Another theme is unrequited friendship. Naruto sees Sasuke as his closest friend, but Sasuke's actions sometimes make Naruto feel like that friendship is not mutual, leading to hurt feelings. It's often about Naruto's struggle to hold on to that friendship in the face of Sasuke's coldness.
Well, 'Pain of the Promise' is a fanfiction in this category. Here, Sasuke breaks a significant promise to Naruto which hurts him badly. It delves into Naruto's inner turmoil as he copes with this new reality and how it affects their relationship.
Well, one possible plot could be that Sasuke has some sort of misunderstanding. Maybe he believes Naruto is in danger from an unseen enemy and kidnaps him to protect him. He takes Naruto to a secluded place, and at first Naruto is angry. But as they talk, they start to understand each other's motives better and their bond deepens.
Naruto would probably be really angry at first. He's a free - spirited person who doesn't like being forced into things. So he'd likely try to fight back right away, yelling at Sasuke about what he's doing.
One popular 'sasunaru' fanfiction could be 'A Bond Tested'. In it, Sasuke's actions towards Naruto might be misconstrued as abuse in the complex relationship they share. It delves deep into their emotional turmoil and how they overcome it.
It could also be due to a power struggle. Fem Sasuke might be jealous of Naruto's growing power and influence. In some fanfictions, characters can be driven by envy, and she might see Naruto as a rival that needs to be put in her place, so she ends up hurting him.
Naruto might initially be shocked. Given his friendly nature towards Sasuke in the original story, he wouldn't expect such an attack from her. So, his first reaction could be pure disbelief.
One popular one could be 'The Bond Beyond Battle'. In this fanfiction, Sasuke's decision to save Naruto is driven by a deep understanding of their shared past and the unspoken bond between them. It beautifully portrays Sasuke's internal struggle and his ultimate choice to put Naruto's life above all else.
It could cause a temporary break in their friendship. Naruto might be angry at Sasuke for being so careless. Sasuke would be desperate to fix things. This accident could also make Sasuke more determined to master his abilities so that he never endangers Naruto again. And Naruto, seeing Sasuke's remorse, might start to see a more vulnerable side of him, which could strengthen their bond in the long run.
Well, sometimes in fanfiction, Naruto might hurt Sasuke to create drama. Writers like to explore complex relationships and conflict is a great way to do that. It could also be to show the intensity of their bond, as if only someone you're really close to can truly hurt you.