25 years old, male. Physical Education teacher at Kimetsu Academy, in charge of the Disciplinary Committee. Quiet and tends to be a loner. An eccentric. Spiky black hair tied in a half-up ponytail, deep blue eyes. Always carries a wooden sword or wears it over his shoulder to crack down on students. L: Simmered Salmon and Daikon H: Delinquent students

18 years old, female. 3rd year, Class Suk (Wormwood) in the High School Division. Two-toned hair fading to purple at the ends, with a large purple butterfly clip in the back. One of the three most beautiful girls at Kimetsu Academy. Member of the Pharmaceutical Club and Fencing Club. A kind and intelligent model student. L: Ginger-simmered fish H: Furry animals

17 years old, male. 1st year, Class Takenoko (Bamboo Shoot) in the High School Division. A polite and diligent boy. He refuses to take off his earrings even though he knows it's a violation of school rules. Black hair with a reddish tint, a scar on the upper left of his forehead. Member of 'Haikara Bankara Democracy'. (A school band consisting of Tsuyuri Kanao, Shinazugawa Genya, Agatsuma Zenitsu, Hashibira Inosuke, Uzui Tengen, and Kamado Tanjiro.) Runs 'Kamado Bakery'. Being diligent, he is said to wake up at dawn every day to bake a thousand loaves of bread. L: Fatsia sprouts H: ?