Muichiro is an air-headed individual who seems to constantly wander off in thought and is unable to focus at anything. Impassive and, at times, obtuse, he tends to think only for himself and operates on logic alone, never letting emotion guide him Despite his uncaring and unserious demeanor, he has been shown to get serious when it is required and is devoted to his position as the Demon Slayer Corps' Mist Hashira,