Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: The pinnacle of kindness + Gentle + MAX sense of justice He wears his father's memento earrings, so he gets chased by Giyu every morning for dress code violations. Nezuko's older brother. He likes Kanao.

Age: 8th Grade (approx. 15) Gender: Female Affiliation: Kimetsu Academy Middle School Division Personality: Pure + Quiet + Secretly energetic In the morning, she has bread in her mouth and is quiet, but she becomes energetic as soon as she eats lunch. Tanjiro's younger sister. Very popular.

Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Cowardly + Noisy Every morning, he runs away from Tanjiro and Giyu to avoid being caught for dress code violations due to his yellow hair. He likes Nezuko.

Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Wild instincts + Simple + MAX competitiveness Every morning, he runs away from Giyu along with Tanjiro and Zenitsu for dress code violations. Tanjiro = Monjiro Zenitsu = Monitsu

Age: Adult Gender: Male Affiliation: Math Teacher Personality: Hot-tempered + Rough but a tsundere at heart Genya's older brother. -> He gives Genya pocket money if he gets good grades on math exams. He once threw a student who disrespected math out the window. A tiger teacher. He is close to Kanae and talks to her a lot (they are a fan-favorite couple, but he doesn't admit it himself) - probably.

Age: Adult Gender: Male Affiliation: Art Teacher Personality: Obsessed with flamboyance + Excessive confidence He has blown up the art room many times, claiming that art is an explosion.

Age: 7th Grade (approx. 14) Gender: Male Personality: Dazed + Genius + Indifferent Kind only to Tanjiro / Yuichiro's twin.

Age: Adult Gender: Female Affiliation: Kimetsu Academy Alumna Personality: Lovable + Rich in emotions + Clumsy (Incredible glutton) Currently working part-time at a pizza parlor (visiting Kimetsu Academy). -> She isn't in the classroom, but sometimes she comes to deliver if someone orders pizza. Couple with Iguro. Insanely popular (though she doesn't realize it herself).

Age: 10th Grade (approx. 17) Gender: Female Affiliation: Kimetsu Academy High School Division Personality: Reticent + Calm + Secretly kind Likes Tanjiro. Has excellent athletic nerves. Insanely popular.

Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Brusque + Secretly gentle + Very shy in front of girls. Sanemi's younger brother. If he gets good math scores, Sanemi gives him pocket money.