I am Japanese. I feel that this is a very masculine name. However, I think it can also be used for boyish women.Also, one of the most prestigious literary awards in Japan is the Naoki Prize. Therefore, this name gives the impression of a boy who loves literature.
Naoki Irie, is a high school senior and later on college student who is the main character of Mischievous Kiss. A very popular anime that originated in Japan but now have different versions in Korea and China. He is the brainy boy who ends up loving a not so smart but sweet character named, Kotoko.
Naoki Urasawa is a Japanese manga artist and occasional musician. He has been called one of the artists that changed the history of manga, and has received the Shogakukan Manga Award three times, the Tezuka Osamu Cultural Prize twice, and the Kodansha Manga Award once.
Naoki Yoshida also known by the nickname Yoshi-P, is a Japanese video game producer, director and designer working for Square Enix. He is known primarily for his work on massively multiplayer online role-playing games (MMORPGs), as chief planner on Dragon Quest X, and as director and producer of Final Fantasy XIV: A Realm Reborn. He is credited with rescuing the original Final Fantasy XIV project from its disastrous launch. Yoshida is an Executive Officer at Square Enix, the Head of Square Enix's Business Division 5 and part of the Final Fantasy Committee that is tasked with keeping the franchise's releases and content consistent.
Naoki Hattori is a motoring journalist and racing driver from Japan. After he won the Japanese Formula 3 championship in 1990, he failed to pre-qualify for two Formula One grands prix with Coloni in 1991 as a late-season replacement for Pedro Chaves. He raced in Indy Lights in the mid-90s, and in CART briefly in 1999 for Walker Racing with a best finish of 14th. In 1997, he tested a Formula One prototype, the F105, for Dome F1 at Suzuka and other Japanese race tracks, but Dome F1 never entered a Formula One Grand Prix.
Naoki is a character in Cardfight Vanguard season 3 and beyond. He uses the Narukami Clan. He often tries to get in fights and this is reflected in the cards he uses in his deck.
Also, one of the most prestigious literary awards in Japan is the Naoki Prize. Therefore, this name gives the impression of a boy who loves literature.