One common theme is friendship. Many fanfics focus on how Bella and Rosalie can become friends despite their initial differences. Another theme is self - discovery. They often help each other to understand themselves better.
In Rosalie and Bella mates fanfiction, Rosalie's character development could involve her letting go of her past traumas more easily with Bella's presence. She becomes more forgiving and less bitter. Bella's development could be quite complex. She might grow to have a more nuanced view of the vampire world. She could start to question some of the things she once took for granted. Their relationship forces them both to look at themselves and grow in ways they hadn't expected.
One common theme is the struggle for acceptance. Since their relationship might be seen as unusual in the context of the story's world, they often have to fight against the opinions of others. Another theme is the discovery of love. They realize their feelings for each other gradually and it's a journey of self - discovery too.
There's also 'A New Beginning for Rosalie and Bella'. This fanfic focuses on a post - Twilight scenario where Rosalie and Bella decide to explore their relationship more freely. It's a story full of hope and new beginnings, exploring how they navigate the challenges of being in a relationship that is not traditional in the context of the Twilight world.
The contrast between the two characters makes it interesting. Rosalie is strong - willed, vain and has a past full of pain, while Bella is more introverted yet stubborn. Their different personalities create a lot of potential for conflict and growth in a fanfic.
Their personalities interact in various ways. Rosalie, being proud and protective, might initially be overbearing towards Bella. However, as time passes, she realizes that Bella has her own strength. Bella, being gentle and curious, might be intrigued by Rosalie's confidence. She may start to imitate some of Rosalie's behavior in a positive way. Also, their different approaches to relationships, with Rosalie being more guarded and Bella more open - hearted, can lead to interesting conversations and developments in the fanfiction.
Edward Cullen is often a popular character in these fanfictions. Since he has a close relationship with Bella in the original story, his role can be further explored in relation to Rosalie and Bella's relationship. Another one could be Alice Cullen. Her ability to see the future can add an interesting dynamic, especially when it comes to predicting things that might affect Rosalie and Bella's friendship or any adventures they might go on.
There's a fanfic called 'Shared Secrets'. In this story, Bella and Rosalie find themselves sharing secrets that no one else in their world knows. It's a really interesting take on their relationship as it shows a side of them that is more private and intimate, not just related to the main plot of the Twilight series. There are also some great character developments in it.
Rosalie in GP fanfiction often plays the role of the protective sister - like figure. She has her own opinions and is not afraid to voice them. Bella, in contrast, is more of the newcomer trying to find her place. Rosalie might initially be cold towards Bella, but she gradually warms up as she realizes Bella's importance to the family.
One great male Bella and Rosalie fanfiction is 'A Different Perspective'. It shows a unique relationship between them where male Bella brings a new dynamic to the story. He's not the typical Bella we know, and his interactions with Rosalie are filled with tension and unexpected alliances.