In a fanfiction, the story could start with Naruto being confused by the female Kyuubi's new form. But soon, he discovers that she has different abilities compared to when she was just pure power. They could go on quests to find ancient artifacts that are related to the Kyuubi's history. Along the way, they meet other characters who either oppose or support their relationship. This makes their journey full of twists and turns as they navigate through the shinobi world together.
The story might progress as the female Kyuubi starts to take an interest in Naruto's dreams for the future of the shinobi world. She could use her power to help him achieve his goals, like bringing peace among the villages. Naruto, on the other hand, would try to protect her from those who fear her power. As they do this, they would grow closer, sharing their hopes and fears. Their relationship could also influence other characters in the Naruto universe, leading to new alliances and rivalries.
The story could progress with the village trying to subdue Naruto. They might call on all their strongest ninja, like Kakashi or even the Hokage. Meanwhile, Naruto could be on a rampage, causing destruction everywhere.
In the fanfiction, the female Kyuubi could be reincarnated into a human form. Naruto, being the only one who knows her true identity, has to protect her from those who would harm her. Anko gets involved when she notices Naruto's strange behavior. As they try to keep the female Kyuubi's identity a secret, they end up in a series of comical and dangerous situations. Eventually, they all become good friends and work together to fight against a common enemy that threatens the safety of their village.
The characters from RWBY could be initially afraid of the Kyuubi due to its powerful and somewhat menacing appearance. However, Naruto (if he also comes through with the Kyuubi) could act as a mediator, explaining the Kyuubi's power and how it can be used for good. For example, Weiss might be skeptical at first but then see the potential in combining her Dust powers with the Kyuubi's chakra.
It could be an original character created by the fanfiction author. This character might be a descendant of the original Kyuubi, but with a female form and her own distinct personality.
To make the story unique, the author could focus on the relationship between Naruto and the female Kyuubi in a way that hasn't been explored before. For instance, instead of a typical master - servant relationship, they could have a more equal partnership where they learn from each other. The addition of Amaterasu could be used to create new power dynamics. Maybe the female Kyuubi has an unexpected reaction to Amaterasu that changes the course of the story.
The story could progress with Naruto facing new and more powerful enemies. Since he has merged with Yami Naruto, his power level has increased, and this would attract stronger foes. He might also go on a journey to better understand and control his new powers.
In 'Naruto x Female Kyuubi' fanfiction, the romance can be quite interesting. Usually, it might involve Naruto seeing the female Kyuubi in a new light. He could start to understand her better beyond just being the nine - tailed beast. Their relationship might develop as they face common enemies together or during Naruto's training sessions where he has to interact more closely with the Kyuubi's power which is now in a female form.
You can start by looking on fanfiction websites such as Archive of Our Own (AO3). There are often specific tags for different pairings like 'female Naruto' and 'female Kyuubi'. Many authors explore this unique pairing there, and you can filter the results to find exactly what you're interested in.
If Naruto fused with Majin Buu in fanfiction, the story might start with the fusion's initial confusion about its new powers and identity. As it tries to figure things out, it could attract the attention of various villains who see it as a threat or an opportunity. The story could then be about the fusion's journey to master its powers and find its place in the world while dealing with these antagonists.
In a fanfiction where Naruto becomes Darth Raven, the story's progression would be full of twists. Naruto, now with his new identity, could start to influence the political landscape of the ninja world. He might use his newfound dark powers to manipulate leaders or disrupt existing power structures. His friends, especially those closest to him, would be torn between loyalty and the need to stop his potentially destructive actions. The story could also explore how Naruto's transformation affects the balance of power between the different ninja villages. For example, some villages might see an opportunity to use his new power for their own gain, while others would be desperate to put an end to his reign of darkness. Additionally, Naruto's internal struggle with his new self could be a central theme, with flashbacks to his old self and the values he once held, creating a complex and engaging narrative.