It could also be due to the fear of change. Erza is used to the current dynamic between her and Natsu. Accepting his love would mean a huge shift in their relationship. There would be new emotions to deal with, new expectations. And she might not be ready for all that. In addition, there could be some unspoken rules or guild - related reasons in the fanfic's setting that prevent her from accepting Natsu's love. For example, the guild might have a code against members getting romantically involved to avoid potential conflicts or distractions during missions.
One possible reason could be that Erza is too focused on her own goals and duties. She has always been committed to protecting the guild and her comrades. Maybe she thinks that getting involved in a romantic relationship with Natsu would distract her from these important tasks.
One possible reason could be that Erza might have taken on a dangerous mission alone without informing Natsu. Natsu is protective of his friends and would get angry if he thought Erza was putting herself in unnecessary danger.
One possible reason could be that Erza is focused on her own goals and career in the Fairy Tail guild. She might see a relationship as a distraction at that moment. For example, she is always striving to be stronger and take on more challenging missions. Another reason could be that she may not view Natsu in a romantic way but more as a close friend and guildmate. Maybe she has a different ideal type in mind, someone more calm and studious rather than Natsu's brash and impulsive nature.
One possible reason could be a misunderstanding within the guild. Maybe some false information was spread about them, leading others in Fairy Tail to turn against them. Another reason might be a power struggle. If Natsu and Erza were becoming too powerful, some jealous members could have conspired to make it seem like they were betraying the guild. Or perhaps an outside force manipulated the situation to drive a wedge between them and the rest of Fairy Tail.
One common theme is the overcoming of obstacles. Since they are both strong - willed characters, they often have to overcome personal and external barriers to admit their love for each other.
One possible reason could be that he wants to break away from the pre - determined path. In fanfic, the author might want to explore an alternative version of Harry who is tired of the constant danger and expectations at Hogwarts. He may feel that staying there will only lead to more battles and losses, so he rejects it to seek a normal life.
In the fanfic, Natsu and Erza's love story might start with their shared adventures. They are both strong mages in the guild. Natsu's fiery personality could be attracted to Erza's strong and determined self. One day, during a difficult mission, Natsu might risk his life to save Erza. This act could make Erza see Natsu in a new light, and from there, a spark of love begins to grow between them.
One key moment could be when Natsu defends Erza against a group of powerful foes. His determination to protect her shows his deepening feelings. Another moment might be when Erza shares a personal story with Natsu, something she doesn't usually do. It makes their bond stronger. Also, a moment where they dance together at a guild celebration, and there's a spark of something more than friendship in the air.
One possible reason could be a misunderstanding. Maybe Harry did something that was misinterpreted by his mate. For example, if he was seen talking to another character in a friendly way, his mate might have thought he was being unfaithful. Another reason could be differences in their long - term goals. If Harry's mate has a very different vision for their future, like wanting to live a quiet life while Harry is more adventurous, this could lead to rejection.
In Natsu x Erza fanfic, their relationship can be full of adventure - based camaraderie. Natsu is often depicted as the impulsive and powerful mage, while Erza is the strong - willed and disciplined one. They might team up frequently, with Natsu's spontaneity contrasting Erza's calculated moves. This can lead to interesting character dynamics, where they both learn from each other and grow together in their fictional adventures.
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.