A good ending could be that the female Kyuubi overcomes her jealousy. She realizes that Naruto values both her and Sakura in different ways. So, she becomes friends with Sakura. They all work together to protect the village. Naruto is happy to see them getting along and they all live in harmony. It's a simple but positive ending.
The story could end with the female Kyuubi sacrificing herself to save Sakura from a great danger. This act of selflessness makes Sakura see her in a new light and they develop a deep respect for each other. Naruto is also proud of the Kyuubi for her change. In the end, they all continue to fight for the village with a new understanding and friendship among them. This ending shows growth and redemption for the Kyuubi character.
Well, the story might end with the female Kyuubi and Sakura both confessing their feelings to Naruto. Naruto, in turn, tells them that he cares for them both as friends. He explains that they all have a special bond as comrades. This makes the Kyuubi and Sakura realize that their jealousy was unfounded. They then focus on their own growth and the betterment of the village. They become strong female characters who support each other, with Naruto as their mutual friend and ally.
In the fanfiction, Fem Kyuubi could be jealous of Naruto's relationships. Naruto has strong bonds with his friends like Sasuke and Sakura. Kyuubi, being trapped inside Naruto for so long, might envy those connections. She could try to interfere in Naruto's friendships by whispering negative thoughts in his mind during their interactions, hoping to drive a wedge between them.
A plot could be that the female Kyuubi, in her jealousy, starts whispering negative thoughts into Naruto's mind about Sakura. This causes Naruto to be a bit more distant from Sakura, which in turn makes Sakura confused and determined to find out what's going on. Meanwhile, the female Kyuubi is trying to get closer to Naruto by showing her more gentle and caring side. Maybe she even tries to learn some of Sakura's skills, like cooking, to impress Naruto. As the story progresses, Sakura might start to suspect the Kyuubi's influence and there could be a showdown between them, not in a physical fight but more of a battle of wits to win Naruto's heart.
A possible plot is that Fem Kyuubi is jealous of Naruto's relationship with the Hokage. The Hokage might see Naruto as a symbol of hope and invest a lot of time and resources in his training. Kyuubi, feeling neglected in comparison, could start spreading rumors in the village about Naruto having some dark secrets related to her power. This would lead to a situation where Naruto has to prove his innocence and also deal with the villagers' changing attitudes towards him.
It could end with Sakura fully accepting Hinata and Naruto's relationship. She realizes that her jealousy was unfounded and that she is happy for them. She might even become one of their biggest supporters.
In Naruto fanfiction, fem Kyuubi and fem Bjiuux can be portrayed in many ways. They might be given more emotional depth, such as being more empathetic. Their physical appearance could be a blend of femininity and the wildness associated with the original characters. They may also have different abilities or a different way of using their existing abilities. For instance, they could use their chakra in a more subtle and strategic manner.
There could be a fanfiction where Fem Naruto discovers a hidden side of Fem Kyuubi. Maybe Fem Kyuubi has some memories or powers that were locked away and Fem Naruto helps her unlock them. This could set off a chain of events that not only changes the relationship between them but also has a major impact on the entire ninja world as they face new threats and opportunities together.
When writing the Fem Nibi and Fem Kyuubi characters in a Naruto fanfic, start with their core identities. The Fem Nibi could be portrayed as more of an enigma, with a calm exterior but a complex inner world. The Fem Kyuubi, being a symbol of great power, can be written as confident yet also a bit lonely. In relation to Naruto, show how they are drawn to his unwavering spirit. For example, the Fem Nibi might be intrigued by Naruto's ability to see the good in everyone, and the Fem Kyuubi might admire his tenacity. Their character arcs should be about not only their relationship with Naruto but also their own self - discovery within the context of the ninja world.
It depends on what you consider 'well - written'. There could be fanfics with this theme that have great character development for Naruto and Fem Kyuubi. They might also have engaging plots that draw readers in, but it can be subjective as different people have different tastes in writing styles.
In this type of fanfiction, the fem Kyuubi's possessiveness might be manifested in her protecting Naruto at all costs. She could be overly vigilant and not allow any harm to come near him. This could lead to her interfering in battles or situations where Naruto might be in danger, even if he doesn't necessarily need her help all the time. She may also try to monopolize his time, not wanting him to go on missions with other people or make new friends. Her possessiveness could also be expressed in a more emotional way, like getting sulky or angry when Naruto doesn't pay enough attention to her.
In many fanfictions, Fem Naruto might show kindness towards the Kyuubi. This kindness could be something the Kyuubi has never experienced before. For example, instead of just seeing it as a source of power, Fem Naruto might try to understand the Kyuubi's past and pain. This could lead to the Kyuubi gradually opening up to her and them developing a deeper bond.