Perhaps a plot where Jacob and Rosalie are forced to go on a journey together. During this journey, they face various challenges that test their limits. They might have to rely on each other's unique abilities to survive. For instance, Rosalie's super strength and speed could help in some situations, while Jacob's ability to transform into a wolf gives them an edge in others. Along the way, they develop a friendship that was unthinkable at the start.
One interesting fanfiction could be about Jacob and Rosalie forming an unlikely alliance to protect the Cullen family from a new threat. They put aside their differences and use their unique abilities to fend off the danger.
In twilight Rosalie and Bella fanfiction, a great plotline could be Rosalie helping Bella adjust to her new vampire life in a more motherly way. Since Rosalie has been a vampire for a long time, she has a lot of knowledge and experience. Maybe she could help Bella with controlling her new powers and dealing with the emotional changes. There could also be a plot where they go on a journey together, away from the Cullen family for a while, to discover more about themselves and their place in the vampire world. This journey could bring them closer and make them see each other in a whole new light.
Well, a common plotline is that they discover their mate bond in a rather unexpected way. For instance, in some fanfictions, there could be a magical event or a prophecy that reveals they are mates. Once they realize this, they have to deal with the complex emotions that come with it. Rosalie, who has always been protective of her family and had a certain image, might struggle with accepting her feelings for Bella. And Bella, who has been through so much with the Cullens already, now has to navigate this new relationship dynamic. It could also lead to some interesting power dynamics within the Cullen family as they adjust to Bella and Rosalie being mates.
One interesting plotline could be Jacob and Leah teaming up to protect the tribe in a way that was not shown in the original series. Maybe they discover a new threat together and have to use their unique abilities to fend it off.
One interesting plotline could be Emmett and Rosalie going on a secret adventure away from the Cullen family. This would test their relationship and show their independent sides. Another could be a story where they face a new vampire threat together and their love strengthens as they fight side by side. Or perhaps a plot where they have to deal with a human who discovers their secret and they have to figure out how to protect themselves and the human without breaking the vampire laws.
Some common plotlines for Rosalie as a young girl in Twilight fanfiction involve her dreams and aspirations as a human. For example, she might have wanted to be a famous model or actress, and the fanfiction could explore how that was cut short by her transformation. Also, her family dynamics before becoming a vampire are often explored. Maybe she had a difficult relationship with a family member, or she was the beloved daughter. And of course, the story of how she was turned, the events leading up to it and her immediate reaction afterwards are frequently part of the plotlines.
Their relationship could start off rocky. Jacob has always had a bit of a temper, and Rosalie is not one to back down easily. But as they interact more, they might find common ground. Maybe it begins with a grudging respect for each other's loyalty to their own kind. As time passes, they could start to see the good in each other beyond their species differences. For example, Jacob might admire Rosalie's fierce protectiveness of her family, and Rosalie could come to appreciate Jacob's straightforwardness.
A common plotline could be Jacob teaching Renesmee about the wolf pack and their ways. Renesmee, being curious, wants to learn more about the world around her. Jacob takes on the role of teacher, sharing the traditions, values, and powers of the pack. This can lead to interesting adventures as Renesmee tries to understand and maybe even incorporate some of those elements into her own life.
She could also be a key figure in a battle against a new threat to the vampire community. Some powerful and evil force could emerge, and she has to use her wits and any special abilities she might have to lead the fight. This would show her growing into a strong and independent character, much like her parents, but also carving out her own identity within the story.
A fanfiction could be set in an alternate universe where Jacob and Rosalie are both students in a prestigious art school. Jacob is into more rugged and earthy forms of art, while Rosalie is drawn to the refined and classical styles. Their clash of artistic visions at first leads to rivalry, but eventually they inspire each other to create new and unique art forms.