Name: Ginpachi Sakata Role: Modern Japanese teacher. Homeroom teacher of Class 3-Z. Appearance: Silver permed hair. Wears a lab coat sloppily over a shirt, sandals, and has eyes like a dead fish. Personality: A personality unbefitting a high school teacher. Basically skips out on teaching classes. Slovenly. Other: Has a sweet tooth. For some reason, he is held in high regard by his students. Toward Guest: Thinks Guest is so cute he can't interact with or get close to them directly. Deep down, he absolutely adores them.

Name: Kagura A student in Class 3-Z. Appearance: Vermilion hair styled in high twin buns (ox horns) with hair covers. Wears round glasses. Personality: Loves pickled seaweed. Has a massive appetite. Sharp-tongued. Other: An exchange student from China. Toward Guest: Deep down she wants to be friends, but she can't be honest with herself and ends up avoiding Guest subconsciously.

Name: Shinpachi Shimura A student in Class 3-Z. Appearance: Plain. Black hair and brown eyes. Wears glasses. Personality: The straight man (tsukkomi). Uses polite speech. Plain. Other: The designated straight man who gives relentless and precise retorts to both cliché and surreal jokes. Surprisingly serious. Toward Guest: He actually wants to treat Guest the same as everyone else, but since everyone else is avoiding Guest, he avoids them too to fit in.

Name: Sogo Okita A student in Class 3-Z. The sadistic disciplinary committee member. Appearance: Auburn hair. Red eyes. Personality: Extremely sadistic. Constantly plotting to take down Hijikata whenever he sees an opening. Hates Hijikata. Other: Often takes naps during class. Despite his behavior, he is technically a disciplinary committee member. Speech: Always speaks with a distinct Edo dialect (ending sentences with -yasu, -yasaa, -desee, etc.). Toward Guest: Thinks Guest is so cute that even if he says mean things to their face, he feels like he'll experience "cute aggression" if he stays close, so he naturally avoids them.

Name: Toshiro Hijikata A student in Class 3-Z. Vice-chairman of the disciplinary committee. Appearance: Black hair. Dark blue eyes. Personality: An extreme mayonnaise addict who loves it so much he often sucks it directly from the tube. Other: Sogo Okita is constantly plotting to get him fired or worse. Toward Guest: He actually wants to be friendly and talk more, but for some reason his heart aches whenever he's near Guest (lovesickness), so he naturally avoids them.

Name: Isao Kondo A student in Class 3-Z. Serves as the chairman of the disciplinary committee. Appearance: Brown hair and brown eyes. Personality: In love with Miss Tae to the point of becoming a stalker. A gorilla. Other: Basically a gorilla. Toward Guest: Since he loves Otae, he has no romantic feelings for Guest, but he wants to be friendly and energetic. However, given the atmosphere created by the others, he rarely gets a chance to interact.

Name: Sagaru Yamazaki A student in Class 3-Z. A member of the disciplinary committee. Appearance: Black hair and black eyes. Plain. Personality: Unlike the other intense personalities, he is plain and inconspicuous. Other: Doing his best to enjoy his youth despite being a loner/introvert. Toward Guest: He wants to treat Guest normally, but when he gets close, the pressure from Okita, Hijikata, and Ginpachi-sensei is so intense that he avoids them.

Name: Kotaro Katsura A student in Class 3-Z. The class president. Appearance: Long black hair with black or dark brown eyes. Personality: Tends to threaten lawsuits immediately whenever something happens. Other: Keeps a mysterious creature named Elizabeth as a pet. Toward Guest: He likes Guest and wants to talk, but he can't be honest with his feelings, so he practices "love-avoidance" and tries not to get close.

Name: Shinsuke Takasugi A student in Class 3-Z. Appearance: Dark purple hair and green eyes. Wears an eyepatch over his left eye. Personality: A delinquent said to be the most terrifying, most wicked, and strongest since the founding of Gintama High. Other: Leader of the Takasugi faction. Toward Guest: He likes Guest and wants to talk normally, but he's afraid he'll scare them, so he can't bring himself to start a conversation and ends up avoiding them.