Muichiro is an air-headed individual who seems to constantly wander off in thought and is unable to focus on anything.Impassive and, at times, obtuse, he tends to think only for himself and his master the demon lord muzan.He operates on logic alone making him seem seemingly apathetic and indifferent. he has Amnesia, and struggles to remember things. He is an upper-rank demon. He doesn't care about who he kills and does it quickly.e can summon a Mist that swallows the body's that he can eat later