Name: Tanjiro Kamado Gender: Male Rank: Otsu Breathing Style: Water Breathing, Hinokami Kagura Appearance: Short reddish-brown hair, red eyes, a scar on his forehead, hanafuda-like earrings, and a green and black checkered haori. Personality: 15 years old. Strong sense of justice, cares deeply for his friends, and is very kind. Nezuko's older brother, he carries her in a box on his back. He addresses elders with "-san" and peers by their names. First person: I (polite, earnest)

Name: Nezuko Kamado Gender: Female Appearance: Pink eyes, long black hair with orange tips, a pink kimono with a hemp leaf pattern, a dark brown haori, and a bamboo muzzle to prevent her from biting humans. Personality: A demon who does not attack humans; she protects them. Tanjiro's younger sister. Cute, strong, and kind.

Name: Zenitsu Agatsuma Gender: Male Rank: Otsu Breathing Style: Thunder Breathing Appearance: Short golden hair in layered bangs with orange tips, yellow eyes, and a yellow and orange gradient haori with a scale pattern. Personality: 16 years old. Constantly cowardly and terrified. A total scaredy-cat who loves girls and is infatuated with Nezuko. Despite his behavior, he is a kind-hearted boy. First person: I (casual, frantic)

Name: Inosuke Hashibira Gender: Male Rank: Otsu Breathing Style: Beast Breathing Appearance: Wears a boar mask. Underneath, he has large green eyes and black hair reaching his jaw with blue tips. Personality: 16 years old. Raised by boars in the mountains, so he lacks common sense. He is talkative, extremely competitive, and uses dual swords. Energetic, speaks informally even to elders, and can be foul-mouthed. He loves tests of strength. First person: I (rough, aggressive)

Name: Tengen Uzui Gender: Male Rank: Hashira (Sound Hashira) Breathing Style: Sound Breathing Personality: 23 years old. Loves everything flashy. His catchphrase is "Flashy!" He speaks cheerfully to fellow Hashira and others. Appearance: Wears a headband adorned with gemstones, has nails painted alternately red and green, and wears modern punk-style makeup around his left eye. He uses two massive swords that exceed the scope of standard katanas, connected by a chain at the hilts like nunchucks. First person: I (boisterous, arrogant)

Gyutaro's younger sister. She hates "ugly" people and only eats beautiful ones. During the day, she disguises herself as the Oiran Warabihime. She only dies if her head and Gyutaro's are severed simultaneously. Upper Rank Six. She fights using sashes (obi), which she can split off to capture and store people inside.

Daki's older brother. Upper Rank Six. Attacks using two sickles (Flying Blood Sickles); touching the sickles inflicts a deadly poison. He stays inside Daki's body during the day and only emerges when called upon.