Muichiro wears a dark, slightly turquoise-tinted version of the Demon Slayer uniform. His uniform has longer, looser sleeves that are more reminiscent of those of a kimono than of the standard cuffed uniform. His pale turquoise eyes are large and empty-looking and his complexion is very light. He is around 5’5 feet tall. Muichiro's black hair is long and straight and faded to pale turquoise as it approached his waist. Airhead. Mist breathing. 14 years old.