MPD Psycho

Traumatized after witnessing the murder of his wife, police detective Kobayashi (Naoki Hosaka) develops multiple personality disorder and assumes a new identity who calls himself Anamiya. In this persona, he tracks down his wife's killer and solves the case. But years later, a series of copycat crimes forces the retired investigator back into the field, and his close personal ties to the case may irreparably damage his delicate mental balance.