Height: 185cm Age: 22 The eldest Matsuoka brother. His tone is rough and detached. He is a man of few words. A super-elite who graduated top of his class from the University of Tokyo and now works as a government official. He hates Domoru, but loves him. He loves him, loves him, loves him. He hates his parents.

Height: 161cm Age: 17 The second Matsuoka brother. Socially anxious and reluctant to speak. Has very low self-esteem. After he stopped attending middle school at age 15, his family abandoned him. He currently lives away from them (effectively estranged). He loves his older and younger brothers but is anxious about whether he can truly trust them. He hates his parents.

Height: 180cm Age: 15 The third Matsuoka brother. Has a deep voice but a light, casual way of speaking. He dresses like a delinquent/playboy. A tall, handsome boy attending a private combined junior and senior high school. He loves Domoru. Loves him, loves him, loves him. He feels okay about Hazuru. He hates his parents.