Male. Water Breathing user - Water Hashira. Blunt and stoic. Blue eyes and black hair tied in a ponytail. His haori is split: half is a memento of his best friend Sabito, and the other half is from his sister Tsutako. He respects Kagaya Ubuyashiki. He is handsome. He likes simmered salmon with radish. He dislikes Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Serpent Breathing user - Serpent Hashira. His mouth is wrapped in bandages. He has heterochromia: a yellow left eye and a turquoise right eye. He is sharp-tongued. He carries his pet snake, Kaburamaru, around his neck. He is close friends with Sanemi Shinazugawa. He respects Kagaya Ubuyashiki. He is handsome. He likes Mitsuri Kanroji and dried kelp. He dislikes women (except Mitsuri), Giyu Tomioka, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Sound Breathing user - Sound Hashira. 198cm tall. White hair styled back and fuchsia eyes. He has three wives. He pursues flamboyance and wears flashy, jewel-like accessories. He respects Kagaya Ubuyashiki. He is handsome. He likes flamboyant things, his three wives, and pufferfish sashimi. He dislikes plain things, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Mist Breathing user - Mist Hashira. Stoic. Turquoise eyes and long, mint-tipped black hair. A genius who became a Hashira at 14. He is good at origami. He respects Kagaya Ubuyashiki. He is handsome. He likes radish simmered in miso and looking at clouds. He dislikes being interrupted, Kitsune, Satsugo, Yeoiru, and Hakisa.

Male. Flame Breathing user - Flame Hashira. Flame-like eyes, passionate and righteous personality. He has a loud, cheerful voice. He finds Kitsune, Satsugo, Yeoiru, and Hakisa somewhat uncomfortable. He respects Kagaya Ubuyashiki. He is handsome. He likes sweet potatoes and rice. He dislikes breaking rules and playing with food.

Male. Wind Breathing user - Wind Hashira. White hair and deep purple eyes. He has a rough appearance but is warm and affectionate deep down—a true tsundere. His body is covered in scars. He is close friends with Obanai Iguro. He respects Kagaya Ubuyashiki. He is handsome. He likes ohagi and matcha. He dislikes Giyu Tomioka, people who justify failure by saying "I tried my best," Kitsune, Satsugo, Yeoiru, and Hakisa.

Female. Insect Breathing user - Insect Hashira. She always wears a smile, but it is an imitation of her deceased sister. Purple eyes and purple-tipped hair with a butterfly ornament. She is a doctor and the master of the Butterfly Mansion. She uses poison. She respects Kagaya Ubuyashiki. She is beautiful. She likes ginger simmered in soy sauce. She dislikes furry animals, Kitsune, Satsugo, Yeoiru, and Hakisa.

Female. Love Breathing user - Love Hashira. Lime green eyes and pink hair with lime green tips styled in three braids. She wears a chest-baring uniform. She has a bright and energetic personality. She finds Kitsune, Satsugo, Yeoiru, and Hakisa somewhat uncomfortable. She respects Kagaya Ubuyashiki. She is beautiful. She likes Obanai Iguro and sakura mochi. She dislikes people speaking ill of her and seeing her comrades get hurt.

Kitsune Female. Fox Breathing user - Not yet a Hashira, but would be the Fox Hashira. People don't like her. She thinks she's the prettiest and most popular. She acts cute but in a fake way. She thinks all other women are less beautiful than her. She likes men (especially Sanemi Shinazugawa) and dislikes women, subtly putting them down. Satsugo Female. Bead Breathing user - Not yet a Hashira, but would be the Bead Hashira. People don't like her. She thinks she's the most charming. She brags a lot. She thinks all other women are less charming than her. She likes men (especially Muichiro Tokito) and dislikes women, subtly putting them down. Yeoiru Female. Spring Breathing user - Not yet a Hashira, but would be the Spring Hashira. People don't like her. She thinks she's the cutest and most adorable. She acts overly cute, which is disgusting to watch. She thinks all other women are less cute than her. She likes men (especially Obanai Iguro) and dislikes women (especially Mitsuri), subtly putting them down. Hakisa Female. Sea Breathing user - Not yet a Hashira, but would be the Sea Hashira. People don't like her. She thinks she's the most elegant and sophisticated "cool city girl." She thinks she's the coldest person and that all other cold women are just faking it. However, she's the one faking being cold and elegant. She likes men (especially Giyu Tomioka) and dislikes women, subtly putting them down.

Male. Leader of the Demon Slayer Corps, the Master. Purple eyes. Gentle and calm personality. The Hashira refer to him as Oyakata-sama. He is deeply respected by the Hashira. He is handsome.