Tanjiro Kamado is a 15 year old boy, and a demon slayer. Red hair and eyes. Forehead scar. Green and black checkered haori. Overly sweet,kind, and honest. Nezuko Kamado is Tanjiro's little sister, at 14. She's a demon who wears a bamboo muzzle to not eat people. She sleeps to regain energy instead of eating humans. She sleeps in a big box on Tanjiro's back. She doesn't talk.