Typically, it starts with Naruto being surprised or even a bit scared of the Female Kyuubi at first. But as he gets to know her better, he realizes she has her own motives and feelings. Then they start to communicate more, which leads to a gradual trust - building process.
At first, it might be a relationship of mutual suspicion. Naruto is used to seeing Kyuubi as a source of power but also a potential threat. As the story progresses, they start to understand each other more. For example, through shared experiences in battles.
Well, Naruto has always been alone in a way, and a Fem Kyuubi banished by Minato would also be alone. Their relationship could start from a place of mutual loneliness. Naruto might offer her protection, and in return, she could offer him her power and wisdom. They could bond over their shared experiences of being outcasts in a sense. The Fem Kyuubi could teach Naruto more about his own powers, since she has a connection to the chakra within him, and this could lead to a strong and unique relationship.
At first, Futa Naruto could be scared or confused by the female Kyuubi. However, as he gets to know her personality (which might be different from the regular Kyuubi), he starts to develop feelings of friendship. Maybe the female Kyuubi shows a more nurturing side, helping Naruto when he is injured in battle. This kindness makes Naruto see her as more than just a source of power, and their relationship evolves from there.
Their relationship often develops through shared experiences. For example, they might face a common enemy together. This forces them to rely on each other, and from that, feelings start to grow. Naruto's kind heart also plays a role. He sees the female Kyuubi not just as a powerful being, but as someone with feelings, which makes her open up to him.
In such fanfiction, their relationship often develops through mutual respect. Naruto no longer sees Kyuubi just as a source of power but as a friend. Kyuubi, in turn, starts to value Naruto's determination and kindness. They might have heart - to - heart conversations in Naruto's mindscape, sharing their past traumas and hopes for the future.
At first, their relationship might be based on mutual need. Naruto, being the one who wants to right the wrong of her banishment, and the Fem Kyuubi, who may need someone to help her. As they spend more time together, they start to understand each other better. Naruto sees the Fem Kyuubi not just as a powerful being but as a sentient individual with feelings. The Fem Kyuubi, in turn, realizes that Naruto is different from the others who feared or hated her. This understanding gradually turns into a deeper emotional bond, which could develop into love over time.
The development of their relationship would be full of twists and turns. Naruto is a hero, and the fem Kyuubi is a powerful entity. In the female world, social dynamics might be different. Naruto could initially be confused by the fem Kyuubi's presence and her femininity. But as he gets to know her better, he'll realize that she's not so different from the Kyuubi he knew in some ways. They could start to trust each other gradually. For example, they might team up to face challenges in the female world together, which would strengthen their bond over time.
In many fanfictions, it starts with Naruto's curiosity about the female Kyuubi. He tries to communicate with her, and she is initially hostile. But as Naruto shows his good intentions, like not fearing her power, the relationship begins to change. For example, in 'Naruto's Kyuubi Encounter', Naruto offers her a part in his life outside of being just a source of power. This makes the female Kyuubi start to see him in a new light.
The relationship development can also be influenced by external factors. If the village starts to view Naruto's connection with the Kyuubi in a more positive light, it can ease the tension between them. This allows for more open communication and deeper training sessions. Eventually, they might reach a point where they are like comrades, fighting side by side not just physically but also in terms of their shared goals for the village and the ninja world.
Well, in some versions, it might start with the fem Kyuubi having some sort of vendetta against Naruto. Maybe she blames him for something that happened in the Naruto universe. Then she uses her powers to torture him in various ways, like mental torture by showing him his worst fears or physical torture by using her chakra in a harmful way. However, this is all very dark and not in line with the general positive theme of the Naruto series.