One common theme is the exploration of their unlikely friendship or relationship. Given their differences as a werewolf and a vampire in the original story, fanfiction often focuses on how they can overcome these barriers. Another theme is the idea of redemption. They might have to atone for past actions towards each other. For example, if they were rivals before, they now seek to make up for it.
The theme of sacrifice is also prevalent. They could be in a situation where one has to sacrifice something for the other's well - being or for the sake of their relationship. Also, self - discovery is a big part. As they interact more closely, they learn more about themselves and their capabilities. In many fanfictions, they discover new sides of their personalities that were not evident in the original story due to their animosity towards each other.
Another theme is secrecy. Since their relationship is not something that would be accepted easily in the Twilight world, they often have to keep it a secret. This can lead to a lot of drama and tension in the fanfiction. There are also themes of self - discovery. As they explore their relationship, they also discover new things about themselves, like their capacity for love and acceptance in ways they didn't expect.
The theme of acceptance is also quite prevalent. In these fanfics, they learn to accept each other's differences, whether it's Jacob's wolf nature and Edward's vampire nature. And often there's a theme of redemption, like one of them trying to make up for past mistakes in their relationship.
Often, there are themes related to forbidden love. Since Jacob and Edward are from different 'sides' in the original narrative, their relationship in fanfic can be seen as something that goes against the norm. In lemon fanfic specifically, this forbidden aspect can add an extra layer of intensity to their romantic or sexual encounters. There might also be themes of self - discovery, as they learn more about themselves through their relationship with each other.
One common theme is rivalry turned friendship. Given their initial animosity in the Twilight series, many fanfictions explore how they might overcome their differences and become friends or even more. Another theme is the protection of Bella. They both care about her deeply in the original story, and in fanfictions, this can lead to situations where they have to work together for her sake.
The theme of self - discovery is also present. As they enter into this unexpected relationship, both Edward and Jacob may have to re - evaluate their identities and loyalties. This can be a very interesting aspect of the lemon fanfictions, as it adds depth to their relationship beyond just the physical aspects.
Love triangles are a very common theme. Since Bella is torn between Jacob and Edward in the original story, this often gets explored further in fanfiction.
One common theme is the idea of overcoming differences. Since Edward is a vampire and Jacob is a werewolf, their different natures create a lot of tension which they have to overcome in most fanfictions. Another theme is the power of love and how it can bridge the gap between two very different beings. Also, the concept of loyalty often comes up as they have to be loyal to each other and their new relationship in the face of opposition from their respective groups.
A recurring theme is the concept of loyalty. Fans often write about how Edward and Jacob are loyal to their own kind and how that loyalty affects their relationship with Bella. Additionally, the idea of sacrifice comes up. Whether it's Edward being willing to sacrifice his own happiness for Bella's safety or Jacob making sacrifices in his own way for her. There are also fanfictions that focus on the cultural differences between the vampires and werewolves, which adds another layer to the Edward vs Jacob dynamic.
A lot of these fanfictions also have the theme of sacrifice. Both characters may have to sacrifice certain things in order to make the relationship work. For example, they might have to sacrifice their old grudges or their pre - imprinting plans. And the theme of self - discovery is also there. Through this new connection, they learn more about themselves.
The theme of self - discovery for Bella is also common. Through her relationships with Edward and Jacob, she often discovers more about herself, her desires, and what she truly wants in life. For example, in some fanfictions, she realizes that she has more strength and independence than she initially thought while dealing with the two very different men in her life.