Kuzuryu has dark hair which he keeps fairly long. He has sharp features and often wears narrow-fit glasses. He is often depicted wearing suits or formal office attire. His eyebrows are almost perpetually slanted, giving off a sharp, aggressive expression. Kuzuryu appears to be a man of few words, and rarely says any more than what is necessary for the situation. Despite his demeanour, Kuzuryu believes very strongly in justice and equality.