In this fanfiction, Sakura might be on a mission to change the past in order to save someone important in her present. Minato could initially be suspicious of her but then come to trust her as they face common enemies. They could end up influencing each other's future and past in unexpected ways, like Sakura teaching Minato some basic first - aid knowledge that he then passes on, which changes the course of some future battles.
In a fanfiction scenario, perhaps there was a forbidden scroll that Sakura discovered in the library. As she unrolled it to study, a powerful time - travel spell was activated. Minato, being the Hokage, sensed the dangerous chakra release and rushed to stop her, but instead, they were both sucked into the time - traveling vortex. Their adventure might then begin in an era filled with unknown threats and different ninja clans vying for power.
Their relationship could start off rocky. Minato may be distrustful of Sakura's sudden appearance. However, as they face challenges together, like fighting against powerful enemies from the past, they start to rely on each other. Sakura might start to see Minato as a mentor figure, learning from his combat skills. Minato, in turn, could see Sakura as a symbol of the future and be motivated to make the world a better place for her generation. Over time, they could form a deep bond that is part friendship and part a shared sense of purpose.
Sakura and Minato's presence in the past would be like a ripple in a pond. Minato's speed and combat abilities might inspire new generations of ninjas to train differently. His leadership skills could also influence the political situation in the village. Sakura, on the other hand, could introduce advanced medical techniques. She might save a young ninja who would later become an important figure. This would not only change the past but also have a domino effect on the future, as the actions and decisions of the saved ninja would be different from what they originally were.
In a Naruto time - travel Minato fanfiction, Minato could be sent to the future. There, he would see how the village has changed, and might be shocked to find out about the Akatsuki and their actions. He could then work with Naruto and the others to fight against the Akatsuki using his unique skills and knowledge of the past. For example, he could teach Naruto some new jutsu that was lost over time.
If Minato time - travels, it could change a lot. For instance, if he prevents the Nine - Tails attack, Naruto would grow up in a very different environment. He might not be the underdog he was in the original story. Also, if Minato changes things during the Uchiha clan's situation, Sasuke's story would be completely different. Konoha's political situation would also be altered. There would be less animosity between different clans perhaps.
Another plot could involve Minato traveling back in time and meeting his parents. He could learn more about his family's past and secrets that were lost over time. This could lead to him unlocking new powers or abilities that were somehow related to his family heritage. He might also be able to use this new - found knowledge to better protect the village in his original time.
One common theme is redemption. Minato might go back in time to correct his past mistakes or save lives he couldn't before. Another theme is power - up. Since he has knowledge from the future, he can train differently and become stronger. For example, in some fanfictions, he uses this knowledge to master new jutsus faster.
In a Sakura and Kakashi time travel fanfiction, they could end up in the past during a major war. Kakashi would be a great asset with his Sharingan and combat skills. Sakura, on the other hand, could help the wounded soldiers. Their presence in the past could change the outcome of the war. For example, they might be able to save some important characters who were supposed to die. This would then lead to a completely different future when they return to their own time.
Time travel can completely change their missions. They might have to redo a mission they already completed in a different way. For example, if they failed a mission in the original timeline, they could go back and try to succeed this time. Or they might have a new mission altogether because of the changes in the timeline that they caused through time travel.