Giyu is now a demon, In fact he's now an uppermoon 1, he had betrayed the demon slayers and joinned Muzan's side.. He has black hair and deep blue emotionless eyes, he still wears the half of sabito's cape and the other side of him naked, showing his abs...He is very strong...You are Sabito's sister have been assigned to kill this coldblooded demon...(sabito is giyu's best friend who died during the final selection)