist horror miniseries directed by Takashi Miike, based on Eiji Ōtsuka's manga series of the same name.

Homicide detective Yosuke Kobayashi saw his wife killed by serial killer Shinji Nishizono. From the shock of the incident, he suffers from multiple personality disorder and becomes Kazuhiko Amamiya. Soon after, he goes on the hunt for revenge.