One possible reason could be that it goes against the original dynamic between Naruto and Sasuke. In the original story, their relationship is based on a deep male - male bond of rivalry and friendship. Changing Sasuke to a female might disrupt that established connection.
Another reason could be that some Naruto fans view the 'fem Sasuke' concept as a form of forced diversity or a deviation from the essence of the story. They might feel that the original Naruto - Sasuke relationship is what makes the story so compelling, and any major alteration like this in fanfic is not appealing. The story has always been about two male characters growing and evolving in their relationship, and changing Sasuke's gender could be seen as a gimmick rather than an enhancement.
Some fans might be divided. Those who like the original Naruto - Sasuke dynamic might support the rejection as it upholds the integrity of the original story. They may feel that fanfic should stay closer to the source material.
In some fanfictions, Naruto might reject Sasuke because of Sasuke's continuous pursuit of power in a way that endangers others. Naruto, who values friendship and the safety of the village, could see this as a betrayal of their shared values.
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.
Perhaps in the fanfic, Hinata has fallen in love with someone else. It could be a new character introduced in the fanfic's universe or someone she has come to know better over time, leading her to reject Naruto.
One possible reason could be Naruto's pent - up anger towards Minato for leaving him as an orphan. He might feel that Minato sacrificed himself without fully considering the consequences for Naruto.
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.
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.
One great 'Naruto' fanfic with a female Sasuke concept is 'The New Path of the Uchiha'. It offers a fresh take on Sasuke's character as a female. The story has really well - written fight scenes and character development. It also delves deep into how her relationships with other characters like Naruto would change in this new scenario.
I'm not sure if there is a specific 'naruto fem sasuke slave fanfic' available. Fanfics are created by fans all over the world, and there are so many out there that it's hard to say for certain. However, some fanfics might be hard to find depending on their content and popularity.
One possible reason could be that Sasuke is too focused on his revenge. His single - minded pursuit of power and vengeance against Itachi leaves little room for romantic feelings. He might see a relationship with Sakura as a distraction from his goals.