Well, one possible reason could be that Sasuke's mistake might have put their team in great danger. For example, if his actions led to the enemy getting an upper hand during a battle, endangering not only his life but also those of his comrades like Sakura. Sakura, who values the safety of the team, would then resent Sasuke for his mistake.
It might develop it through a series of flashbacks. The fanfic could show the events leading up to Sasuke's mistake and Sakura's initial reactions. For example, it could start with a scene where Sakura is shocked by what Sasuke has done, and then through flashbacks, we see the build - up of her feelings.
A prevalent theme in 'sakura sasuke mistake' fanfic is miscommunication. Since they both have strong personalities and different goals at times, misinterpreting each other's intentions is quite common. Another theme is the consequences of Sasuke's actions. His decisions often have a huge impact on Sakura, and fanfics explore how these actions are seen as mistakes and how they affect their relationship in the long run. It can be really engaging to read how the authors navigate through these complex themes.
Maybe in the fanfic, Sasuke has done something to betray Sakura's trust. For example, he might have left the village again without considering her feelings.
Well, one popular 'Sakura Sasuke mistake' fanfic might be those that explore the mistakes in their relationship. For example, some fics could focus on how Sasuke's pursuit of revenge led to misunderstandings with Sakura. You can often find such fanfics on major fanfic platforms like Fanfiction.net or Archive of Our Own by simply searching for the relevant tags.
A scenario could be that Sasuke blames Sakura for something that went wrong in his revenge plan. Maybe she unknowingly did something that set him back, and in his anger and single - minded focus on revenge, he starts to hate her. Another possibility is that in the fanfic world, there is a misunderstanding. Sakura is misinterpreted as being involved with someone who has wronged Sasuke, and this causes him to hate her without really knowing the truth.
In such a fanfic, one possible reason could be Naruto's feeling of being left out. Maybe he sees Sakura's constant focus on Sasuke and feels neglected in their friendship triangle. Another reason might be jealousy. If Naruto has unrequited feelings for Sakura, seeing her love for Sasuke could turn to hatred over time.
The relationship would become very tense. Naruto would likely avoid Sakura and Sasuke. There would be no more of the friendly banter or the complex emotional triangle that was there before. It's a complete shift from their normal relationships in the original story.
I'm not sure. Fanfiction can be very subjective. Some might find it interesting as it offers a different take on the characters' relationship, but it also goes against the more common portrayal of their bond in the original series.
One possibility for such a fanfic is that Naruto has been through some kind of trauma that makes him view Sasuke and Sakura differently. For example, if Naruto was betrayed by someone he trusted deeply who had similarities to Sasuke and Sakura in some aspects. It could change his perception of them completely and fuel his hatred in the fanfic.