One interesting plotline could be about the rebuilding of the Hidden Villages. Naruto could be deeply involved in diplomatic efforts to strengthen relationships between the villages, ensuring long - term peace. Another could be the exploration of the new generation of ninjas, their training, and how they are influenced by the war - heroes like Naruto.
There could be a plotline focused on the secrets and lost jutsus that are rediscovered in the post - war era. For example, some ancient scrolls might be found, and Naruto and his friends have to figure out what they mean and how to use or protect them. This could lead to new adventures and challenges.
One possible plotline could be Naruto having to adjust to his new relationships within the harem. For example, dealing with the different personalities and needs of each girl. Maybe one girl is from a different village and there are cultural clashes that Naruto has to mediate. Another could be about how Naruto uses his newfound family - his harem - to help him rebuild the village in a more harmonious way.
One interesting plotline could be Naruto using his knowledge of the future to prevent certain tragedies that occurred during the war. For example, he might be able to save some of the fallen comrades. Another could be his attempts to change the political situation in the ninja world for the better, leveraging his experiences.
Another plotline could be a time - travel story. Maybe Naruto is sent back in time and meets a younger Kaguya before she becomes the evil being she is in the original story. He tries to change the course of history by influencing her and preventing the future tragedies. This would involve a lot of character interaction as Naruto tries to teach Kaguya about things like love, friendship, and the importance of peace, which she was deprived of in her own upbringing.
Another plotline could be them going on a mission together as young ninjas. They face challenges and have to rely on each other. Maybe they get lost in a forest during a mission and have to use their respective ninja skills to find their way back. Along the way, they share stories and secrets, strengthening their bond as friends and comrades. This shows how they grow together in the ninja world.
One interesting plotline could be Ron and Hermione's adjustment to a normal life after the chaos of war. They might struggle with things like PTSD and learning to live without the constant threat. For example, Ron could have nightmares about the battles and Hermione would be there to comfort him, strengthening their bond.
Another plotline could involve Hermione's relationships. Maybe she finally gets to explore her romantic side more freely. She could start dating someone unexpected, like a muggleborn wizard she meets during her post - war travels. He might introduce her to a whole new world of muggle - like magic that she didn't know existed.
One interesting plotline could be the rebuilding of the ninja villages after the war. The characters might focus on restoring relationships, like Naruto working to improve the ties between Konoha and the other villages. Another could be exploring the psychological aftermath of the war on the ninjas. For example, Sasuke might struggle with his newfound place in a post - war world.
Well, in some 'naruto hero of war fanfiction', there might be a plotline where Naruto has to make difficult moral choices during the war. For example, he might have to decide whether to sacrifice a small group to save a larger number of people. Also, there could be a story where Naruto uncovers a conspiracy within his own village that is related to the war, and he has to deal with that while still fighting the external threat.
One interesting plotline could be their post - war cooperation in rebuilding the Hidden Leaf Village. They both have unique skills and perspectives, and a fanfiction could explore how they work together, set aside any past differences, and contribute to the village's restoration.
Another possible plotline is that there's a threat to Sara's kingdom and Naruto comes to help. He uses his experience and powers to defend the kingdom, and during this time, a romantic relationship starts to develop between him and Sara as they work side by side to protect her people.