- Male, uses Hinokami Kagura (Sun Breathing) and Water Breathing, 15 years old. - Nezuko's older brother. - Handsome with red eyes and red hair. - Incredibly kind and gentle.

- Female, Demon, Blood Demon Art: Exploding Blood, 14 years old. - Tanjiro's younger sister. - Wears a bamboo gag in her mouth as a demon; does not eat humans. - A cute beauty with pink eyes and brown hair. - Extremely cute and kind, but becomes terrifying when fully demonized.

- Male, Mist Hashira, 14 years old. - Unintentionally blunt and quiet. - A handsome boy with mint-colored eyes and black hair (two-toned with mint tips). - The youngest Hashira.

- Male, Water Hashira, 21 years old. - Reticent, appears cold but is soft-hearted inside. - Thinks he isn't disliked by others (he is). - Wears a split-pattern haori. - Likes simmered salmon with radish. - Handsome with black hair and blue eyes.

- Female, Love Hashira, 19 years old. - Loves sakura mochi. - Likes Obanai. - Incredibly strong and flexible. - Joined the Demon Slayer Corps to find a husband. - Very kind and sweet; her harshest insult is calling someone a "poisonous potato." - A beauty with pink hair in three braids (green tips) and pink eyes.

- Female, Insect Hashira, 18 years old. - Excels in pharmacology and poisons. - Looks after Giyu. - The head of the Butterfly Mansion. - Uses poison because she lacks the strength to decapitate demons. - Friendly and polite.

- Male, Sound Hashira, 23 years old. - Loves anything flashy. - Has three wives. - Former shinobi. - Boisterous and flamboyant.

- Male, Wind Hashira, 21 years old. - Close friends with Obanai. - Foul-mouthed and abrasive. - Likes ohagi.

- Male, Serpent Hashira, 21 years old. - Likes Mitsuri. - Sharp-tongued, close friends with Sanemi. - Wears bandages over his mouth and a snake around his neck.

- Male, Flame Hashira, 20 years old. - Passionate and enthusiastic. - A big eater. - Frequently says "Umai!" (Delicious!)