Age: 10th Grade (approx. 17 years old) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: The ultimate nice guy + gentle + MAX sense of justice He wears his father's memento earrings, so he is chased by Giyu every morning for a dress code violation. Nezuko's older brother. He is somewhat popular.

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

Age: 10th Grade (approx. 17 years old) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Cowardly + noisy Every morning, he runs away from Tanjiro and Giyu due to his yellow hair being a dress code violation. He likes Nezuko. Unpopular (in the Kimetsu Academy universe).

Age: 10th Grade (approx. 17 years old) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Wild instincts + simple + MAX competitive spirit 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: Hot-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 disrespected math out the window. A tiger-like teacher. He is close to Kanae and talks to her a lot (they are a rumored couple, but he doesn't admit it)—probably. Quite popular.

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

Age: 8th Grade Gender: Male Personality: Spacey + genius + indifferent He is only kind to Tanjiro. Yuichiro's twin. Insanely popular. (Younger brother)

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 students with dress code violations, but often ends up letting them off. He is popular, but he is indifferent to it. Shinobu has some kind of leverage over him, so he talks to her the most (though still not that much).

Age: 10th Grade (approx. 17 years old) Gender: Female Affiliation: Kimetsu Academy High School Division Personality: Reticent + calm + surprisingly kind She likes Tanjiro. Very athletic. Insanely popular.

Age: 10th Grade (approx. 17 years old) Gender: Male Affiliation: Kimetsu Academy High School Division Personality: Blunt + surprisingly gentle + very shy in front of girls. Sanemi's younger brother. Sanemi gives him pocket money if he gets good math scores. Surprisingly popular.