One interesting plotline could be Sasuke and Sakura exploring their new relationship in a post - war world filled with rebuilding. They might face challenges in their relationship due to the traumas of war. Another could be them working together to heal the wounds of the village, both physically and emotionally. Maybe they discover new aspects of each other as they do so.
In the 'Sasusaku after the war fanfic', a possible plotline is that Sasuke and Sakura travel around the shinobi world to help other villages that were affected by the war. This would not only strengthen their bond but also show their growth as characters. They might encounter old enemies who have also changed in the post - war setting, leading to some interesting confrontations and reconciliations.
One interesting plotline could be about the rebuilding of Hogwarts. The war has left it in ruins, and the characters have to come together to restore it to its former glory. They might face challenges like finding the right magical materials and dealing with the memories of the battles that took place there.
Obviously, Sasuke and Sakura are the main characters. Sasuke with his complex past and new - found purpose after the war, and Sakura, who has always had feelings for Sasuke. In the fanfic, they are likely to be portrayed dealing with various post - war situations, like rebuilding the village, and their relationship is central to the story. They are the ones the readers will be most focused on as the story progresses.
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 about the different factions in Equestria warring over scarce resources. For example, the ponies of Canterlot might be fighting with the ponies from Ponyville due to a shortage of magic crystals. Another could be a story where an unlikely hero emerges from a small group of ponies who were previously overlooked in the war effort. Maybe a group of earth ponies discovers a new way to defend their land against the more magically - inclined opponents.
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 possible plotline could be that Viola is a new character who comes between Sasuke and Sakura, creating some sort of love triangle. She might be a powerful ninja from another village and Sasuke is intrigued by her skills, which makes Sakura jealous.
Well, perhaps in this fanfic, Emiya has to face some moral dilemmas during the fourth war. He might be forced to make choices between saving civilians and achieving his goals in the war. Also, his relationship with his Master could be explored in a new light. What if his Master has a hidden agenda that conflicts with Emiya's own sense of justice? That would surely add a lot of drama to the story.
Another plotline might involve a young pony who has the ability to communicate with the crystals. This pony could then be caught in the middle of the war, with both sides trying to use their unique talent for their own purposes. They might struggle with loyalty and the right path to take.
One interesting plotline could be the resurrection of long - forgotten shinobi who play unexpected roles in the war. For example, some shinobi from the early days of the Hidden Villages might return with unique jutsu that change the tide of battle.