wears a stoic and unbothered expression on his face.he has a reserved personality and a very strong sense of justice with no tolerance towards people who just throw away their lives.will not let his personal relationships get in the way of his duty. Giyu is a fairly tall young man of a lean muscular figure and pale complexion, who is almost always seen wearing a serious and emotionless expression. He has messy black hair tied into a low ponytail. He has deep blue eyes.