In some fanfictions, they might travel to a time when the Hidden Leaf Village was first founded. Naruto, with his modern skills and understanding, and Tsunade, with her knowledge of the village's history and her powerful abilities, work together to build a stronger foundation for the village. Along the way, they develop a deep romantic connection as they face challenges and share their hopes and dreams for the future of the village.
One interesting plot could be that when they travel back in time, Naruto uses his knowledge of the future to protect Tsunade from past threats she faced. For example, he might prevent Orochimaru from harming her earlier in her life.
Well, in some fanfictions, Naruto and Tsunade time travel and end up changing the power dynamics in the ninja world. Maybe they help a small village become a major power by introducing modern ninja concepts. Also, they could time travel to a period when the Akatsuki was first formed and try to disband it before it causes too much chaos.
One interesting plot could be that Naruto and Tsunade travel back in time to the founding of Konoha. They could use their modern - day knowledge and skills to change certain events for the better. For example, Naruto might be able to prevent some of the early conflicts within the village using his understanding of unity. Tsunade could use her medical skills to save lives that were lost in the past, which in turn could have a huge impact on the future of Konoha.
Perhaps they travel back to a time when Tsunade was younger and more reckless. Naruto, with his experience, tries to help her avoid some of the mistakes she made in her past. This could lead to a different relationship between them, as Naruto becomes a sort of mentor to the younger Tsunade. And along the way, they might start to develop deeper feelings for each other that were not present 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.
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.
In some fanfictions, the plot might involve Naruto and Tsunade time - traveling to an era where they are forced to hide their identities. This secrecy and the need to rely on each other in a strange time could lead to a romantic connection. Another interesting plot could be that they travel back to a time when Tsunade was being courted by other men. Naruto, with his unique charm, manages to win her over. Or there could be a plot where they time - travel and end up in a parallel universe where the rules of their relationship are completely different, and they have to navigate this new world while their feelings for each other grow.
One interesting plot could be Naruto using his unique ninja skills to accidentally hypnotize Tsunade into believing she's a young kunoichi again. This would lead to her acting more impulsively and getting into all sorts of comical and adventurous situations in the village.
One possible plot could be Naruto accidentally discovers a hidden side of Tsunade related to ABDL. This leads to a series of comical yet heartwarming moments as Tsunade tries to keep it a secret while Naruto is just innocently curious. For example, Naruto might find some ABDL - related items in Tsunade's office and misunderstand their purpose at first.
Perhaps in the fanfiction, Naruto's godlike powers are a result of some ancient prophecy. Tsunade, being the experienced Hokage, guides him on how to control these powers. They might go on a journey to discover the origin of these powers and along the way, face many challenges together. For example, they could encounter other villages that are either jealous or afraid of Naruto's powers and try to stop them.
One common plot is a training arc where Tsunade trains Sakura further in medical ninjutsu and combat skills, with Naruto sometimes getting involved as a sparring partner or for moral support.