If Naruto were to have nanites in fanfiction, it would change his character dynamics a great deal. The nanites could potentially introduce new powers that Naruto has never had before. For example, they could allow him to communicate wirelessly with his allies over long distances, or even give him the ability to hack into enemy systems if there are such things in the Naruto universe. Moreover, the nanites could be used to store and transfer chakra, which could revolutionize how Naruto uses his energy. This would open up a whole new realm of possibilities for his character development and the plot of the fanfiction as a whole.
Another idea is that the nanites come from an alien source. They land in the Naruto world and start interacting with the ninja. Some ninjas might befriend the nanites, while others see them as a threat. This could lead to a whole new dynamic in the ninja world, with different factions forming based on their stance towards the nanites.
You could create a character who is an expert in nanite technology. Maybe they come from a far - off land where they've been studying nanites for years. They arrive in the Naruto world to study how the chakra system might interact with the nanites.
One way to integrate it is to have a mad scientist - type character introduce the nanites into Naruto's body. Maybe this character is an outcast from a hidden village who has been secretly researching nanotechnology. He sees Naruto as a perfect test subject and implants the nanites without Naruto's full knowledge at first.
Nanites in this fanfiction often play a significant role in advancing technology. They can integrate with existing tech systems, making them more efficient. For example, they could improve the power output of a ship's engine by optimizing the energy transfer within the system. Also, they can be used to develop new types of technology. By manipulating matter at the nano - level, new materials with extraordinary properties can be created, leading to the invention of advanced armor or energy shields.
His relationship with his friends might change. His friends could be initially worried about the nanites in Naruto. For example, Sakura might try to find a way to remove them, thinking they are harmful. But Naruto would have to convince her that they are a part of him now.
The 'harry potter has nanites fanfic' might be an interesting take on the Harry Potter universe. Nanites are usually associated with science - fiction concepts. In this fanfic, they could be used to bridge the gap between the magical and non - magical worlds. Maybe the nanites are a secret weapon that Dumbledore has been hiding, and he reveals them to Harry to fight Voldemort. Or it could be a story where Harry discovers the nanites accidentally and has to figure out how to use them for good while avoiding the dark forces that also want to get their hands on this new technology.
One possible plot could be that Naruto discovers the nanites in his body accidentally. They might enhance his abilities like his chakra control or give him new powers. For example, the nanites could help him to better manipulate his shadow clones, making them more efficient in battle.
Often, the main characters are still Harry, Hermione, and Ron. But with the addition of the nanites, their personalities and abilities might change. For instance, Harry could use the nanites to better understand Voldemort's magic.
You can try searching on major fanfic websites like Fanfiction.net or Archive of Our Own. Just type in 'harry potter has nanites' in their search bars and see what comes up.