Perhaps they travel back to a time when the ninja world was in its early stages of conflict. Naruto, with his modern - day skills and Mikoto's traditional jutsu knowledge, work together to bring about a more peaceful start to the ninja world. They might introduce new ways of training or diplomacy that could have long - term positive effects.
Another plot could be that they go back in time and Naruto gets to meet a younger version of his father, Minato, through Mikoto. Since Mikoto was part of the same generation as Minato, she could help Naruto interact with his father in a way he never thought possible. This could lead to Naruto learning more about his family and the secrets of his birth while also influencing the past in unexpected ways.
One interesting plot could be a story where Naruto gets to time - travel and meets his mother Kushina and Mikoto when they were young. He could then use his knowledge from the future to change some events in a positive way.
One interesting plot idea could be that Naruto travels back in time and meets a young Mikoto. He could end up influencing the events that led to the Uchiha massacre in some way. Maybe he tries to prevent it by changing the relationship between the Uchiha clan and the village.
One plot idea could be that Mikoto travels back in time and tries to prevent certain tragedies from happening in the Naruto universe. Maybe she wants to stop the Uchiha massacre, and in the process, she forms a strong bond with Naruto, who is also involved in her efforts.
One idea could be that they travel back to a crucial moment in the history of the ninja world and change some small events that end up having a huge impact on the future. For example, they prevent a certain battle from happening too early, which gives the ninja villages more time to prepare for a bigger threat that was coming later.
One possible plotline could be Naruto and Mikoto traveling back in time and trying to prevent certain tragedies in the Naruto universe. For example, they might work to stop the Uchiha massacre, which would change the course of many characters' lives.
One interesting plot could be Naruto time - traveling back to his childhood and meeting a female version of himself, Naruko. They could team up to change the future of the Hidden Leaf Village. Maybe they work together to prevent certain tragedies that happened in the original timeline.
In some 'naruto x tsunade time travel fanfiction', an interesting plot could be that Naruto and Tsunade travel back to a time when the Hidden Leaf Village was just being founded. They have to deal with the primitive and often dangerous situations of that era. Naruto might introduce some future - like ideas to help build the village, while Tsunade uses her medical skills and leadership to gain the trust of the early villagers. It's also possible that they face challenges from other ninja clans who are not so welcoming of their new - fangled ways.
One interesting plot could be Naruto and Hinata traveling back to the time when the Uchiha clan was still intact. They could try to prevent the massacre. Maybe Naruto, with his future knowledge and Hinata's byakugan skills, would work together to change the fate of the Uchiha, which would have a huge impact on the future of the ninja world.
One interesting plot could be that Naruto and Ino travel back in time and try to prevent some of the tragedies that happened in the original Naruto story. For example, they might stop the Uchiha clan massacre.
Another plot could be that Tsunade uses her medical knowledge along with Naruto's power to go back in time and heal some of the major wounds the ninja world has suffered. They could go back to the time of the First Hokage and help him build a more peaceful and prosperous ninja world from the start. In this way, they might avoid all the wars and conflicts that followed.