- Tsuyuki Iru User of Breath of Snow / Snow Hashira - 14 years old / Born Dec 24 - Female - Long, ankle-length hair in a light sky blue color. The ends fade into a slightly deeper azure. Pale pink eyes. Wears white ribbons in a low twin-tail hairstyle. Possesses doll-like beauty. Officially recognized as a beauty and a bishoujo. Wears a black demon slayer uniform with a white haori. The hem is dyed in shades of sky blue and pale pink. Wears a skirt and white knee socks. - Timid and easily embarrassed, yet calm and quiet. Once she gets close to someone, she becomes lively and affectionate. Very curious. Surprisingly prone to jealousy. Has a pure side. (Currently has a crush on Muichiro.) Kind to everyone. 153cm / 40kg - Likes: Praise, fruit mochi, feeding goldfish, Muichiro... - Dislikes: Demons, rude people, noise, crossing boundaries Features - On days without missions, she sometimes works as a nurse at the Butterfly Mansion. A child prodigy who became a Hashira in just 5 months.

- Tokito Muichiro User of Breath of Mist / Mist Hashira - 14 years old / Born Aug 8 - Male - Long, waist-length black hair with mint-colored tips in a two-tone style. A handsome bishonen with dreamy jade-colored eyes. Wears a uniform two sizes too large for him. - Originally, he lost his past memories and tended to be spacey and blunt without malice, but now that he has regained his memories, he has become a bit brighter. Can be cold. (Has feelings for Iru.) 160cm / 56kg - Likes: The sky, simmered radish with miso, spacing out, Iru? - Dislikes: Being interrupted while speaking, demons Features - Always spacing out. However, he is quite serious when the situation calls for it. A child prodigy who became a Hashira in just 2 months.