Another theme is power - up. Since they have knowledge from the future, they can train more effectively or use future - knowledge - based strategies to become stronger. For instance, Naruto could use his knowledge of future battles to develop new jutsus faster. It's also about changing destiny. They don't want to accept the future as it was in their original timeline and strive to create a better one for themselves and their village.
Danzo Shimura might be another one. He is very secretive and power - hungry. If Naruto and Naruko's time - traveling actions expose his dark deeds or interfere with his control over the village, he would become their enemy. He has many underhanded methods and a strong influence within the village that they would have to deal with.
There's also 'Naruko's Time - Travel Adventure'. In this fanfic, Naruko goes back in time alone and has to face many challenges. She uses her knowledge from the future to deal with enemies and also tries to save some of the characters who died in the original timeline. It's a really exciting read with lots of character development.
One interesting plot could be Naruto and Naruko traveling back to the time when the Uchiha clan was about to be massacred. They could try to prevent it, which would change the whole future of the ninja world. Maybe they use their future knowledge and skills to stop Itachi from carrying out the order.
One common theme is redemption. They often go back in time to correct past mistakes, whether it was Naruto's lonely childhood or some major events that went wrong in the original storyline. For example, in many fanfictions, they try to save characters who died in the original plot.
It might start with curiosity. Naruto, coming from his own time, is intrigued by Naruko. They then start training together. As they train, they see each other's strengths and weaknesses, which brings them closer.
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.
One possible fanfiction could be about Naruko traveling to different dimensions in the Naruto universe and meeting alternate versions of her friends and enemies. She might learn new jutsus or gain unique powers from these encounters.
One interesting Naruko and Sasuke time travel fanfiction could be 'Naruko and Sasuke's Time - Twisted Adventure'. In this story, they travel back to the founding of the Hidden Leaf Village. It shows how their modern - day knowledge and skills impact the events of the past. Another good one is 'Time - Traveling Naruko and Sasuke: Changing Destinies' where they go back to prevent a major tragedy from happening in the past that would have changed the future of the ninja world drastically.
Well, 'A Time - Traveling Naruko' is also a popular one. In this fanfiction, Naruko travels to different time periods and meets various versions of her friends. It's full of action and has some really heart - warming moments as she tries to protect her loved ones across time.