One idea could be a time - travel plot where Boruto and Sarada are sent back to Naruto's era. They could interact with a younger Naruto and help him in some way that changes the future subtly. For example, they might help Naruto with a difficult mission that he barely survived in the original timeline, and this could lead to different relationships in the future.
Another plot could involve a new villain that targets both the new generation (Boruto and Sarada) and the old (Naruto). The three of them have to team up and combine their different skills. Naruto's brute strength and experience, Boruto's new - age jutsu, and Sarada's intelligence and Sharingan abilities could be crucial in defeating this villain.
One idea could be a time - travel plot where Boruto and Sarada are sent back to Naruto and Sakura's genin days. They could witness the early days of Team 7 and get involved in some of their missions, which would change the course of history in unexpected ways.
One idea could be a time - travel fanfiction where Boruto goes back in time and meets a young Naruto. He could help Naruto avoid some of the hardships he faced. Another could be a story where Sarada has to team up with Naruto to save Boruto from a new and powerful enemy. It would be interesting to see their different fighting styles and how they interact.
One idea could be a time - travel plot where Sarada goes back in time and meets a young Naruto. She could learn from his experiences and determination, and in turn, she might influence some of his decisions. This would create an interesting dynamic as they come from different generations but share common goals of protecting the village.
One idea could be a time - travel fanfiction where Boruto and Sarada end up in the past and meet Naruto and Sakura during their early days. They could help change some small events that have a big impact on the future.
A more emotional plot could be centered around family. Sarada has some doubts about her family, and Naruto and Sakura, having been through their own family - related struggles, could offer her advice and support. They could share their stories of growing up without parents (in Naruto's case) or with a complex family situation (in Sakura's case), which would help Sarada come to terms with her own family issues.
In Naruto x Sarada fanfiction, a possible plot is that there is a new threat to the Leaf Village that only their combined skills can defeat. Sarada's intelligence and Sharingan abilities combined with Naruto's vast chakra reserves and Rasengan techniques could make for an exciting battle. Also, it could be interesting if they have to infiltrate an enemy stronghold where they need to rely on each other completely, and in the process, Sarada learns more about Naruto's past and what made him the Hokage.
One idea could be a story where Sarada goes on a mission to Sand Village and meets Gaara. They start to exchange their views on leadership, as Gaara has a lot of experience in leading his village. Sarada could learn a great deal from him about being a responsible and empathetic leader.
Another plot could involve Sarada going on a journey to find out more about her father, Sasuke. She could encounter people who knew Sasuke in his younger days and learn about his past misdeeds and heroic deeds, which would shape her understanding of him and herself as his daughter.
One idea could be Boruto getting transported back in time and meeting a young Naruto. He could then help Naruto avoid some of the early hardships he faced, but also realizes that those hardships made Naruto who he is. Another could be Naruto and Boruto switching bodies for a day, which would lead to humorous situations as they try to navigate each other's lives. A third idea might be that Boruto discovers a hidden power within himself by training with Naruto in a special dimension where time moves differently.
Maybe there's a prophecy that only Naruto and Boruto together can fulfill. They have to embark on a journey to find a set of ancient artifacts. Along the journey, they face many trials and temptations. Their different personalities sometimes clash, but they learn to work together. For example, Naruto's impulsiveness might get them into trouble, but Boruto's quick thinking gets them out. This back - and - forth helps build their bond.