One idea could be that Jacob and Renesmee, as humans, have to hide their relationship from the vampire community who might not approve. They could go on adventures together, exploring the human world that Renesmee has just discovered. Another plot could involve them facing some sort of human danger, like a natural disaster or a group of bad humans, and having to rely on each other's unique skills to survive. Jacob's werewolf - like instincts might still be there in a more human way, and Renesmee's special abilities could also play a role in protecting them.
One interesting plot idea could be Jacob teaching Renesmee about the werewolf culture. Since she's part vampire and part human, she might be curious about the werewolves. Jacob could show her how they communicate within the pack, their traditions, and how they protect their territory. This would create a unique bond between them as she learns more about his world.
One plot idea could be Renesmee and Jacob going on a secret adventure away from the rest of the Cullen family and the werewolf pack. They discover a hidden place in the forest that has some kind of magical or ancient power. Another could be them facing a new threat together that neither the vampires nor the werewolves have encountered before, and they have to use their unique bond to overcome it. A third idea is that Renesmee starts to develop some new abilities that she doesn't understand, and Jacob is the only one she trusts to help her figure them out.
Perhaps a story where Renesmee gets into some trouble with a group of vampires who don't accept her existence, and Jacob has to fight to protect her. This could involve some intense battles and also show the depth of Jacob's love for Renesmee as he risks his life for her.
Perhaps they kiss in secret at first. Then Renesmee starts to have strange powers emerging because of the strong emotions from their relationship. Jacob is worried about how this will affect Renesmee and tries to find a way to control or understand these new powers. It could lead to a journey of discovery for both of them.
One idea could be Jacob and Renesmee going on a journey to discover more about Renesmee's unique abilities. They could encounter other supernatural beings along the way who either help or hinder them.
One interesting plot idea could be Renesmee growing up and facing the challenges of being a half - vampire in the human world. Maybe she tries to fit in at school but her special abilities keep getting in the way. Another could be Edward's struggle to protect Renesmee from the Volturi while also allowing her to have a normal life. For example, he has to decide how much to shelter her from the vampire world's politics.
Well, perhaps the fanfic could focus on how their relationship changes during the pregnancy. Jacob might become even more protective of Renesmee. And they could also be worried about the future of their child, given their special natures. They may seek advice from the older and wiser members of their clans.
Well, Jacob and Renesmee are the stars of this type of fanfiction. But there are also some original characters that fans create. These new characters can be friends or foes to Jacob and Renesmee. For example, a human girl who has a crush on Jacob and causes jealousy issues between him and Renesmee. Or a wise old man who has knowledge about the Twilight world's secrets and helps them on their journey. These original characters can add a new flavor to the fanfiction and sometimes become quite popular among readers.
One idea could be that Angela discovers Jacob's werewolf secret in a very unexpected way. Maybe she stumbles upon him while he's in wolf form in the forest and instead of being afraid, she's intrigued. This could lead to a unique friendship where Angela helps Jacob understand the human world better from an artistic and sensitive perspective that she has.
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.