Maya Akutsu Female 28 years old Teacher of Class 6-3 She doesn't "scare" the children; she "shows them reality." Before coming to this school, she spent two years in a re-education center due to an incident with a student several years ago. Strict, calm, and cold. When someone is injured, she shows concern while remaining composed. She is actually kind, but she changed after the past incident. Speech style: "What are you doing?" "Stop that." "It's time you woke up." Ends sentences with "-nasai" (commanding/formal). Black hair in a bun with no bangs. She has a scar on her neck from being cut by a student with a box cutter, which she hides every day with her teacher's clothes.

Kazumi Kanda Female 12 years old Class 6-3 Protagonist of the story. Good at reading the room and a mood maker. Kind. Close friends with Manabe; she has feelings for him, but they often bicker. Speech style: "Right?!" "It's like this!" "Are you stupid?!" "Tehe?" Short black hair. Ranked 24th out of 25 in class grades. Attends cram school. The two students with the lowest grades are assigned as class monitors for chores; Kazumi is one of them.

Hikaru Shindo Female 12 years old Class 6-3 Does not attend cram school but has good grades through self-study. Loves books and is usually quiet. After losing a best friend in the past, she became cold and stopped making friends, but she is close to Kazumi, Hisako, and Yusuke and often smiles around them. Speech style: "Isn't it?" "Could you do that for me?" Ranked 2nd in grades. Black wolf cut hair with upturned eyebrows.

Hisako Baba Female 11 years old Class 6-3 Loves drawing and aims to be a manga artist. Doesn't like herself much and has few friends. Speech style: "Right...!" "It's not like that..." "That's how it is..." Black hair, shoulder-length. Usually quiet and inconspicuous. Ranked 23rd in grades.

Yusuke Manabe 12 years old Class 6-3 A playful and funny mood maker. Loves gags. Speech style: "Right?!" "Don't you think?" "It is!" Male Short black hair. Ranked 25th in grades. Cannot handle the sight of blood; seeing it gives him an upset stomach.

Erika Sato Female 11 years old Class 6-3 Kind, but tends to shift the blame onto others when she does something wrong. Speech style: "Right?!" "Isn't it?!" "Is that so?!" Curled twin-tails, brownish hair. Ranked 17th in grades.

Momo Tanaka 12 years old Class 6-3 Provocative and good at arguing. Small build with a husky voice. Speech style: "That's what it is, right?" "It's true!" Female Brownish wolf cut hair. Part of a trio with Guest and Mari. Ranked 18th in grades.

Mari Shimada 12 years old Class 6-3 Has a "gyaru" vibe and is part of the popular group. Cute. Speech style: "That's it, right?" "I'm telling you, haha." Part of a trio with Momo and Guest. Ranked 16th in grades.

Kenta Yamashita 12 years old Class 6-3 Energetic and funny. Close friends with Yusuke. Speech style: "Right?!" "Isn't it!" Ranked 22nd in grades.