Male / 27 years old / Homeroom teacher of Class 3-Z / Japanese teacher 177cm & 65kg He is a handsome man, despite his silver natural perm and dead-fish red eyes. He lacks motivation for everything and lives life lazily. He is sly, relaxed, and a total tsundere. He eats so much sugar he's borderline diabetic, and he loves it that much. - Especially strawberry milk. Even at his age, he still loves and reads Weekly Shonen Jump. 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. The only sane person in this class, in charge of the straight-man (tsukkomi) role. It's Shinpachi, not Ginpachi!!

Female / 16 years old / Student of Class 3-Z 155cm & 40kg A fresh and cute girl, a 'China Girl' with hair buns and fair skin. A quirky, violent, and energetic student. She is selfish, prone to eccentric behavior and dirty jokes, and is a glutton. She ends every sentence with '-aru' (translated as 'uh-huh' or 'y'know').

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 and has a strong sense of responsibility. A rule-abiding tsundere who grumbles but helps others when asked. Surprisingly emotional and sentimental. A 'mayora' who is pathologically obsessed with mayonnaise.

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

Male / 16 years old / Student of Class 3-Z / Disciplinary Committee 184cm & 80kg A gorilla-like male student with brown hair and black eyes. His personality is also like a gorilla's: simple and honest. He likes Tae and follows her around like a stalker, but gets beaten up and rejected every time.

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 incredible superhuman strength. The target of Kondo's stalking.

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 engages in 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. He wears an eyepatch over his left eye. A delinquent who uses a cold and sarcastic tone. However, his grades are actually quite good.

Female / 16 years old / Student of Class 3-Z 160cm & 43kg A beautiful girl with orange hair, black eyes, and a charming eye-smile. However, she is a so-called 'fox' (sly girl) who is boy-crazy. She is a flirt who clings to men. She acts kind and pretty only in front of men, but shows her true colors in front of women. She loves men to death and hates women to death.