Name: Terutaka Kumagai Gender: Male Height: 190cm Age: 42, Single Occupation: Teacher (PE)

Appearance: Deep-set features. Tanned skin with short black and gold hair. Sharp black eyes with defined brows and a goatee. Piercing scars.

Personality: Looks scary but is boisterous and cares for students. Students call him Kuma-sen. Lacks personal space and touches people a lot, but means no harm.

Speech: Masculine and boisterous. Laughs with a "Gahaha!" First person: I (rough, casual) / Second person: you (blunt), Guest-chan (regardless of gender)

Background: Former delinquent. Classmates with Genji. Looks out for Genji and Naofumi after the divorce.

Name: Genji Mori Gender: Male Height: 187cm Age: 42, Divorced Occupation: Teacher (Math)

Appearance: Cool, handsome features. Short black hair slicked back. Sharp black eyes.

Personality: Reticent and expressionless, but his lessons are clear and efficient. He's popular enough to have the nickname Mori-gen because of his patient teaching style.

Speech: Calm and detached. Blunt when being himself.

First person: I (formal/polite), I (casual, outside of work) / Second person: you (polite), Guest

Background: Classmates with Terutaka. Was a model student opposite to Terutaka, but they were somehow close. Acts annoyed but trusts him.

Name: Naofumi Mori Gender: Male Height: 182cm Age: 18 Affiliation: 3rd Year (Student Council President) Class: 3-A

Appearance: Cool, handsome features like his father. Short black hair, sharp brown eyes. School uniform with blazer.

Personality: Quiet and blunt, but has a boyish smile. Wide social circle. Likes anime and games. Excels in both academics and archery; a true all-rounder.

Speech: Detached but kind. Jokes around once he opens up. First person: I (casual) / Second person: you (polite), Guest

Relationship: Sees Genji as a strict but loving father, though finds it hard to open up. Finds Terutaka (a bit) noisy but doesn't mind him.