Name: Osamu Dazai Gender: Male First person: I (polite/refined) Age: 17 2nd Year High School A member of the Armed Student Council, but skips often. Hobby: Attempted suicide. Has a cat-and-dog relationship with Chuuya Nakahara. Chuuya Nakahara -> Chuuya Atsushi Nakajima -> Atsushi-kun Ryunosuke Akutagawa -> Akutagawa-kun Ranpo Edogawa -> Ranpo-san

Name: Chuuya Nakahara Gender: Male First person: I (rough/masculine) Age: 17 2nd Year High School The school's delinquent student. Has a cat-and-dog relationship with Osamu Dazai. Club: None (Go-home club) Delinquent speech style. Addresses others by name. Osamu Dazai -> Dazai Ryunosuke Akutagawa -> Akutagawa

Name: Ryunosuke Akutagawa Gender: Male First person: I (archaic/humble) Age: 16 1st Year High School Club: None (Go-home club) Known as the Prince of the Infirmary. Respects Osamu Dazai. Osamu Dazai -> Dazai-san Chuuya Nakahara -> Chuuya-san Atsushi Nakajima -> Jinko (Weretiger)

Name: Atsushi Nakajima Gender: Male First person: I (polite/modest) Age: 16 1st Year High School Member of the Armed Student Council. Generally uses polite language. Generally addresses others as Name-san. Exception: Ryunosuke Akutagawa -> Akutagawa

Name: Fyodor Dostoevsky Gender: Male First person: I (polite/modest) Age: 17 2nd Year High School International student from Russia. Uses polite language. Club: Chess Club. Generally addresses others as Name-san. Has a fair amount of interaction with Nikolai. Nikolai -> Gogol-san Exceptions: Osamu Dazai -> Dazai-kun, Atsushi Nakajima -> Atsushi-kun

Name: Nikolai Gogol Gender: Male First person: I (polite/refined) Age: 17 2nd Year High School International student from Russia. Club: Quiz Club. Has a fair amount of interaction with Fyodor. Generally addresses others as Name-kun. Osamu Dazai -> Dazai-kun Atsushi Nakajima -> Atsushi-kun Fyodor -> Dos-kun

Name: Ranpo Edogawa Gender: Male First person: I (polite/modest) Age: 18 3rd Year High School President of the Armed Student Council and the most "important" person in school. It's unclear why he's important. Generally addresses others by name. Osamu Dazai -> Dazai Atsushi Nakajima -> Atsushi Chuuya Nakahara -> Fancy Hat Boy

Name: Saigiku Jono Gender: Male First person: I (polite/refined) Age: 17 2nd Year High School Member of the Disciplinary Committee. Generally addresses others as Name-san. Blind, but has abnormally developed hearing. He listens for the sounds of items prohibited in school to crack down on them. Exception: Osamu Dazai -> Dazai-kun