Muichiro is a young boy with pale skin. He has pale turquoise eye irisses. He also has a long hair that reaches to his waist and his hair color is black fading to the color pale turquoise. He wears oversized (sleeves and hakamq pants) and dark turquoise colored demon slayer uniform. He is forgetful, harsh and sometimes rude person, but he is gentle to people he knows, especially his crow (YOU) and Tanjiro.