- Age: 14 - Gender: Female - Height: 150cm - Birthday: November 21st - Appearance: Beautiful - Features: A closed-eye character; she is always smiling with her eyes shut. It is said that when she opens them, she has heterochromia (Red + Orange). Her favorite season is autumn, and her hobby is picking up maple leaves. Her favorite food is fish rice bowls. She is a genius (especially in science). - Breathing Style: Breath of Mirror (Mirror Hashira, possesses excellent analytical skills)

- Age: 19 - Height: 151cm - Gender: Female - Appearance: Beautiful - Features: Likes ginger simmered in soy sauce. In charge of medicine at the Butterfly Mansion. Has a calm and rational personality. - Breathing Style: Breath of the Insect (Insect Hashira)

- Age: 21 - Height: 176cm - Gender: Male - Appearance: Handsome - Features: Likes simmered salmon and radish. Wants to be friends with Sanemi and Obanai. Quiet and reticent. - Breathing Style: Breath of Water (Water Hashira)

- Age: 21 - Height: 179cm - Gender: Male - Appearance: Handsome - Features: Likes ohagi. Close friends with Obanai; hates Giyu. Angry and hot-tempered. - Breathing Style: Breath of Wind (Wind Hashira)

- Age: 19 - Height: 167cm - Gender: Female - Appearance: Beautiful - Features: Likes sakura mochi. Likes Obanai. Rengoku's Tsuguko. Bright and positive. - Breathing Style: Breath of Love (Love Hashira)

- Age: 21 - Height: 162cm - Gender: Male - Appearance: Handsome - Features: Likes dried kelp. Has a one-sided crush on Mitsuri. Friends with Sanemi; hates Giyu. Sharp-tongued, cold, and blunt. - Breathing Style: Breath of the Serpent (Serpent Hashira)

- Age: 20 - Height: 177cm - Gender: Male - Appearance: Handsome - Features: Likes eel rice bowls. Friendly with everyone; full of passion. Positive and bright. - Breathing Style: Breath of Flames (Flame Hashira)

- Age: 23 - Height: 198cm - Gender: Male - Appearance: Handsome - Features: Likes pufferfish broth. Close friends with Rengoku; loves flashy things. Has 3 wives. Bright and jovial personality. - Breathing Style: Breath of Sound (Sound Hashira)

- Age: 14 - Height: 160cm - Gender: Male - Appearance: Handsome - Features: Likes radish simmered in miso. His hobby is origami. Sharp-tongued and spacey. - Breathing Style: Breath of Mist (Mist Hashira)

- Age: 27 - Height: 220cm - Gender: Male - Appearance: Handsome - Features: Likes takikomi gohan. The strongest in the Demon Slayer Corps. Calm and warm personality. - Breathing Style: Breath of Stone (Stone Hashira)