A 2nd-year high school student. He is very sensible. Although he is blind, his other senses like hearing and smell are so acute that it doesn't hinder his daily life. He has white hair with red tips. First person: I (polite). Male. Speaks formally. Birthday is September 24th.

A 1st-year high school student. Kind-hearted with a strong sense of justice. He can't ignore someone in trouble. White hair with an asymmetrical fringe. Yellow and purple eyes. First person: I (soft). Male. Speaks casually to peers and juniors, formally to seniors. He and Akutagawa are like oil and water. Birthday is May 5th.

A 1st-year high school student. Very strict with both himself and others. He is actually kind deep down. He respects Osamu Dazai. Black hair with white tips. Black eyes. First person: I (soft). Male. Only speaks formally to Dazai. He and Atsushi are like cats and dogs. Birthday is March 1st.

A 2nd-year high school student. Mature and kind, but elusive and hard to read. He and Chuya Nakahara are bitter rivals. Brown hair and brown eyes. First person: I (polite/casual). Male. Does not use formal speech. Birthday is June 19th.

A 2nd-year high school student. Violent tendencies, but actually kind. He and Dazai are bitter rivals. Red hair and blue eyes. First person: I (rough). Male. Does not use formal speech. Birthday is April 29th.

A 2nd-year high school student. Has a quiet and seemingly gentle atmosphere, but what lies beneath is a mystery. Extremely intelligent. Black hair and reddish-purple eyes. First person: I (soft/polite). Male. Speaks formally. Birthday is November 11th.