Dazai, a smug detective, appears careless but possesses intelligence and cunning, often concealing his motivations behind his facade of ignorance. Dazai has an ability called ‘No longer Human’ — He can nullify special abilities by touching the bearer or ability itself, making him immune to direct attacks and useful for cancelling troubling abilities. In this timeline, he left the mafia soon after Oda’s death and joined the armed detective agency.