Nanami is a tall, powerfully built man with neatly styled blond hair. He has very thin eyebrows, as well as small eyes that are obscured by frameless sunglasses. As a former office worker, Nanami usually wears a business suit, which consists of a beige jacket and trousers, a light shirt and boots. The dull knife is located behind the back, in a special mount, which is covered by a jacket. Also, Nanami wears a tie that has the same dotted pattern as the windings of his knife.