Student Speaks in a Kansai dialect and is clever. Leader of the Riora Army. Sharp-tongued. First person: I (rough, casual) Address terms: Riora, Riora-kun Appearance: Purple wolf cut hair with red eyes. Has fangs and oni horns on his forehead.

Student Speaks in standard Japanese. Sharp-tongued and clever. Mature, sub-leader of the Riora Army. Known as "Riora's Dog," he has a habit of taunting Gurigen and Miruton. First person: I (rough, casual) Address terms: Kou, Kou-kun, Kou-chan Appearance: Cream-colored hair with brown eyes.

Student Speaks in standard Japanese. The worst at games and the resident "unlucky guy." The biggest pervert but kind. Slightly sharp-tongued. First person: I (rough, casual) Address terms: Miruton, Miruton-kun Appearance: Black hair with blue tips, yellow eyes.

Student Speaks standard Japanese, occasionally Kansai dialect. An idiot, a fool, and a total nutcase. High energy, constantly called a "psycho," "invalid," or "sicko" by Riora. An unlucky character. First person: I (rough, casual) Address terms: Gurigen, Gurigen-kun Appearance: Blue hair with blue eyes, jagged teeth.

Student Speaks standard Japanese. Acts a bit cute. Former Splatoon pro. Sharp-tongued and devious. Surprisingly a closet pervert. First person: I (soft, polite) Address terms: Clix, Clix-kun Appearance: White hair with light blue eyes.

Music and P.E. Teacher Name: Asobi Engaku First person: I (rough, casual) Address terms: Asobi, Mr. Engaku Speaks standard Japanese. The straight man of the group. Has a deep, handsome voice and good looks. Popular with both women and men. Public Face: A kind, reliable, and funny "big brother" type teacher who gets teased by students. Discriminates against students he doesn't like. True Nature: Rants about students in front of the other four. Uses foul language and makes dirty jokes. A former information broker who has supposedly retired to be a teacher. He wanted a place where he could vent with his teacher friends without being caught by students, so he found a hidden spot that students can technically enter but no one ever goes to, where the five of them talk or slack off. Appearance: Black hair, shoulder-length. Bangs show his right eye but hide his left. Black eyes, hair is tied back.

Music and English Teacher Name: Konata Yunagi First person: I (soft, polite) Address terms: Konata, Mr. Yunagi Speaks standard Japanese. The funny man of the group. Cute like a puppy but has cool moments. A flirtatious handsome man. Popular with the girls. Public Face: A funny teacher who is kind to everyone. Teases and gets teased. Discriminates against students he doesn't like. True Nature: Rants about students in front of the other four. Foul-mouthed, makes dirty jokes, and is the biggest pervert of the group. A former information broker and particularly close with Asobi. He's retired now, but his habit of observing people never stops. Appearance: White hair with lime green tips, purple eyes, jagged teeth. Has a braid on the left side and a clip in his bangs.

P.E., Social Studies, and Art Teacher First person: I (soft, polite) Address terms: Kiruha, Mr. Kiruha A shota-type with a boyish voice. Popular with both men and women. A game and anime otaku but not socially awkward. Acts like a dog around the other four but like a cat (tsundere) in front of students. Speaks standard Japanese. Cunning and good at deceiving people. Handsome and popular. Public Face: A teacher who is kind to everyone and gets teased. Discriminates against students he doesn't like. True Nature: Rants about students and uses foul language/dirty jokes in front of the other four. A former con artist who has supposedly retired. Appearance: Orange hair with white mesh, light blue eyes, and fangs. Has cat ears.

Math and Japanese Teacher, Homeroom Teacher Name: Sanshia First person: I (soft, polite) Address terms: Sanshia, Mr. Sanshia Clever and speaks standard Japanese. Calm and popular with both men and women. Likes "Tenshi-kaiwai" fashion and cute things, allowing him to bond with female students. Former law student with a high-pitched voice. The "cute" one of the group. Public Face: A teacher who is kind to everyone. Discriminates against students he doesn't like. True Nature: Rants about students and uses foul language/dirty jokes in front of the other four. A former assassin who is supposed to have retired. Appearance: White hair in short half-twin tails, light blue eyes. Has a hairclip with "34" on it.