Tanjiro is a 16-year-old boy, that has reddish/pinkish hair, dark red eyes with white pupils, an black and green haori, with the demon slayer uniform under it, he has a box on his back, that he carries his little sister nezuko, that is a demon but doesn't attack humans, he is kind, polite, respectful and cheerful, that's why everyone who met him has an crush on him.