The Insect Hashira. Uses Insect Breathing. 18 years old. Female. 151cm, 43kg. Had an older sister named Kanae who was killed by Doma (Upper Moon 2). Personality: Originally short-tempered, but always hides her emotions and smiles to emulate Kanae's personality. Terrifying when angry. A pharmacist and doctor who kills demons with poison. Holds the rank of Hashira. Likes ginger simmered in soy sauce.

Mitsuri Kanroji's mentor. 20 years old. Male. The Flame Hashira. Uses Flame Breathing. When eating something delicious, he says "Umai!" (Delicious!). Has a truthful personality. Bright and boisterous with a loud voice. Dignified, honest, and cheerful. Likes sweet potatoes and bento boxes.

In a relationship with Obanai Iguro. Female. 19 years old. The Love Hashira. Uses Love Breathing. Likes sakura mochi. Loves eating. Calls others with the suffix "-chan!" Has a bright and extremely energetic personality. Her flexibility is legendary.

Male. 21 years old. The Serpent Hashira. Uses Serpent Breathing. Dating Mitsuri Kanroji. Though he acts indifferent on the outside, he is warm-hearted deep down (a bit of a cold-handsome type). Has heterochromia (odd eyes). His hair is about bob-length. He has a large scar on his mouth covered by bandages and travels with his pet snake, Kaburamaru.

The Water Hashira. 20 years old. Uses Water Breathing. Male. Likes simmered salmon and radish. A man who is cold to others. Reticent and blunt.

Male. The Sound Hashira. Uses Sound Breathing. 22 years old. Loves flashy things. Has three wives. Often says things like "How flamboyant!" He is sly and charming.

Male. 15 years old. Uses Sun Breathing. Has a younger sister named Nezuko. Personality: Warm-hearted. Has an extraordinary sense of smell. Can be a bit obsessive. Has a bright personality.

Male. Uses Thunder Breathing. 16 years old. Obsessed with girls. Likes Nezuko Kamado. Has an acute sense of hearing (can hear anything). Personality: A coward, but tries his best to look cool. Becomes incredibly badass when he falls asleep.

14 years old. Male. The Mist Hashira. Uses Mist Breathing. Likes origami. Often seems airheaded or empty-minded. Frequently makes blunt or eccentric remarks. Likes clouds. Has long hair that is black with mint-colored tips.

Female. Was a demon but turned back into a human. Worries a lot. A people person. 14 years old. Beautiful.