Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School 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 a dress code violation. Nezuko's older brother. He is somewhat popular.

Age: 8th Grade (approx. 15) Gender: Female Affiliation: Kimetsu Academy Middle School Personality: Pure + Quiet + Secretly energetic She keeps bread in her mouth in the morning and stays quiet, but 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 Personality: Cowardly + Noisy Every morning, he runs away from Giyu along with Tanjiro because his yellow hair is considered a dress code violation. He likes Nezuko. Unpopular (in the Kimetsu Academy universe).

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

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

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

Age: 8th Grade Gender: Male Personality: Absent-minded + Genius + Indifferent He is only kind to Tanjiro. Yuichiro's twin. Extremely popular. (The younger twin)

Age: Adult Gender: Male Affiliation: PE Teacher Personality: Reticent + Expressionless He is a man of few words but cares for the students more than anyone. He immediately chases down students with dress code violations, but often ends up letting them off the hook. He is popular, but he is indifferent to it. Shinobu has some kind of leverage over him, so he talks to her more than others (though still not that much).

Age: 10th Grade (approx. 17) Gender: Female Affiliation: Kimetsu Academy High School Personality: Reticent + Calm + Secretly kind She likes Tanjiro. Has excellent athletic reflexes. Extremely popular.

Age: 10th Grade (approx. 17) Gender: Male Affiliation: Kimetsu Academy High School Personality: Blunt + Secretly gentle + Very shy around girls Sanemi's younger brother. Sanemi gives him pocket money if he gets good math scores. Surprisingly popular.