Perhaps the plot twist is that Naruto has to hide his new vampire nature from his friends in Konoha. This would create a lot of internal conflict for him. He might be afraid that they'll reject him if they find out. And at the same time, he has to deal with the new cravings and instincts that come with being a vampire. It could lead to some really tense and emotional moments when his friends start to suspect something is wrong.
His relationship with his sensei, Kakashi, would change significantly. Kakashi would be more cautious around Naruto, not fully understanding the implications of his new vampire state. At the same time, he would try to guide Naruto in controlling his new powers. Naruto would look to Kakashi for help but also feel a sense of isolation as he realizes he's different from the other ninjas. And his friendships with the other Konoha 11 would be strained. They might be afraid of him, or he might push them away to protect them.
The consequences could be far - reaching. Naruto's relationships would surely be strained. His relationship with Sakura, for instance, might become complicated as she may be afraid of him or try to find a way to cure him. His bond with Sasuke could also be tested. Sasuke, being more attuned to darker powers, might have a different reaction compared to others. Moreover, Naruto would have to deal with the vampire community if there is one in the fanfiction world. He would need to learn their rules and how to control his new urges, or else he could become a danger to those he loves.
It changes the power dynamics. With Naruto having vampiric abilities, there would be a new type of power in the universe. Enemies might be more cautious of him, and allies might be both intrigued and a bit scared. It could also lead to new alliances as Naruto might seek out those who know about vampires to help him control his new nature.
Well, in the fanfiction, being bitten by a female vampire might lead to Naruto being drawn into the vampire world. He could be forced to deal with vampire politics and hierarchies. It might also create a conflict within him as he tries to balance his ninja life with this new, unexpected vampire side. For example, he might have to hide his new condition from his friends like Sasuke and Sakura at first.
Naruto's relationships would be turned upside down. His close friends like Kakashi would be worried about him. They might try to find a way to reverse the effects of the bite. Meanwhile, Naruto himself might feel isolated because he's different now. He might also attract the attention of other vampires or vampire hunters, which would put his friends in danger and further complicate his relationships.
Another theme is the power struggle. The bitten character may find themselves in the middle of a power struggle between different vampire clans or factions. They have to decide which side to take or how to navigate the complex politics of the vampire world. It's often filled with intrigue and back - stabbing.
Yes, there might be. Fanfiction is a vast world and there are all kinds of creative crossovers. You can try searching on popular fanfic platforms like FanFiction.net or Archive of Our Own. Just type in 'Naruto is Vampire' in the search bar and see what comes up.
Another possibility is that it could be a cursed or possessed person. They might not be in control of their actions and end up biting Naruto. This could be part of a larger, darker plot where a curse is spreading and Naruto becomes an accidental victim instead of Sasuke.
In such a fanfic, Naruto might gain some unique abilities from the bite. Maybe it would change his chakra nature or give him a new form. It could also lead to a different relationship with the creature that bit him. For example, if it was a demon, he might have to deal with its influence in a new way compared to Sasuke.