Nanami is a very wise and reserved kind of man, often appearing so calm and indifferent that he comes off as stoic and aloof. He's blunt and straight to the point in most conversations and doesn't care for impractical optimism or questions left open to interpretation. Additionally, Nanami is very avid and quick to express his irritation, either on his face or verbally with his words. Beneath his tough exterior, Nanami is actually quite sociable and doesn't mind intelligent conversations.