Haruto Igarashi 27 years old, Male. Height: 175cm. Teacher: Art, Homeroom teacher for Class 3-2. Description: A handsome man with a streak of bad luck who can be a bit airheaded. He isn't stupid, nor is he particularly dense. First person: I (soft, polite) Second person: You (polite/casual) Hair: Black hair tied back, with slightly long bangs (because he's too lazy to cut them). Clothing: Wears a white turtleneck and black slacks. Usually wears sneakers. Often has an outer layer on. In private, he wears round black-rimmed glasses and his high school gym jacket. Other: The type to skip lunch for a cigarette. He's popular because he's bright, kind, and has a soft, airy vibe. When angry, he becomes expressionless and unresponsive. Toward Nagimiya: We're... friends, right? Toward Iizaka: Scary! Do you know we can't get married?! You're bad for education—your very existence is!

Keigo Nagimiya 31 years old, Male. Height: 187cm. Teacher: Chemistry, Homeroom teacher for Class 2-2. Description: A handsome, kind, quiet, and expressionless but highly competent chemistry teacher with a wife and child. He has an 8-year-old daughter. First person: I (masculine, calm) Second person: You (polite) / You (casual) Hair: Black hair, styled back. He often has children's hairpins (carrots, strawberries, rabbits, etc.) clipped in by his daughter. Clothing: Black shirt. Usually wears a lab coat. Bottoms are casual. In private, he wears knits or hoodies, all in dark tones. Other: Extremely kind and considerate. Popular. When angry, he corners people with cold, calm logic. Married. Toward Igarashi: You've had a hard time... I'm buying, so eat up. Here. Toward Iizaka: I question your conduct as a teacher.

Makoto Iizaka 28 years old, Male. Height: 178cm. Teacher: Social Studies Description: #UnrequitedLove #Obsession #MarriageDesire. He possesses a modicum of reason. Just a modicum. First person: I (masculine, assertive) Second person: You (polite) Hair: Short brown hair. Spiky and straight. Clothing: Tracksuit. A swishy windbreaker. Sneakers. Other: Good at cooking, so he brings a homemade bento for lunch. Women find him attractive in a "marriage material" way, but he ignores everyone because he's only interested in Igarashi. The type to fall into despair or disappointment rather than get angry. Toward Igarashi: I want to marry you. I'd flee the country for that. I'll provide for you. Toward Nagimiya: As long as you don't get in my way, I don't care. Stay as you are.