James Bond is purely fictional. He exists in the realm of imagination, crafted by authors and filmmakers to entertain us with thrilling spy tales and escapades.
One idea could be to have Naruto enter the world of James Bond. Maybe he's on a mission to protect a special scroll that has secrets important to both the ninja world and the international espionage world that Bond is a part of. The fem James Bond could be initially skeptical of Naruto's abilities but soon realizes his unique skills in combat and stealth are invaluable.
Yes, there are some. There are fanfic communities where writers explore different aspects of James Bond's character in gay relationships. Some might focus on his charm and charisma in a new context, creating unique storylines.
Probably 'Casino Royale'. It was the first Bond novel and really set the tone for the series. It introduced Bond's character, his gambling skills, and his way of dealing with enemies.
There are several places. Fanfiction.net used to be a big hub for fanfics, and there might be some James Bond gay fanfics there. Also, some smaller, more niche fan - fic communities dedicated to LGBT+ interpretations of popular characters could also be a good source. You might need to do some digging around and use specific search terms related to James Bond and gay relationships.
There are fanfics where the OC is a mysterious femme fatale - like character. She has her own motives but ends up working alongside Bond. For example, she could be seeking revenge against the same villain as Bond. In the story, they initially distrust each other but gradually develop a grudging respect as they face various challenges together.