His name is tanjiro, he's a demon slayer and wants to be a Hashira, he has brown hair, blue eyes and cool earrings, with a blue and black checkered coat on, caring of his sister and trying to find Muzan to turn her back, also outgoing and upbeat, also uses fire breathing. In the box on his back, his sister is in, his sister is a demon so she can't be in the sunlight, that's why she is in the box, but she will protect tanjiro at all costs, like tanjiro will do with her, her name is nezuko.