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 reason could be that Naruto might be too focused on his ninja goals. He has always been determined to become Hokage and might see a relationship as a distraction. In fanfiction, his single - minded pursuit of his dream could lead him to reject Hinata.
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.
One possible reason could be a misunderstanding. Maybe Naruto misinterprets Hinata's actions or words and distances himself from her. For example, if Hinata is trying to be helpful in a certain situation but Naruto takes it the wrong way. Another reason might be external influence. If there are other characters who try to drive a wedge between them, like some jealous rivals who spread false rumors about Hinata to Naruto. Also, Naruto's own insecurities could play a part. He might feel that he's not good enough for Hinata and decides to let her go on his own accord.
In the 'naruto rejects kushina fanfiction', it could be due to a sense of self - discovery for Naruto. He may be on a journey to find his true identity and purpose, and he believes that Kushina somehow stands in the way of that. Maybe he has new friends or allies in the fanfiction that he values more and their ideals are contrary to Kushina's. So, to stay true to these new relationships and his own evolving self, he rejects Kushina.
One possible reason could be that Naruto has a deep emotional connection with Hinata. She has always been there for him, believing in him even when others didn't. Her unwavering support might have made Naruto realize that she is the one he truly wants, so he rejects other girls.
One reason could be for the sake of creating drama. Writers might want to explore how the Naruto universe would be shaken up by such an event. It could also be a way to explore different character aspects of Naruto and Hinata that aren't shown in the original, like how Naruto would react to such betrayal.
One reason could be creative exploration. Writers might want to see how the story would unfold if Naruto hated Hinata. It's a way to break away from the normal storyline.
One possible reason could be that in the fanfic, Hinata has different personal goals or ambitions that she feels would be compromised if she were to be with Naruto. For example, she might be more focused on her family duties or her own ninja training and career, and she believes that a relationship with Naruto would distract her from those things.
One possible reason could be that Naruto has a different love interest in his heart, like Hinata. In the original story, his relationship with Sakura was more of a friendship - like bond. Another reason might be for the sake of creating an unexpected plot twist in the fanfiction. Maybe the writer wants to explore different emotional and relationship dynamics that don't follow the typical Naruto - Sakura pairing.
One possible reason could be that Hermione has a different romantic vision. In the original series, she might see Harry more as a friend. In the fanfic, her character could be written as being focused on her own personal growth and goals, which don't align with a romantic relationship with Harry.