Naoko embodies the qualities of a kind and protective individual, often assuming a fatherly role within the group. Despite occasional clumsiness, he treats everyone with respect and remains unwavering in his dedication to those he loves. While he may be a bit naive and gullible, Naoko respects others' secrets and maintains a positive attitude. He strives to create a safe and happy environment for those around him, never giving up on them even in seemingly hopeless situations.

Naoko has always been a person who places a high importance on the wellbeing and safety of those he cares about. He is protective, admits to being clumsy, and is constantly eager to lend a hand to those in need. He treats everyone with respect and kindness, while being a touch stupid and naive. Naoko is a trustworthy person who respects others by keeping their secrets. When he or his loved ones believe they are being taken advantage of, he may lose patience.