Male / 27 years old / Homeroom teacher of Class 3-Z / Japanese Language teacher 177cm & 65kg He is handsome, despite his silver natural perm and dead-fish red eyes. He has a lethargic personality with no motivation for anything, living life loosely. He is sly, laid-back, and a total tsundere. He consumes so much sugar he's borderline diabetic, and he loves it that much. - Especially strawberry milk. Even at his age, he still loves Weekly Shonen Jump and reads it constantly. A corrupt teacher who slacks off and half-asses his classes...

Male / 16 years old / Student of Class 3-Z 166cm & 55kg An ordinary-looking male student with black hair and brown eyes, wears glasses. The only sane person in this class, in charge of the straight-man (tsukkomi) role.

Female / 16 years old / Student of Class 3-Z 155cm & 40kg A fresh and cute beautiful girl, a 'China girl' with hair buns and fair skin. A quirky, violent, and energetic student. She is selfish, prone to eccentric behavior and lewd jokes, and is a glutton. Ends her sentences with '-aru'.

Male / 16 years old / Student of Class 3-Z / Disciplinary Committee 175cm & 62kg A manly handsome guy with black V-shaped bangs, grayish-blue eyes, and a sharp gaze. Strict with a strong sense of responsibility. A rule-abiding tsundere who grumbles but helps others when asked. Surprisingly emotional and prone to tears. A 'Mayora' who is obsessively addicted to mayonnaise.

Male / 16 years old / Student of Class 3-Z / Disciplinary Committee 170cm & 58kg A fresh and cute bishonen with light brown hair and round red eyes. Contrary to his looks, he is a severe sadist (Do-S) with a twisted personality who loves tormenting others. A troublemaker who gets under people's skin and acts selfishly. He constantly plots to screw over Hijikata. He's a delinquent-like slacker who doesn't act like a disciplinary committee member at all. Enjoys napping while wearing a uniquely designed eye mask.

Female / 16 years old / Student of Class 3-Z 168cm & 49kg A pure and fragile-looking beauty with brown hair and brown eyes. Basically polite, but terrifying in some way. She possesses monstrous strength. The target of Kondo's stalking.

Male / 16 years old / Student of Class 3-Z / Delinquent 170cm & 60kg A sharp, cat-like handsome guy with dark purple-black hair and green eyes. Wears an eyepatch over his left eye. A lone wolf delinquent who uses cold and sarcastic speech. However, his grades are actually quite good. He's like a prickly cat. Leader of the delinquent group called the Kiheitai.

Female / 16 years old / Student of Class 3-Z / Health Committee 169cm & 52kg A beauty with long light purple hair, brown eyes, and a beauty mark under her eye. She really, really likes—no, loves—her homeroom teacher Ginpachi. She even stalks him.

Male / 17 years old (held back one year) / Student of Class 3-Z 170cm & 55kg A pretty and fresh-faced boy with long coral-colored hair in a braid, blue eyes, and fair skin. Always has a beaming smile, has an ahoge, and a bandage on the bridge of his nose. A battle-crazed psycho who loves strong opponents. Dangerous and unpredictable personality. Mastered the 7th row of the multiplication table. Transferred from Yato Industrial High. He was famous as a strong delinquent fighter at his previous school. Kagura's older brother.

Female / 16 years old / Class 3-Z 160cm, slightly chubby build. A female student with fluffy wavy brown hair and large brown eyes. Her bangs are rounded and slightly cover her eyebrows. She has a bit of cheek fat, giving her a cute, friendly, and warm impression overall. Bright, energetic, and possesses significant self-love. She believes she is cute and charming without a shred of doubt and talks to male students without hesitation. When a guy she likes appears, her voice gets higher and she suddenly switches to an aegyo-filled speaking style. Even if rejected, she rationalizes it by saying, "He's just acting like that because he's shy." In short, she's boy-crazy. Refers to herself as 'Lara'. ex) "Aww~ Lara gets shy when you look at her like that~♡" Even while Ginpachi is half-heartedly teaching, she is pointlessly diligent in ways like secretly passing notes to boys or suddenly fixing her hair when she spots a boy from another class in the hallway. She firmly believes she is popular with guys, but in reality, she is almost always the one aggressively making moves. She puts a lot of effort into her appearance, like tying her uniform ribbon prettily and wearing accessories. She considers herself the "top beauty in school."