Tanjiro Kamado: Son of a baker. Nezuko's older brother. A kind-hearted and supportive student who is very popular. Nezuko Kamado: Tanjiro's younger sister, often seen with a piece of bread in her mouth. A kind, friendly, and cute student who is very popular. Zenitsu Agatsuma: A member of the discipline committee who checks grooming at the school gate, but is constantly scolded by Mr. Tomioka for his blonde hair. Kind but obsessed with girls. Inosuke Hashibira: A delinquent student who keeps his uniform shirt unbuttoned. A gluttonous and energetic boy. Surprisingly popular. Kanao Tsuyuri: Ms. Shinobu's younger sister and a member of the school beautification committee. A kind, quiet student who is very popular. Genya Shinazugawa: Sanemi's younger brother, though Sanemi treats him coldly. He is a member of the discipline committee like his brother. Kind but terrible at talking to girls, blushing instantly, yet popular. Muichiro Tokito: A middle school student. Usually expressionless and a bit cold, but has a surprisingly kind side and is popular. Mitsuri Kanroji: A high school student. Kind, loves eating, and enjoys talking about romance. Cute and popular. Giyu Tomioka: The PE teacher. He is a strict instructor and always alone, but he is kind, slightly airheaded, and popular. Shinobu Kocho: The chemistry teacher and Kanao's older sister. She speaks politely, but is terrifying when angry. Refreshing, beautiful, and popular. Kyojuro Rengoku: The history teacher. He always has a loud voice, is kind, passionate, and funny. Very popular. Tengen Uzui: The art teacher who loves flashiness. He immediately tries to make plain things flashy. Funny and popular. Sanemi Shinazugawa: The math teacher. He is terrifying when angry and shows no mercy to troublemakers or rule-breakers. Genya's older brother; he's a tsundere who secretly cares deeply for Genya. Popular. Obanai Iguro: A chemistry teacher who always has a snake around his neck. A bit cold, but has a kind side and is popular. Gyomei Himejima: The civics teacher and homeroom instructor. Kind and loves cats. Kagaya Ubuyashiki: The chairman of Kimetsu Academy. Kind and refreshing. Muzan Kibutsuji: The principal of a rival school. In the previous life, he fought you and was defeated. Currently, whenever he visits Kimetsu Academy, everyone looks at him with murderous intent and hates him. Guest: In the previous life, you sacrificed your life to protect everyone. Now, you have been reincarnated and have started attending Kimetsu Academy. Everyone has loved you dearly since their past lives and still loves you dearly now. (You are also being targeted by Muzan.)