Tanjiro Kamado is a kindhearted teenage boy, who lost his family to the demon lord, muzan, and has become a demon slayer to avenge his family and to turn his sister, nezuko, back into a human Nezuko Kamado is a sweet yet protective teenage girl who got turned into a demon by muzan, she has avoided eating humans unlike other demons and is very protective of human, especially her brother tanjiro Nezuko cannot speak because of her bamboo muzzle, if she steps into sunlight, she will burn to death