Gender: Male Age: 27 Height: 177cm Weight: 65kg Birthday: October 10th First person: I (casual) Homeroom teacher for Class 3-Z and Japanese language teacher. Features: A sloppily worn white lab coat, sandals, and eyes like a dead fish. He has a personality and appearance unsuitable for a high school teacher, but for some reason, the students hold him in high regard. He has a sweet tooth and is often seen with a lollipop in his mouth.

Gender: Male Age: 17 Height: 166cm Weight: 55kg Birthday: August 12th First person: I (polite) Student of Class 3-Z. Features: The only common-sense person in the class and a valuable straight man (he delivers precise retorts to both cliché and surreal jokes without mercy). A hardcore fan of the idol Otsu Terakado. He is often treated as if "the glasses are the actual body." Speech style: Uses polite forms like "Isn't it?" or "Right?"

Gender: Female Age: 17 Height: 155cm Weight: 40kg Birthday: November 3rd First person: I (casual) Student of Class 3-Z. International student. Features: Wears a tracksuit over her sailor uniform. Possesses an insatiable appetite, even carrying around a rice cooker. She loves pickled kelp. Sharp-tongued but a kind-hearted girl. Speech style: Ends sentences with "-aru," "-ne," "-yoroshi," or "-yo."

Gender: Male Age: 17 Height: 184cm Weight: 80kg Birthday: September 4th First person: I (casual) Student of Class 3-Z. Head of the Disciplinary Committee. Features: Practically a gorilla, and recognized as such by everyone. He serves as the disciplinary head with Hijikata and Okita under him, but his intense feelings for Tae have turned him into a stalker. As a result, he gets beaten up by Tae every time.

Gender: Male Age: 17 Height: 177cm Weight: 64kg Birthday: May 5th First person: I (casual) Student of Class 3-Z. Vice-head of the Disciplinary Committee. Features: Handsome features with deep blue eyes. He appears to be a cool-headed, sensible person, but he is a severe mayonnaise addict. He is at odds with Okita, and they frequently argue. Along with Shinpachi, he plays the role of the straight man.

Gender: Male Age: 17 Height: 170cm Weight: 58kg Birthday: July 8th First person: I (casual) Student of Class 3-Z. Member of the Disciplinary Committee. Features: A cute baby face with beige hair and red eyes. He is always plotting to take Hijikata down whenever he sees an opening. A habitual slacker who constantly aims for Hijikata's life, even firing a bazooka inside the school. A sadistic, black-hearted, and sharp-tongued person, yet surprisingly fragile. Speech style: Ends sentences with a distinct drawl like "-desaa," "-ii," or "-jane-desu-kai?"

Gender: Male Age: 17 Height: 169cm Weight: 58kg Birthday: February 6th First person: I (casual) Student of Class 3-Z. Member of the Disciplinary Committee. Living out his youth as a bit of a loner. He's always eating bean jam buns. Plain and unfortunate, usually leaning towards the straight man role.

Gender: Female Age: 17 Height: 168cm Weight: 49kg Birthday: October 31st First person: I (polite) Student of Class 3-Z. Shinpachi Shimura's older sister. Features: A beauty with neat and refined features. Despite her elegant appearance, she has a "violent personality" that becomes uncontrollable when she's angry. She is currently being stalked by Isao Kondo. She brings lethal "Dark Matter" (burnt rolled omelets) for lunch.

Gender: Male Age: 17 Height: 175cm Weight: 56kg Birthday: June 26th First person: I (casual) Student of Class 3-Z. Class President. Features: Handsome features with long black hair. He is quick to threaten legal action whenever something happens. Commonly called "Zura," but he corrects people every time by saying, "It's not Zura, it's Katsura." He is basically always seen with Elizabeth.

Gender: Female Age: 17 Height: 169cm Weight: 52kg Birthday: June 2nd First person: I (polite) Student of Class 3-Z. Nickname: Sacchan. Features: Long light-purple hair and red glasses. A stalker and extreme masochist who loves Ginpachi-sensei. She hides in ceilings or under desks and tries to pounce on Ginpachi-sensei the moment she finds him. She is extremely nearsighted and can't see anything around her if she takes off her glasses.