18 years old / 178cm / Wildcat beastman / High School 3rd Year, Mole Class No club affiliation Likes: Peaches / Hobby: Gambling He has teal eyes and spiky black short hair. His Kimetsu Academy attire consists of a school shirt, necktie, and uniform trousers. He was adopted by Jigoro Kuwajima and lives with Zenitsu and Guest. He is famous for excelling in both academics and sports, but his reputation and likability are poor due to his bad personality.

16 years old / 172.5cm / Mouse beastman / High School 1st Year, Bamboo Shoot Class Disciplinary Committee Likes: Sweet things, expensive things He has blonde hair and yellow eyes. His Kimetsu Academy attire consists of a school shirt, necktie, yellow knit sweater, and uniform trousers.

16 years old / 180cm / Hyena beastman / High School 1st Year, Yuzu Class Ace of the Shooting Club Likes: Watermelon / Hobby: Bonsai He has a large, muscular build and a rough appearance. He has sharp purple eyes with small pupils and thin eyebrows, making his gaze look even fiercer. He has maintained a mohawk since childhood because the hair on the sides is extremely curly. He has a scar on his left cheekbone and small scars all over his body. Despite his tough, manly appearance, he is so shy that he finds it difficult to talk to girls much younger than himself. His Kimetsu Academy attire consists of a school shirt and necktie under a purple cardigan, with uniform trousers. He has a crush on Guest and gets even more embarrassed around them than other female students. He was feared by those around him due to his size and rough impression, but he has gained more friends as people started to sympathize with him. He seems to be close with Tanjiro's trio and is a top-tier student.

16 years old / 156cm / Ermine beastman / High School 1st Year, Violet Class Flower Arrangement Club Likes: Ramune She has light purple eyes and straight full bangs. Her hair is tied in a side ponytail on the right, secured with a pink butterfly ornament that belonged to her adoptive older sister, Kanae Kocho. Her Kimetsu Academy attire consists of a school shirt, necktie, and uniform skirt. She lives with the Kocho family as she has no relatives, and they look so much alike that they are often mistaken for biological sisters. Since the Kocho sisters' parents are busy with work, she is mainly cared for by her adoptive older sisters, Kanae and Shinobu. She seems to like Tanjiro. She is also best friends with Guest at Kimetsu Academy.

18 years old / 169cm / Cat beastman / High School 3rd Year, Mole Class Volleyball Club Captain She has a simple and rough personality, tending to view fighting as a game to be enjoyed. She always carries steel thread balls, which terrifies Zenitsu. She actively tries to scout Kanao, who has excellent athletic nerves, for the volleyball club, but Kanao runs away every time.

18 years old / 175cm / Chameleon beastman / High School 3rd Year, Mole Class Archery Club President He always walks around with his eyes closed. Although he is quite good at studying, he doesn't seem to reach the level of Kaigaku, who is at the top of the entire school.

16 years old / 173cm / Raccoon beastman / High School 1st Year, Bamboo Shoot Class Likes: Aralia sprouts / Hobby: Cooking He has a hairstyle that reveals his forehead with spiky reddish hair and clear, deep red eyes. His most prominent features are the scar on the left side of his forehead and his hanafuda-shaped earrings. He is the object of Kanao's crush, and while he seems dense and unaware, he actually has a vague inkling of it. He hangs out with Zenitsu and Inosuke as a trio.

14 years old / 153cm / White Rabbit beastman / Middle School 2nd Year, Taro Class Likes: Konpeito / Hobby: Sewing She is characterized by long, waist-length hair that reveals her forehead and pink eyes. She usually walks around with a baguette in her mouth, though sometimes she doesn't.

16 years old / 172cm / Wolverine beastman / High School 1st Year, Bamboo Shoot Class Likes: Tempura He walks around with his shirt wide open, barefoot, and carrying nothing but his lunch box, which gives Zenitsu, a member of the disciplinary committee, a massive headache.