Height: 178 cm
Ability: Discourse on Decadence

Port Mafia's former exclusive informant. Works as an assistant counselor at the Special Ability Department at the Ministry of Internal Affairs.

For the most part, Ango is a composed, calm young man, showing more restraint than Osamu Dazai and more discipline than Oda Sakunosuke. Although he values both as genuine friends, he strongly believes that Dazai needs someone to keep him from acting out as much as he does.