One common plot is Naruto preventing the Uchiha massacre. By doing this, he not only saves Sasuke's family but also changes the relationship between the Uchiha and Konoha. Another plot is Naruto stopping Orochimaru from getting too powerful early on, which could prevent a lot of chaos in the ninja world.
Often, in these fanfictions, Naruto goes back to his younger self and tries to change his own life. For example, he might make himself more popular at the ninja academy or train harder from the start. This can lead to him becoming an even more powerful ninja much faster than in the original story. Also, some fanfictions have Naruto preventing the Akatsuki from forming in the first place.
One common plot is that Naruto gains the Rinnegan through some sort of ancient ritual or prophecy. Another is that it's a result of a unique chakra fusion, maybe with an Uchiha character. Often, once he has it, he has to hide it from his friends at first because they might not understand or be afraid of it.
Often, in these fanfictions, Naruto has a hidden power that is related to his Uzumaki heritage. This power awakens when he realizes Kushina is in danger from the Kyuubi. He then uses this power to not only save Kushina but also to tame the Kyuubi in a way that no one has ever done before. It could also be that Naruto has made a deal with some other powerful entity that gives him the means to save Kushina from the Kyuubi.
Well, a frequent plot is related to how Naruto's new female appearance affects his relationships. For instance, his male friends might become more protective of him. Also, some plots involve Naruto using his female look to his advantage in missions, like infiltrating a female - only area. And then there are those plots that explore how Naruto himself feels about looking female, whether he's embarrassed, amused or using it as a tool for self - discovery.
One common plot is that Naruto tries to find out why his friends are ignoring him. He might go on a self - discovery journey, thinking that something is wrong with him. Another plot could be that Naruto, in response to being ignored, focuses all his energy on becoming a more powerful ninja. He may train in isolation, away from his friends, and then return as a much stronger and more confident version of himself, which then makes his friends regret ignoring him.
A common plot is the anticipation and excitement of a new life. For example, if it's about Naruto and Hinata having a baby, it focuses on their family life. Naruto's journey from being a ninja to a soon - to - be father is often explored. There's also the aspect of how the pregnancy affects the character's role in the village. If it's a kunoichi who is pregnant, she may have to take a break from her ninja duties, which can create some internal conflict.
Another plot is where the girl is in some sort of self - imposed danger, like she's lost in a dangerous area or has made a deal with a bad guy. Naruto then has to use his wits and strength to not only save her physically but also get her out of the bad situation she got herself into. In some fanfictions, this also leads to the girl having a change of heart and becoming a better person thanks to Naruto's influence. This plot is interesting as it shows Naruto as a positive influence on others.
A frequent plot in such fanfictions is Naruto's over - protective nature towards Hinata. He might be overly cautious when Hinata is involved in a dangerous situation, even if she is fully capable of handling it herself. This can lead to some comical situations as well as moments of deep emotional connection. Also, there could be plots where Naruto has to protect Hinata from a threat within the ninja academy, like a jealous rival.
One common plot could be that the sister has a different ideology. For instance, she might believe in a more radical approach to achieving peace in the ninja world compared to Naruto's more inclusive and forgiving way. This difference could lead to clashes and eventually Naruto's hatred. Another plot could be a power struggle. If the sister is extremely powerful and uses her power in a way Naruto doesn't approve of, like being cruel to weaker ninjas, it could make Naruto hate her.
One popular plot is Kakashi taking on a father - like role. He might train Naruto from a very young age, using his own unique skills and knowledge. This often leads to Naruto growing up even more powerful and having a closer bond with Kakashi than in the original series.
Another theme is growth. Naruto's growth from his past self to a more powerful and wiser version in the future is often explored. His past experiences, such as his battles and losses, fuel his development. And in many fanfictions, the watch aspect could refer to how other characters observe Naruto's journey. They might be inspired by his growth from a troublemaking kid to a great leader. There's also the theme of legacy. Naruto wants to leave a positive legacy based on his past. He wants to make sure that the future generations don't have to face the same hardships he did, like the constant threat of war and internal strife within the village.