One interesting plot could be that Naruto and Sasuke travel back to their childhood days. They use their knowledge of the future to prevent certain tragedies, like the Uchiha massacre. They might also try to change how they first interacted, making their bond stronger from the start.
One interesting plot could be that they travel back to their childhood days and try to prevent some of the tragedies that happened later. For example, Sasuke might try to stop the Uchiha clan massacre from the start. Another plot could be that they are sent to a time when the ninja world was first being formed and they have to use their modern - day skills to survive and shape the new world.
One interesting plot could be that they travel back to the time when the Uchiha clan was about to be massacred. Sasuke might try to change the fate of his clan, while Shikamaru uses his intelligence to strategize and deal with the political implications. They could face many challenges, like not being believed by the people of that time or accidentally causing more chaos.
One interesting plot could be that female Naruto and Sasuke travel back to the time when the Uchiha clan was about to be massacred. They try to prevent it from happening. Female Naruto might use her strong will and unique jutsu to convince the clan members and the village leaders to find a different solution. Sasuke, with his knowledge of the future, could help expose the real mastermind behind the plot against the Uchiha.
One interesting plot could be Naruto and fem Sasuke traveling back in time to their childhood days. They could use their knowledge of the future to prevent certain tragedies, like the Uchiha massacre. Maybe they would also try to change their relationship from the start, with Naruto being more aware of Sasuke's feelings and vice versa.
One interesting plot could be Naruto seeing how the village has developed in the future. He might be amazed at the advanced technology and new ninja techniques. For example, he could discover new ways of using chakra that he had never thought of before.
Some fanfics might have a plot where Naruto himself travels back in time. He could use his knowledge of the future to train harder, or he might try to save some of his friends who died in the original timeline. This could also result in some heartwarming moments as he reunites with characters from his past, like his parents, and has a chance to interact with them in a different way.
One interesting plot could be that Naruto and Yoshina time travel to the era of the Sage of Six Paths. They could learn about the origin of chakra directly from the source. Naruto might gain new powers or a deeper understanding of his own abilities. Yoshina could also have her own revelations. Another plot could be that they are sent back to when Naruto was a child and they have to prevent Orochimaru from infiltrating the village earlier. This would change the power dynamics in the village and Naruto's growth path.
A third plot might be that they travel to a time way before the founding of the ninja villages. Here, they could witness the origin of ninjutsu and the early clans. They may try to influence the development of the ninja world from its very roots, perhaps even trying to create a more unified and peaceful ninja society from the start without all the future conflicts that were based on old grudges and power struggles.
Perhaps a plot where Sakura discovers a long - hidden secret about Sasuke's past during their travels together in the Naruto Gaiden fanfic. This could lead to a deeper understanding between them and some emotional moments.
A really cool plot might be Sasuke using his Rinnegan - powered time travel to team up with the legendary Sannin in their prime. Imagine him joining forces with Jiraiya, Tsunade, and Orochimaru on a mission that could change the entire Naruto world. He could use his modern knowledge and skills along with their power and experience.