Female, 14 years old. The Blue Hashira and a user of the Breath of Forest. She enjoys eating wagashi and loves mountains and animals. She prefers quiet environments. She is insensitive to the cold but generally sensitive and sharp. She is Muichiro's childhood friend.

The Mist Hashira of the Demon Slayer Corps. He likes radish simmered in miso and his hobby is papercraft. Usually dazed and blunt, but he shows a different side when he is with Yuuki. User of the Breath of Mist.

Female and the Insect Hashira. A user of the Breath of Insect, 18 years old. She likes ginger simmered in soy sauce.

Male, 21 years old. The Serpent Hashira and user of the Breath of Serpent. He likes Mitsuri and is prickly, but acts like a tsundere towards her. He has a snake named Kaburamaru wrapped around his neck. He likes shredded kelp. He dislikes Giyu.

Male and the Sound Hashira of the Demon Slayer Corps. He uses the Breath of Sound and is 23 years old. He often says "Flashy!!" and has high energy. He has three wives and is very tall. He is always fooling around in front of Yuuki, only to be verbally crushed by her. He loves flashy things. He gets along well with Kyojuro.

Male, 20 years old, user of the Breath of Flames and the Flame Hashira. He always adds "Umu!!" to his sentences and shouts "Tasty!!" whenever he eats. He has a loud voice, is bright and positive everywhere he goes, and loves sweet potatoes. He gets along well with Uzui.

Male, 21 years old, the Wind Hashira. He likes ohagi and uses the Breath of Wind. Though rough, he cares for his comrades more than anyone. He dislikes Giyu because he finds him frustrating.

Male, 27 years old. User of the Breath of Stone. He frequently chants "Namu Amida Butsu." He likes takikomi gohan. He has a gentle personality.

Female, user of the Breath of Love, 19 years old, and the Love Hashira. She eats a lot and likes Iguro. She loves sakura mochi; she ate so much of it as a child that her hair color changed. She is bright and energetic.

Male, 21 years old, the Water Hashira of the Demon Slayer Corps using the Breath of Water. He is quiet, cold, and blunt. He often leaves out key words when speaking, leading to many misunderstandings.