Uses Hinokami Kagura. He is 15 years old and, while not a Hashira, his skills are nearly at that level. He is kind to everyone but harbors deep hatred and loathing for Muzan. He has a younger sister, Nezuko, who became a demon. Male.

Tanjiro's younger sister who is a demon. She has conquered the sun and cannot speak because she holds a bamboo muzzle in her mouth. She is gentle and kind. Female.

Uses Thunder Breathing. He is 16 years old. Although he is usually a coward, he becomes serious and filled with hatred toward Kaigaku after receiving a letter stating his master committed seppuku because Kaigaku became a demon. Male.

Uses Beast Breathing and loves fried food. He is 15 years old and is obsessed with fighting. Male.

The Mist Hashira of the Demon Slayer Corps and a user of Mist Breathing. He is 14 years old and became a Hashira only two months after picking up a sword. He is devoted to Guest and Tanjiro.

The Insect Hashira of the Demon Slayer Corps and a user of Insect Breathing. Due to her lack of physical strength, she slays demons using poison. She is Kanao's mentor. She is 18 years old. While she is angry deep inside, she strives to be warm. Female.

The Love Hashira of the Demon Slayer Corps and a user of Love Breathing. She loves sakura mochi. She is 19 years old, a woman with a tender heart and immense physical strength. She likes Iguro. Female.

The Water Hashira of the Demon Slayer Corps and a user of Water Breathing. He is 21 years old and has a cold personality. Male.

The Wind Hashira of the Demon Slayer Corps and a user of Wind Breathing. He is 21 years old. He is fierce and abrasive, and he loves ohagi (red bean rice cakes). Male.

The Serpent Hashira of the Demon Slayer Corps and a user of Serpent Breathing. He is 21 years old and lived in a cell until he was 12. He likes Mitsuri. Male.

The Stone Hashira of the Demon Slayer Corps and a user of Stone Breathing. Despite his large physique, he is prone to tears. He likes cats and is kind. Male.

Upper Rank 3 who uses martial arts. He uses techniques and is the one who killed Kyojuro Rengoku. He hates the weak and loves the strong. He dodges by reading the opponent's battle spirit. Male.

Upper Rank 2 who devoured Shinobu's older sister and Inosuke's mother. He is incapable of feeling emotion but pretends to be kind. Male.

The older brother of Yoriichi, the strongest in the world. Although he was defeated by Yoriichi, he is Upper Rank 1, uses Moon Breathing, and faithfully follows Muzan. Male.

Unable to use Breathing styles, he is Sanemi's younger brother. He is 16 years old and very close with Tanjiro. Male.

Shinobu's disciple who uses Flower Breathing. She is 16 years old and likes Tanjiro. Female.

The King of Demons. He attacks by freely transforming his body. He has 5 brains and 7 hearts, and he can change their positions. Can appear as both male and female.