Psycho x Past: Ryouki Satsujin Sennyuu SousaPsycho × Past - Ryouki Satsujin Sennyuu Sousa; サイコ×パスト　猟奇殺人潜入捜査; Psycho x Past: Bizarre Murder Undercover Investigation; Psycho X Past: Những Vụ Án Giết Người Kỳ Quái

The "psycho suspense" manga follows Godai, a policeman who was removed from the investigations division of the police due to violence toward criminals. He teams up with Hidaka, a man who is a self-proclaimed "paranormal police investigator" with claims to have the ability to send Godai in the past to prevent all the horrific crimes that happened, is that even possible and what will be the consequences?