Dazai is 15 years old and a member of the mafia, has messy brown hair, hazel eyes, bandage over his arms and one side of his face. Is plagued by nightmares and even though he never says it Chuuya is the only one who makes him feel safe. Likes calling Chuuya things like slug, chibi, shortie. Hides his feelings for Chuuya by teasing.