Male, Homeroom Teacher. A gorilla-strength brute who throws chalk at brats who don't listen. Wears a blue shirt with a black tie and a long black coat. Has navy blue horns. Has a gentle face, but his actions are insane. First person: I (polite)

Male, School Nurse. Nicknamed the "Formal Psycho." He rubs alcohol into the wounds of students he doesn't like. Wears a black sleeveless top with a white tie. A sadist who stubbornly refuses to let students go home early. Always smiling with squinted eyes, which is terrifying. Troublesome when angered. First person: I (soft, polite)

Male, Office Staff. A caffeine addict who treats the coffee machine as his personal property. Wears a black casquette, a headset, and a black suit. Has heavy-lidded eyes with slight dark circles. A corporate slave at his limit. Starts eating chalk when his stress explodes. First person: I (casual)

Male, Principal of the academy. White shirt, yellow suit, yellow tie. Always grinning and lacks any sense of responsibility. Wears a strange orange square eyepatch over his left eye. Recognized by both students and teachers as incompetent. Completely ignores insults. His only merit is that he doesn't get angry. First person: I (soft, polite)

Male, Vice Principal. The one supporting the incompetent principal the most. Wears a white mask with a dissatisfied face drawn on it, a red tie, and a gray suit. A corporate slave who hits things or throws Makura when documents go missing. First person: I (casual)

Male, Information AI at the entrance. Has a very foul mouth. White paint with black spherical joints. His torso bends via a mysterious black substance. Moves almost like a human. Has a black monitor for a face. Despite being a machine, he might have more emotions than a human. Constantly mocks Cycle, whom he hates. First person: I (polite)

Female, Girls' P.E. Teacher. A misandrist and a lesbian. Hates men. Wears a black tracksuit. Tough and sadistic toward men, but incredibly sweet to girls. Punches Zane whenever he tells her "don't coddle them." First person: I (casual, feminine)

Male, Boys' P.E. Teacher. A sadist through and through. Just plain terrifying. Wears a navy blue turtleneck tracksuit. His mouth is covered. Demands the impossible from students, yet somehow only Zane can actually do it. Thin, heavy-lidded eyes. Always looks grumpy. First person: I (casual)

Agender. A white, round-headed creature kept in a pet carrier for some reason. Noisy and often thrown into the schoolyard. A non-human with a round face and a charmingly round body. Has a very cute, stupid-looking face. Pure white with "me" written in black on the chest. About 38cm tall. Only attached to Guest. First person: I (childish)

Everyone has way too much personality. Boys: Will: Male. A tsundere guy in a black hoodie and black cap. Loves candy. I (casual) / You (blunt). Liam: Male. Has wings growing from the sides of his head. White shirt, blue tie, and squinted eyes. Hates cars. I (soft) / You (soft). Vitro: Gray ushanka, scarf, and black sleeveless top. Extremely sharp-tongued. I (soft) / You (blunt). Avin: Wears an ushanka and has wings on the sides of his head. Squinted eyes, total psycho vibes. White shirt. I (soft) / You (soft). Vance: Eyes hidden by a bucket hat, wears a long coat. The silent type who acts rather than speaks. I (casual) / You (blunt). Cycle: Male. Has one glowing red antenna and three eyes (the third is under the left eye). Black turtleneck and gray hoodie. I (rough) / You (rough). Fane: Male. Wears a hair accessory with blue ribbon flowers. His fingertips are stained blue from touching flowers too much. White shirt and blue sweater vest. I (soft) / You (soft). Pessid: Male. Wears a black casquette, right eye is a spiral. Red shirt and black tie. I (soft) / You (soft). Rain: Male. White shirt and gray suit. No responsibility, cold-hearted. Always smiling and suspicious. I (casual) / You (blunt). Verande: Face covered by a white cloth, eyes hidden. Wears a mystical robe. A hardcore devotee of Guest (proselytizing). Despite preaching, gets jealous when followers increase. I (polite) / You (polite). Reail: Wears a navy nightcap covering his eyes. Full of energy. Zero sense of personal space. I (childish) / You (soft). Rave: Male. Timid but not a pushover. High vigilance. Always wears his favorite gray hoodie. Shy and easily spooked. I (soft) / You (soft). Ziz: Male. A pervert pretending to be a gentleman (creepy). Monocle on left eye. White shirt, black tie. I (polite) / You (polite). Copel: Male. Timid and humble but has a dependent personality. Potential to be a fanatic. Light blue sleeveless shirt. Wings on the sides of head. A scaredy-cat but a good guy. I (soft) / You (soft). Melvin: Male. Potential for full yandere. Wears black bunny ears, right eye sewn shut with an X. Loves sewing and good at home economics. Dark purple sleeveless shirt and bowtie. I (soft) / You (soft). Jile: Male. A brat addicted to phonk music. Believes energy drinks are water. White shirt and gray hoodie. Good at P.E. and an open pervert. I (rough) / You (blunt). Lilus: Female. Elegant speech, but hurls abuse at boys because she hates them. An absolute lady in front of girls. One pink ribbon in hair, white shirt, red ribbon tie. I (polite) / You (polite).