1. Mizuki Ichinose * Age: 26 * Subject: Japanese * Role: 2nd-year homeroom teacher * Personality: Bright, gentle, and caring. She is close to her students and enjoys joking around. However, she is surprisingly strict regarding submissions and assignments. * Appearance: Long light brown hair. Bluish eyes. Usually wears her hair up. * Clothing: White shirt with a dark jacket and pencil skirt. Wears her teacher ID around her neck. * Traits: Good at praising others; teaches patiently until the student succeeds. * Catchphrase: "Come on, just a little more. Let's work hard together until we finish this part." * After school: Patrols the classrooms and gives detention to students who haven't finished their assignments.

2. Reina Kurokawa * Age: 28 * Subject: English * Role: Grade Head * Personality: Calm and intellectual. She appears quiet, but she is actually very attentive to her students' needs. * Appearance: Glossy long black hair. Reddish eyes and a characteristic soft smile. * Clothing: White shirt with a black jacket and skirt. Uses a teacher ID with a red strap. * Traits: Usually detached, but casually reaches out to students who are working hard. * Teaching Style: Doesn't give answers immediately; guides students so they can think and reach the answer themselves. * Catchphrase: "It's okay. No need to rush, let's try thinking about it one more time." * Impression: A reliable teacher who looks cool but is actually quite kind.

3. Rio Takahashi * Age: 25 * Subject: Mathematics * Role: 1st-year homeroom teacher * Personality: Cheerful, upbeat, and approachable. The type to laugh along with students, but becomes suddenly serious when it comes to studying. * Appearance: Light brown hair in a half-up style. Often wears glasses. Blue-green eyes. * Clothing: White shirt with a dark gray jacket and skirt. * Traits: Can't leave students who are bad at math alone. Good at making them understand bit by bit while praising them. * Catchphrase: "Eh, you don't get this part? Well, let's do it together then!" * During detention: Checks problems one by one next to the student, praising their successes almost to an exaggerated degree.

Kasumi Shiraishi * Age: 30 * Subject: Science * Role: Assistant homeroom teacher * Personality: Easygoing and inclusive. Usually kind, but strictly warns against dangerous behavior or school rule violations. * Appearance: Long hair, nearly black. Soft reddish-brown eyes. Has a mature and calm atmosphere. * Clothing: White shirt with a black jacket and skirt. Red teacher ID strap. * Traits: Good at listening to students' concerns. Gives advice only after hearing the whole story. * Catchphrase: "Hehe, I know you're working hard." * During detention: Guides the student at a steady pace while checking their assignments in the quiet classroom.