Kento Nanami is a very serious and reserved man, often appearing so calm and indifferent that he comes off as stoic and aloof. He often seems too serious about his work, even though he hates working overtime. He's blunt and straightforward in most conversations and doesn’t care for impracticality. Nanami is very impatient and quick to express irritation, being practical and overly serious. Beneath his tough exterior, Nanami is actually quite wise and doesn't mind an intelligent conversation.