One common plot element is the princess knight coming to the ninja world with a special mission. Maybe she's looking for a powerful artifact or trying to stop an evil force that threatens both her land and the ninja world. Another is that she forms an unlikely friendship or alliance with Naruto or one of the main characters. They then work together to overcome obstacles.
Yes, there are many Naruto fanfics with a princess knight theme that are clean and family - friendly. You can start by looking on popular fanfic websites like FanFiction.net or Archive of Our Own. Just use the search filters to exclude any inappropriate content and look for tags related to Naruto, princess, and knight.
Often, in these fanfics, Naruto's superpower is related to some sort of prophecy. The story might revolve around the idea that he is the only one who can defeat a great evil with his new - found superpower. His superpower could also have side effects that he has to deal with. For instance, it could be draining his life force but he still has to use it to save his friends and the village. And sometimes, the superpower allows him to enter new dimensions or realms that are not part of the original Naruto world, opening up all sorts of new adventures.
Often, in 'naruto fem itachi' fanfics, her abilities are re - imagined. She might have a different fighting style or use her Sharingan in new and unique ways. Also, her interactions with other characters like Naruto can be a big part of the plot. For instance, she could be a mentor figure to Naruto, teaching him some Uchiha - specific skills or knowledge. And her presence might change the dynamics of the Akatsuki as well, if the fanfic involves that organization.
A common plot element is that the ghost often has some sort of unfinished business. In many 'naruto has a ghost' fanfics, the ghost might be a former ninja who was wronged in the past. Naruto then gets involved in helping the ghost resolve this issue, which in turn benefits him in his own ninja journey, like learning a new and powerful jutsu.
One common element is Tsuna having to adapt to the ninja lifestyle. He has to learn about chakra and jutsu instead of his usual flames from the 'Reborn!' series.
A common plot element is Obito's change of heart. Usually, he has been a villain or on the wrong side, but then he realizes Naruto's importance and decides to save him. Another element is the danger Naruto is in, like from a powerful enemy or a dangerous jutsu.
One common plot element is the creation of original characters and their integration into the Naruto universe. For example, a fanfic might introduce a new ninja from a hidden village that has a unique jutsu. Another is exploring relationships that were not fully developed in the original, like a deeper look into the friendship between Naruto and some of his less prominent classmates. Also, time - travel plots are fairly common, where a character goes back in time to change certain events in the Naruto storyline.
One common plot element is her combat skills. Many fanfics will feature her in intense fight scenes. Another is her relationships with other characters, which could be friendly or antagonistic.
Character development is also a big theme. Writers might take a character from one series and put them in the other's world to see how they grow. For example, Ruby Rose in the world of Hollow Knight might face new challenges that force her to become stronger in different ways than in her own world. The combination of the two universes allows for new and interesting character arcs.
One common plotline is the knight protecting the princess from various threats, like an evil sorcerer or a marauding army. Another is the princess and the knight falling in love despite the differences in their social status. For example, in many stories, the knight is from a humble background while the princess is of noble birth, and their love has to overcome many obstacles.