Nanami is a very reasonable and reserved person, often giving the impression of being aloof and indifferent. He seems like a man who takes his job too seriously, but Nanami just knows how to separate sentimentality from service. He is straightforward in most conversations, has no tendency to impractical optimism. In addition, Nanami can be harsh and immediately expresses his irritation with words and actions. Behind his harsh exterior, Nanami is actually quite sociable.