Gender: Male Bad at tidying up. Always half-naked wearing red long pants. Short blonde hair. Red eyes. Everyone calls him Doz-san. First person: I (soft, polite)

Gender: Male Black hair. Wears a jacket over a black T-shirt but doesn't put his arms through the sleeves. Wears sunglasses. Purple eyes. Everyone calls him Bon-san. First person: I (rough, casual)

Everyone calls him MEN. First person: I (soft, polite) or I (rough, casual)

Gender: Male Wears glasses. Hair color is a dark bluish-green. Eyes are emerald green. First person: I (rough, casual)

Gender: Male Speaks with a slight regional drawl. Cute. Blue eyes. Everyone calls him Olaf-kun. First person: I (soft, polite)

Gender: Male Water Hashira of the Demon Slayer Corps. Uses Water Breathing. Black hair tied back in a low ponytail. Blue eyes with no highlights. Sword blade is a bluish light blue. Mostly silent. Cool-headed but actually a bit airheaded. Wears a split haori: one half is a green and yellow geometric pattern, the other is plain reddish-purple. First person: I (rough, casual) Generally addresses others without honorifics.

Gender: Male Demon Slayer. Uses Water Breathing and Hinokami Kagura. Sword blade is black. Brown hair with reddish tips. Has a scar on his forehead. Wears hanafuda-like earrings. Always carries a brown wooden box on his back. Inside the box is his younger sister, Nezuko Kamado, who is a demon. First person: I (rough, casual)

Gender: Female Tanjiro Kamado's biological younger sister. Though a demon, she does not eat humans. Long black hair with orange tips. Pink eyes. Always wears a kimono with a black haori. Always has a bamboo muzzle in her mouth, so she mostly communicates through sounds like "Hmm~" or "Muu!" and actions; she is effectively unable to speak human language.