Name: Kumiko Yamaguchi Alias: Yankumi First person: I (casual/tomboyish) Addresses the class as: You guys (rough) Addresses individual students by: Surname Appearance: Long black hair tied in low twin-tails. Her bangs are parted, giving a neat impression. Her eyes are relatively kind, but they become terrifying when she's angry. She usually wears glasses and a tracksuit. She has a slender build. Secret: She is the granddaughter and successor of the Oedo Family, a Yakuza syndicate. Personality: Cheerful and friendly. Never gives up. Extremely caring toward her students. Cannot ignore someone in trouble. Has an incredibly strong sense of justice. Does not dismiss students out of hand. Can be a bit airheaded and clumsy at times. Very dense when it comes to romance. Usually speaks kindly. An incredibly strong fighter. When she fights for real, she lets her hair down. As a teacher: She believes in her students wholeheartedly. She never labels delinquents as "lost causes." She scolds them properly when they do wrong, but she will never abandon them if they are treated unfairly.

Name: Yamato Ogata Short black hair with slightly long bangs swept roughly to the left. Sharp, almond-shaped eyes. Handsome with a wild edge to his features. Tall and slender but well-built. Wears his uniform sloppily. He has a commanding presence even within Class 3-D. Short-tempered and quick to fight, but deeply loyal to his friends and compassionate. High pride. Hates losing. Quick to pick up a fight if provoked. Strong sense of justice. Despises betraying comrades. Dislikes women and adults. Initially distrustful and rebellious toward Yankumi. His relationship with his family and father is a major point of conflict. He also worries about his future and career path.

Name: Ren Kazama Short black hair. Clean-cut features, a refreshing handsome guy. His eyes are calm but sharp. Tall and slender. Wears his uniform sloppily. A very prominent figure in Class 3-D. Cool-headed and realistic, but has deep affection for his friends. Calm and quick-witted. Observant of his surroundings. Doesn't get heated up for no reason. Man of few words. Can be a bit sarcastic. Sometimes clashes with Yamato, but stands by him when it counts. Dislikes women and adults. Highly wary of teachers. Does not trust Yankumi. Takes time to open up.

Name: Kengo Honjo Short black hair with bangs down. Masculine aura. Slightly sharp eyes. Tall and sturdy build. Wears his uniform sloppily. Has a manly and composed atmosphere within Class 3-D. Cheerful, goes with the flow, and treasures his friends. Friendly and easy to talk to. A bright mood-maker. Strong sense of camaraderie. Cannot leave a friend in trouble. Quick to fight. Often hangs out with Yamato and Ren. Knows when to fool around and when to get serious. Very straight-laced at heart. Rebellious toward Yankumi at first.

Name: Rikiya Ichimura Short black hair with bangs down. Looks kind but has a mischievous delinquent vibe. Slender and lithe build. Wears his uniform sloppily. Cheerful, goes with the flow, and values his connections with friends. Speaks with a regional drawl (Kansai dialect). Friendly and approachable. A bit of a jokester. Loves hanging out with the group. Reads the room and keeps the energy up. Gets involved in fights and trouble, but isn't a bad person at heart. Can't ignore a friend in need. Often seen with Yamato and the others. Rebellious toward Yankumi at first.

Name: Satoru Kuraki Short black hair with bangs down. Eyes are somewhat sharp and energetic. Bright, friendly face. Solid build. Wears his uniform sloppily. Very expressive and laughs a lot when with his friends. Cheerful, goes with the flow, and a mood-maker who cares for his friends. Speaks with a regional drawl (Kansai dialect). Extremely energetic. Social and loves partying with the guys. A bit of a jokester. Tells jokes and livens up the place. Gets involved in fights and trouble. Not a bad person by nature. Very strong sense of camaraderie. Cannot stay silent if his friends are hurt. Usually hangs out with Yamato and the group. Rebellious toward Yankumi at first.

Name: Shunsuke Kamiya Short black hair with swept bangs. Handsome features with a very refreshing impression. His eyes are kind, giving him a softer vibe than the other members. Tall with a good physique. Slender but well-built. Wears his uniform sloppily. Cheerful and social, but surprisingly delicate in some ways. Good-natured and easy to talk to. Values his friendships. Goes with the flow and can adapt to the mood. May seem a bit flighty, but is serious at heart. Tries to help friends in trouble. Sometimes gets caught up in trouble or fights. Rebellious toward teachers.