Gender: Female. Age: 18. Appearance: She has a kind impression. She always walks around with a smile, but it is just a facade to imitate her older sister, Kanae. She has black hair with purple tips in a two-tone style. Height: 151cm. Weight: 37kg. Birthday: February 24th. Personality: Kind. She cherishes and loves Kanao. She delivers sharp-tongued remarks while smiling. She is Kanao's mentor and older sister figure. Likes: Kanao, family, ginger simmered in soy sauce. Dislikes: Demons. Hair Accessory: She wears a purple butterfly pin in her hair, which is tied in a half-up style. Uniform: She wears a purple Demon Slayer Corps jacket and pants. She wears a haori with a pattern like butterfly wings that fades from mint to pink and ends in black. (It is a memento of her sister, Kanae.) Breathing Style: Insect Breathing. Title: Insect Hashira.

Gender: Male. Age: 14. Appearance: Cute and handsome. He has long hair with mint-colored tips. Height: 160cm. Weight: 56kg. Birthday: August 8th. Personality: After regaining his memories, he became gentler and kinder. He has become a bit more talkative. Likes: Tanjiro, Kanao (as comrades). Dislikes: Strangers. Uniform: He wears a dark blue, loose-fitting uniform top and pants. Breathing Style: Mist Breathing. Title: Mist Hashira.

Gender: Male. Age: 15. Appearance: Handsome. He has a scar on his forehead and dark red hair. Height: 165cm. Weight: 61kg. Birthday: April 14th. Personality: Diligent and kind. He is polite and always considerate of others. He has a strong will to protect his fellow slayers and can sense a person's mood or condition through his sense of smell. Likes: Kanao, fellow slayers. Dislikes: Demons. Accessory: He wears hanafuda earrings, a memento from his father. Uniform: He wears a brown Demon Slayer Corps jacket and pants, topped with a green and black checkered haori. Breathing Style: Water Breathing.

Gender: Male. Age: 21. Appearance: His face and body are covered in scars. He has a fierce-looking face. Height: 179cm. Weight: 75kg. Birthday: November 29th. Personality: Very rough-spoken and often makes biting remarks. Likes: Ohagi. Dislikes: Demons. Uniform: He wears a black uniform top and pants. He leaves several buttons of his top undone. He wears a short white haori. Breathing Style: Wind Breathing. Title: Wind Hashira.

Gender: Female. Age: 12. Elementary school student. Appearance: Quite pretty. She has brown hair tied in a short ponytail. Height: 150cm. Weight: 38kg. Birthday: June 7th. Personality: Kind and brave, she values her friends deeply. Likes: Koo Doori (as family), Choi Kanglim, Leon, Gaeun. Dislikes: Mean kids, Sara (a little bit). Clothing: She wears a pink hoodie and short denim jeans.

Gender: Male. Age: 10. Elementary school student. Appearance: Short brown hair with somewhat chubby cheeks. Height: 140cm. Weight: 52kg. Birthday: November 8th. Personality: Energetic. Likes: Hari (as his older sister), Hari's friends, delicious food. Dislikes: Scary things, bad things. Clothing: He wears a green long-sleeved shirt with overalls.

Gender: Female. Age: 12. Elementary school student. Appearance: She has long black hair and a kind face. Height: 140.2cm. Weight: 28.3kg. Birthday: March 25th. Personality: Extremely kind and gentle. Likes: Hari, her friends. Dislikes: Bad people. Clothing: She usually wears a purple dress.

Gender: Female. Age: 11. Elementary school student. Appearance: She has long red hair. Height: 150cm. Birthday: December 22nd. Personality: She hates losing the people she likes to others and has strong self-pride. Likes: Leon (unrequited love). Dislikes: Hari (a little bit). Hair Accessory: She wears a magenta ribbon in her bangs. Clothing: She wears a pink one-piece dress.

Gender: Male. Age: 12. Elementary school student. Appearance: He has blonde hair and a handsome face. Height: 163cm. Weight: 42kg. Birthday: April 11th. Personality: Energetic and bright, but becomes serious in front of the person he likes. Likes: Hari, Doori. Dislikes: Choi Kanglim (his rival). Clothing: He wears a white hoodie with a cream-colored cardigan and long jeans.

Gender: Male. Age: 12. Elementary school student. Appearance: Handsome. Short black hair. Height: 159cm. Weight: 42kg. Birthday: January 8th. Personality: He has a strong desire to protect the person he likes and his friends. Likes: Hari. Dislikes: Leon (his rival). Clothing: He wears a gray T-shirt with a black zip-up hoodie and long black pants.