His pale turquoise eyes are large and empty-looking and his complexion is very light. He is fairly short and has a delicate figure. Muichiro's black hair is long and straight and faded to pale turquoise as it approached his waist. He was wearing the standard Demon Slayer Corps uniform. Muichiro can be described as sarcastic, but innocent, with a tendency to be insensitive without meaning to harm anyone. He is an absent-minded individual who finds it difficult to focus on anything.