At first, it may show some small frictions between them, which gradually accumulate and turn into hatred. Then, there could be a series of confrontations.
The fanfic may develop their relationship by showing how 'dark Naruto' gradually uncovers more and more about his dad's past. With each discovery, his hatred grows. For instance, if he finds out that his dad was involved in some kind of political intrigue within the village that had consequences for Naruto's own life. It could also show 'dark Naruto' trying to break free from his dad's shadow, but in a very negative and angry way.
Often, it starts with small incidents that show Annabeth's dislike. For example, she might give Rachel cold looks or make snide remarks. Then, as the story progresses, the tension builds. Maybe they end up competing in some way, like for a leadership position in a group.
Their relationship might develop through shared experiences. For example, if they go on a mission together, they learn to trust and rely on each other more.
Often, in these fanfictions, the relationship develops through shared secrets. For example, they might both have a secret about their family's past that only they share, which brings them closer. The older sister may also use her knowledge of the wizarding world, which she has gained a bit earlier than Harry, to help him understand things better.
Communication is key. Naruto and his sister could sit down and have an honest conversation about what's bothering him. They could clear up any misunderstandings that led to his hatred.
In these fanfics, the relationship can develop through shared experiences. Like when they face a common enemy together inside Naruto's mind. Kurama might start to see Naruto as more than just a vessel, but as a friend or even a son - like figure. He would then be more open with his emotions and offer more support in Naruto's real - life battles.
The relationship could start with Naruto being overly protective of his sister, but she wants more independence. This causes friction. Later, when she gets into trouble that only Naruto can help her with, he steps in. This makes her realize that his over - protectiveness comes from love, and they begin to repair their relationship. For instance, if she is kidnapped by a powerful enemy, Naruto uses all his skills to rescue her, and during this process, they have heart - to - heart conversations.
The relationship development usually involves Naruto learning to trust again after being banished. His partner helps him heal his emotional wounds. They start as friends, gradually realizing their feelings for each other. There are also cultural exchanges and learning about each other's pasts that contribute to the growth of their relationship before they get married.
Often, it starts with suspicion. Naruto is wary of Konan as she is part of the Akatsuki. But as they interact more, they start to see each other's good sides. For example, Konan might see Naruto's determination to protect his friends, and Naruto might see Konan's loyalty to her comrades.
Typically, it starts with Gaara being drawn to Sakura's unique qualities, like her determination. Then, he might start to seek her out more often. For example, he could find excuses to be near her during ninja meetings. As the story progresses, Sakura might start to notice his attention and either be flattered or a bit wary at first. Eventually, they could start to open up to each other more and form a deeper connection.