Perhaps in the time travel, Fem Naruto ends up being mistaken for someone else in Madara's time. This could lead to all sorts of comical and also tense situations as she tries to figure out how to get back while also dealing with Madara and his plans. For example, she could be mistaken for a long - lost relative of a powerful clan, and have to play along to avoid suspicion.
Another plot could be that Madara and Fem Naruto are both sent back in time, but they lose their memories. They then have to figure out who they are while also being drawn to each other in a strange way. As they regain their memories bit by bit, they have to decide whether to continue on the paths they were originally on or make new choices.
Perhaps they travel back to a time when the Sage of Six Paths was alive. Naruto, with his understanding of modern ninja techniques, and Fem Madara, with her ancient Uchiha knowledge, could learn from the Sage. They might gain new powers or insights that they bring back to their own time. This could lead to a whole new level of power and peace in the ninja world.
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.
A great 'Naruto fem Madara' fanfiction could revolve around fem Madara being a mentor to Naruto. Instead of the usual antagonistic relationship that Madara has in the original series, she could use her powerful skills and knowledge to train Naruto. This would give Naruto a different kind of training experience and also allow for some unique character development for both of them as they navigate this new dynamic.
Another plot might be Fem Luffy traveling to a time in the future of the One Piece world. She could see the consequences of the actions of the current pirates, including her own crew. This could give her new perspectives on her goals and how to achieve them. For example, she might find out that a certain decision she made in the present led to a negative outcome in the future, so she goes back to change it.
Another plot could be a time - travel scenario. The female Naruto is sent back in time and meets a younger Madara. She tries to change his path to prevent the future disasters he causes. In the process, she has to convince him to trust her, and they gradually develop a deep bond as she shows him a different way of seeing the ninja world.
Well, a cool plot twist might be that Fem Naruto has a secret lineage related to Madara's own clan. Maybe she discovers this and it makes Madara question his long - held beliefs and grudges. Or perhaps in the fanfiction, Fem Naruto is able to use a new form of ninjutsu that is a combination of Uzumaki and Uchiha techniques, which she uses to outwit Madara in a crucial battle. It could also be that Madara's real goal was to actually find a successor like Fem Naruto all along and his actions were just a test to see if she was worthy.
A possible interesting plot could be Naruto using Madara's body to face off against the Akatsuki. They might be confused as to why 'Madara' is acting so differently.
One interesting plot could be their early days of friendship and how it gradually evolved into a complex relationship filled with respect and rivalry. They could be shown training together and sharing their dreams for the future of the ninja world.
One interesting plot twist could be that female Naruto, with her knowledge of the future, tries to prevent Madara from making certain mistakes that led to his downfall in the original timeline. For example, she might show him the true nature of the power he was seeking, making him question his motives.
A cool plot in Naruto Konoha 12 Time Travel Fanfiction might be that they go back to the time of the Nine - Tails attack on Konoha. They could work together to try and prevent the Nine - Tails from causing as much destruction. Maybe Sakura, with her medical skills, could save more lives. Shikamaru could come up with a better strategy to deal with the situation. And Naruto, well, he could try to communicate with the Nine - Tails in a different way since he has the experience of befriending it in the future. This would change the whole future of Konoha and how Naruto is perceived in the village.