A possible theme could be the struggle between light and dark. Elena is often associated with the 'good' side, while Klaus is more on the 'dark' side. In a fanfiction where they have an intimate relationship, it could be about how they navigate the differences in their natures. Another theme might be acceptance. They both have to accept each other's flaws and pasts in order to fully embrace their relationship, and this could be explored through their physical connection and the events leading up to it.
One possible theme could be the power dynamics between them. Given Klaus's powerful nature and Elena's own strength as a character, their relationship in such a fanfiction could explore how power affects their love and physical connection. Another theme might be redemption. Klaus has a rather dark past, and a fanfiction could show how his relationship with Elena in this context is part of his journey towards redemption.
I'm not sure if there is a specifically highly recommended 'Klaus and Elena make love' fanfiction. Fanfiction can vary greatly in quality and content. You might want to check on popular fanfiction websites like Archive of Our Own and search for such stories. However, it's important to note that some fanfictions may not adhere to the original spirit of the characters or may have content that not everyone will be comfortable with.
Well, a prevalent theme is the idea of fate and how they are drawn to each other despite all the odds. Also, the theme of secrecy and the forbidden love aspect is quite common. Since Elena is part of the Mystic Falls gang and Klaus is an enemy in many ways, hiding their relationship from others is often explored in these fanfictions. And of course, there's the theme of sacrifice, where either Elena or Klaus has to sacrifice something for their love.
One possible theme could be the exploration of self - discovery. As they get closer in this way, they might learn more about themselves. Another theme could be the breaking of social or cultural barriers within their fictional world.
Well, apart from the forced love aspect, there could be themes of sacrifice. One of them might have to sacrifice something important for the sake of the relationship. Trust issues are also common. Since the love is forced at the start, they may struggle with trusting each other. And there could be a theme of transformation. The characters might change and grow as a result of this forced relationship, either for the better or worse.
One common theme is the struggle against the judgment of others. Since Klaus has a rather dark past in the supernatural world, many fanfictions show how Elena and Klaus deal with the disapproval of their friends and family regarding their marriage.
Another theme is loyalty and betrayal. Given their complex relationships and the world they live in, there are often situations where loyalty is tested. For example, Elijah's loyalty to Klaus might be put to the test because of his feelings for Elena. And vice versa, Klaus might feel betrayed if Elijah gets too close to Elena.
Love and passion are common themes. Writers often focus on the intense emotions that Stefan and Elena have for each other. Another theme could be redemption. Maybe one of them has made mistakes in the past and through their love, they find a way to redeem themselves.
Well, there are themes related to secrecy and discovery. The idea of one partner finding out about the cuckolding situation and how they react is a common thread. Another theme could be the exploration of different sexual identities within the context of this non - traditional relationship setup.
Well, in a 'klaus and elena fall in love fanfiction', perhaps Elena is in a difficult situation where Klaus is the only one who can help her. He does so reluctantly at first, but during the process, they discover they have a lot in common. Their shared experiences, like dealing with loss in their own ways, bring them closer and love blossoms.
One possible Klaus and Elena love story fanfiction could be that after many battles and misunderstandings, Klaus realizes Elena's strength and kindness. He starts to protect her secretly. Elena, initially afraid of Klaus, gradually discovers his vulnerable side. They meet one night under a full moon, and Klaus confesses his feelings. Elena is hesitant at first but then gives in to the unexpected connection between them.