One possible reason could be jealousy. Maybe fem Sasuke is jealous of Naruto's natural charisma or his ability to make friends easily. Another reason might be related to their different goals. If fem Sasuke has a very different view of how to save or change the ninja world compared to Naruto, it could lead to hatred.
In a 'fem Sasuke hates Naruto' fanfiction, it could be due to a past event. For example, if Naruto accidentally or unknowingly did something that deeply hurt fem Sasuke in the past, like ruining a family heirloom or interfering with her training. Also, it could be a matter of pride. Fem Sasuke might have a strong sense of pride and see Naruto as a bumbling idiot who is always getting in her way and stealing the spotlight, which then turns into hatred.
One possible reason could be jealousy. Maybe in the fanfiction, Naruto feels overshadowed by Sasuke in Sakura's eyes, which leads to his hatred. Another reason might be that he perceives their relationship as a threat to his own bonds with them. For example, he could think that Sasuke and Sakura's closeness excludes him in some way.
One possible reason could be competition. Maybe in this fanfic, they are competing for something like recognition in the ninja world. Naruto, as a female, might feel that Sasuke is getting more attention or opportunities, which makes her jealous and eventually turns into hatred.
One reason could be the author's desire to create drama. By having such a betrayal, it amps up the emotional turmoil. Another could be to explore different relationship dynamics. Maybe the author wants to see how Naruto would react to such a situation, which is a way of testing the limits of their bond.
Well, Naruto has always been there for Sasuke in the original story. In fanfiction, Fem Sasuke might secretly like Naruto because she sees his loyalty. He's constantly trying to bring Sasuke back to the right path. This loyalty could translate into a deeper affection in the fan - created stories.
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.
One possible reason could be that Iemitsu has been absent for much of Tsuna's life. In the story, this absence might have made Tsuna feel abandoned, leading to hatred. For example, Tsuna could have faced many difficulties growing up without a father figure, and all the pain and struggles could be directed towards Iemitsu.
I'm not sure specifically which 'fem Sasuke hates Naruto' fanfiction to recommend. There are so many fanfictions out there. You could try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net and use those keywords to filter the results.
Well, Naruto could hate Sakura and Sasuke because in the NaruHina fanfiction context, Sakura might represent the past and all the times Naruto felt rejected by her. She always had eyes for Sasuke. And Sasuke, his actions were often self - centered and caused Naruto a great deal of distress. Naruto, as he falls for Hinata, starts to realize that Hinata is always there for him. Unlike Sakura, who is always pining for Sasuke. So, Naruto's feelings towards Sakura and Sasuke change to dislike as his relationship with Hinata blossoms.
There could also be political reasons. Some factions within Konoha might have seen Naruto as a tool or a threat to their own political power. His influence and popularity could have disrupted the existing power balance, leading to animosity from those who wanted to maintain the status quo.
It could be related to their different personalities. Naruto is very outgoing and impulsive, while Kurenai is more calm and reserved. In the fanfiction, their clashing personalities might lead to Naruto developing a dislike for her. Naruto might feel that Kurenai is too strict or unapproachable, which causes him to hate her.