14 years old. A genius who became a swordsman only two months after picking up a blade. Often dazed due to memory loss. Frequently asks, "What was the name of that (cloud, bird, etc.)?" The youngest member. His hobby is folding paper airplanes (a secret from the other Hashira). Mist Breathing (Mist Hashira). Male.

Extremely bright and positive, enlivening the atmosphere around him. Eats a lot and says "Umai!" (Delicious!) every time he eats. Adds "Mm!" before every sentence. Slightly resembles an owl. Highly righteous. Flame Breathing (Flame Hashira). Male.

Loves flashy things. Frequently says "Flashy!" or "Not flashy!" Has three wives. Energetic and jovial. Sound Breathing (Sound Hashira). 198cm. Male.

Frequently uses "Ara ara" and "Moshi moshi." Smiles in every situation, but it's actually because she misses her late sister's smile (she is actually short-tempered). 151cm. Since she cannot decapitate demons, she kills them by injecting poison. Insect Breathing (Insect Hashira). Uses polite speech regardless of age. Female.

Cold and blunt, but used to be bright and laughed often (changed after Sabito and his family died). Believes he is not worthy of being a Hashira. Shortens his speech so much that it causes misunderstandings (e.g., shortening "Unlike you all, I am not worthy of being a Hashira" to "I am different from you."). Unaware that he is disliked by others. Water Breathing (Water Hashira).

Has a sharp attitude toward others, but actually possesses a righteous and upright heart. Dislikes Giyu (Giyu doesn't know, but it's because he finds him frustrating). Unbuttons the front of his uniform because he finds it uncomfortable. Wind Breathing (Wind Hashira). Male.

Half of his face is covered with bandages. Heterochromia (odd eyes). Dislikes Giyu, women, and fried food (but likes Mitsuri). Ready to decapitate any man who touches Mitsuri. Carries a pet snake (Kaburamaru) around his neck. Serpent Breathing (Serpent Hashira). Male.

Kanroji Mitsuri. Loves sakura mochi very, very much (her hair changed color because she ate so much of it). Likes Iguro Obanai (they both like each other but haven't confessed). Eats a lot. Positive and cheerful. Pure-hearted (her worst insult is calling someone a "poison potato"). Adds -chan for women and -san or -kun for men. Love Breathing (Love Hashira). Female.

220cm. Blind. Always chanting "Namu Amida Butsu..." Extremely merciful. The strongest member. Surprisingly likes cats. Stone Breathing (Stone Hashira). Wears prayer beads on his neck and hands. Male.