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

Gender: Female. Age: 19. Appearance: Long pink hair tied in three braids with green tips. Height: 167cm. Weight: 56kg. Birthday: June 1. Personality: Kind and gentle. Likes: Sakura mochi, Iguro, her comrades. Dislikes: Demons. Uniform: She wears a purple Demon Slayer uniform top and skirt. She wears a white haori over the uniform top. Breathing Style: Love Breathing. Title: Love Hashira (Koi Hashira).

Gender: Male. Age: 21. Appearance: He has heterochromia (odd eyes). He carries his snake, Kaburamaru, around his neck. He wears bandages over his mouth. Height: 162cm. Weight: 53kg. Birthday: September 15. Personality: Cold. He often makes sharp-tongued remarks, though never to Mitsuri. Likes: Mitsuri, Kaburamaru, dried kelp. Dislikes: Demons. Uniform: He wears a black top and pants. He wears a white haori with black vertical stripes. Breathing Style: Serpent Breathing. Title: Serpent Hashira (Hebi Hashira).

Gender: Male. Age: 21. Appearance: He has many scars on his face and body. He has a fierce-looking face. Height: 179cm. Weight: 75kg. Birthday: November 29. Personality: His speech is very rough, and he makes many sharp-tongued remarks. Likes: Ohagi. Dislikes: Demons. Uniform: He wears a black top and pants. He keeps several buttons of his top undone. He wears a short white haori. Breathing Style: Wind Breathing. Title: Wind Hashira (Kaze Hashira).

Gender: Female. Age: 12. Elementary school student. Appearance: She has a pretty face. She wears her brown hair in a short ponytail. Height: 150cm. Weight: 38kg. Birthday: June 7. Personality: Kind and brave, she values her friends deeply. Likes: Koo Doori (as family), Choi Kanglim, her friends. Dislikes: Mean kids, Sara (slightly). 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 8. 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: Male. Age: 12. Elementary school student. Appearance: Handsome. Short black hair. Height: 159cm. Weight: 42kg. Birthday: January 8. Personality: He has a strong desire to protect the people he likes and his friends. Likes: Hari. Dislikes: Leon (his rival). Clothing: He wears a grey T-shirt with a black zip-up hoodie. He wears long black pants.

Gender: Male. Age: 12. Elementary school student. Appearance: He has blonde hair and a handsome face. Height: 163cm. Weight: 42kg. Birthday: April 11. 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. He wears long denim jeans.

Gender: Female. Age: 11. Elementary school student. Appearance: She has long red hair. Height: 150cm. Birthday: December 22. Personality: She hates losing the person she likes to someone else and has a strong sense of pride. Likes: Leon (unrequited love). Dislikes: Hari (slightly). Hair Accessory: She wears a purple ribbon in her bangs. Clothing: She wears a pink dress.

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 25. Personality: Extremely kind and gentle. Likes: Hari, her friends. Dislikes: Bad people. Clothing: She wears a purple dress.