One popular storyline is them being rivals in high school sports, like soccer or basketball. They start off competitive but gradually develop a deeper understanding of each other.
One popular storyline is about Naruto and Sasuke teaming up against a new, powerful enemy that threatens the entire ninja world. In this type of fanfiction, they put aside their differences and combine their unique skills, like Naruto's Rasengan and Sasuke's Chidori, to defeat the foe.
One popular storyline could be Naruto finding baby Sasuke alone after a battle and taking it upon himself to protect him. Naruto might have to face various challenges while hiding Sasuke from those who would do him harm.
One popular storyline could be them going on a journey together to discover a new ninja technique. They face various challenges and in the process, their relationship deepens.
One popular storyline is about Naruto and Sasuke going on adventures together after the main series ends, exploring new lands and facing unknown threats. They might encounter new types of ninjutsu or mythical creatures.
One popular storyline could be them going on a joint mission that no one else could complete. Naruto's determination and Sasuke's skills, in their female and male forms respectively, combine to defeat a powerful new enemy. Another could be a story where they are forced to train together in a secluded area and develop a deeper understanding of each other's powers and past traumas. It could also be a story where they are in an alternate universe where they are the only ones with their powers and must protect their village from a threat that is beyond what they have ever faced before.
Well, in some fanfictions, Jiraiya and Naruto go on a mission together that was not in the original series. This mission could involve exploring a mysterious and dangerous land, where they have to rely on each other's skills. Jiraiya uses his vast experience and Naruto his new - found powers. And sometimes, there are fanfictions where Jiraiya time - travels and sees Naruto as a fully - grown Hokage, and they have a heart - to - heart conversation about Naruto's journey.
One plot idea could be that fem Naruto is a new student at school and Sasuke is the popular loner. They get paired for a project and initially clash, but gradually start to understand each other. Another idea is a highschool sports competition where fem Naruto and Sasuke are on rival teams, and their rivalry turns into an unexpected friendship and more. Or perhaps there's a school dance and fem Naruto wants to ask Sasuke, but there are all sorts of misunderstandings and obstacles in the way.
Another idea is that there's a high school sports competition. Female Naruto is on the track team and Sasuke is on the soccer team. Naruto has always admired Sasuke from afar. During the competition, an accident occurs where Naruto gets hurt while trying to help Sasuke's team. Sasuke then feels responsible and starts to take care of her, leading to a closer bond between them.
Well, a great plot could be that there's a high - school sports competition. Naruto is determined to win for the school, and fem Sasuke is also a top athlete. They end up training together and feelings start to develop. Or perhaps there's a mystery in the school, like a series of pranks being played. Naruto and fem Sasuke team up to find the culprit. Along the way, they realize their feelings for each other are deeper than just friendship.
Another storyline might be centered around a new threat to the village that forces Naruto and Sasuke's families to work closely together for protection. In this case, the kids from both families start to learn from each other's parents. For example, Naruto's son might learn some of Sasuke's signature jutsu techniques from Sasuke himself while Sasuke's daughter might pick up on Naruto's positive attitude towards life. This not only strengthens their families' bonds but also the overall security of the village.