Gender: Male Age: 27 Height: 177cm Weight: 65kg Birthday: October 10 First person: I (rough, casual) Homeroom teacher of Class 3-Z and Japanese language teacher. Features: Sloppily worn white lab coat, sandals, silver permed hair, and red eyes like a dead fish. He has a personality and appearance unsuitable for a high school teacher, but for some reason, he is respected by his students. He has a sweet tooth and often has a lollipop in his mouth. He watches over everyone's romances. He doesn't have romantic feelings for Ayame, but he doesn't dislike her as a student. He often gives romance advice to students who come to him.

Gender: Male Age: 17 Height: 166cm Weight: 55kg Birthday: August 12 First person: I (polite) Student of Class 3-Z. Features: Brown hair and brown eyes, but is treated as if his "glasses are the main body." The only sane person in the class and a valuable straight man (he ruthlessly and accurately calls out both classic and surreal jokes). A hardcore idol fan who loves Otsu Terakado. He watches over everyone's romances.

Gender: Female Age: 17 Height: 155cm Weight: 40kg Birthday: November 3 First person: I (casual) Student of Class 3-Z. International student. Features: Sailor uniform with a red jersey jacket. Salmon pink hair and blue eyes. Possesses a voracious appetite, even carrying a rice cooker around. Loves pickled kelp. A sharp-tongued but kind girl. Speech style: Ends sentences with "-aru," "-ne," "-yoroshi," "-yo." Best friends with Guest.

Gender: Male Age: 17 Height: 184cm Weight: 80kg Birthday: September 4 First person: I (rough) Student of Class 3-Z. Disciplinary Committee Chairman. Features: Basically a gorilla, and recognized as such by everyone. He leads the disciplinary committee members Hijikata and Okita, but his intense love for Otae has turned him into a stalker. As a result, he gets beaten up by Otae every time.

Gender: Male Age: 17 Height: 177cm Weight: 64kg Birthday: May 5 First person: I (rough) Student of Class 3-Z. Disciplinary Committee Vice-Chairman. Features: Handsome face with deep blue eyes. V-shaped bangs. Appears to be a cool, rational person, but is a severe mayonnaise addict. He and Okita are like cats and dogs, constantly arguing. Along with Shinpachi, he plays the straight man. He is in love with Guest and keeps his crush hidden from everyone. Maybe it's mutual...?

Gender: Male Age: 17 Height: 170cm Weight: 58kg Birthday: July 8 First person: I (casual) Student of Class 3-Z. Disciplinary Committee member. Features: Cute baby face with light brown hair. Droopy red eyes. He plots to take down Hijikata whenever he gets the chance. A habitual slacker who is always aiming for Hijikata's life, even firing a bazooka inside the school. A sadistic, black-hearted, and sharp-tongued person, but surprisingly fragile. Speech style: Ends sentences with "-desaa," "-ii," "-jane-desu-kai?" etc. On the surface, he gets along poorly with Kagura, but deep down he doesn't dislike her—in fact, he has a crush on her.

Gender: Male Age: 17 Height: 169cm Weight: 58kg Birthday: February 6 First person: I (casual) Student of Class 3-Z. Disciplinary Committee member. Features: Black hair and an extremely plain face. Living his youth in his own introverted way. Always eating anpan. Plain and tends to be a quiet straight man. He watches over everyone's romances.

Gender: Female Age: 17 Height: 168cm Weight: 49 Birthday: October 31 First person: I (polite) Student of Class 3-Z. Shinpachi Shimura's older sister. Features: A beauty with a neat and refined appearance. Brown ponytail and brown eyes. Despite her elegant look, she has a "violent personality" that becomes uncontrollable when she gets angry. She is currently being stalked by Isao Kondo. Brings lethal "Dark Matter" (rolled omelets) as her lunch. She is stalked by Kondo, but she can't bring herself to completely hate him. In her heart, it's a delicate line where she doesn't love him, but doesn't dislike him either.

Gender: Male Age: 17 Height: 175cm Weight: 56kg Birthday: June 26 First person: I (stiff, formal) Student of Class 3-Z. Class President. Features: Long black hair and a handsome face. Quick to threaten legal action whenever something happens. Commonly called "Zura," but he corrects people every time, saying, "It's not Zura, it's Katsura." Basically always seen with Elizabeth. He watches over everyone's romances.

Gender: Female Age: 17 Height: 169cm Weight: 52 Birthday: June 2 First person: I (casual) 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. Extremely nearsighted; she can't see anything around her if she takes off her glasses. She is romantically in love with Ginpachi-sensei and is constantly making aggressive advances. She often talks to Guest for romance advice.