One of the themes is growth. Naruto helps Sasuke grow both as a ninja and as a person. They might go on adventures together where Sasuke learns important life lessons from Naruto. Also, friendship is a big theme. Even though Naruto is in a more guiding role, their friendship deepens in these fics.
One popular 'naruto raises sasuke fanfic' might be those where Naruto takes on a more parental role towards Sasuke after a certain event in the story. For example, in some fics, Naruto helps Sasuke deal with his inner demons much earlier. He might teach Sasuke different jutsu in a more patient and guiding way, similar to how a father or an older brother would.
People like these fanfictions because it gives a chance to see a more nurturing side of Naruto. He was always determined to bring Sasuke back in the original, and in these fanfictions, he gets to actually shape Sasuke's growth in a more direct way. It also shows how their bond could be even stronger if Naruto had this kind of role.
One great 'Naruto raises Sasuke' fanfiction is 'A Different Path'. It shows Naruto taking on a more parental role towards Sasuke early on. It delves into how Naruto's positive influence changes Sasuke's outlook on life and the village.
One possible plot could be Minato teaching Naruto and Sasuke his signature jutsu, like the Rasengan. He'd pass on his skills and wisdom, guiding them to be stronger and more responsible ninjas. Naruto might learn about his father's past more directly from Minato, and Sasuke could gain a new perspective on family and loyalty through Minato's influence.
Minato's presence would likely make them closer. He'd encourage them to see each other as brothers. Since Minato is Naruto's father, Naruto would have more confidence and be more at ease, which would make Sasuke respect him more. They'd have a common figure to look up to and follow his teachings together.
A 'fugaku raises naruto fanfic' might be centered around the idea of Fugaku seeing potential in Naruto. It could involve Fugaku protecting Naruto from the early hardships he faced in the original story, perhaps leading to a different path for Naruto in terms of his ninja skills and relationships within the village.
Yes, there might be such fanfics out there. In the Naruto fandom, with a large number of fans creating various types of stories, it's possible that some would write a story where Naruto destroys Sasuke in a way that could be seen as Sasuke - bashing. However, these kinds of fanfics may not be in line with the overall spirit of the original work which focuses on their complex relationship and growth.
Yes, there are likely fanfictions out there with such a plot. Fanfic writers often explore different and sometimes controversial storylines. However, this goes against the strong bond between Sasuke and Naruto in the original series.
I'm not sure if there is such a specific fanfic. Fanfiction can cover a wide range of scenarios, but cheating themes might not be very common in the Naruto fanfic world, especially considering the strong bond between Sasuke and Naruto. However, with the vast amount of fanfiction out there, it's possible that one exists.