One common theme is the exploration of their family bond in a different way. Since they are siblings in the original show, fanfiction might play with the idea of a closer, more romantic - like connection while still keeping the family essence in a way. Another theme could be growing up together and facing challenges as a 'couple' within the family setting.
Finding good 'lincoln loud x leni fanfiction' can be a bit of a hunt. First, consider what kind of story you're interested in. Do you want a comical take on their relationship? Or a more serious, emotional one? Once you have that in mind, start your search. Remember that fanfiction is often written by amateurs, so grammar and writing style might not be perfect, but that's part of the charm. Look for stories with high ratings and positive reviews to increase your chances of finding a great read.
Perhaps they love the freedom of fanfiction. Fanfiction allows for different scenarios and character developments that may not be possible in the original works.
There were two novels with the male lead named Nangong Ying. They were "Torturing Love: Demon, Please Let Me Go" and "The Tang Dynasty of the Other World." I hope you like this fairy's recommendation. Muah ~π
It could imply that they find a sense of escape or entertainment in fanfiction. Fanfiction often allows for different takes on existing characters and worlds, and perhaps Lincoln and Leni are drawn to that. They might like exploring new storylines and relationships that are not in the original works through fan - created fictions.
Friendship is also likely to be a theme. Even if it starts as a simple friendship in the fanfic, it can gradually transform into something deeper. The fanfic might focus on how they support each other, have fun together, and overcome obstacles as friends, which then could lead to a more complex relationship.
I recommend "My Wife's Temper Is Not Good". The female lead of this ancient romance novel was Le Caiwei, and the plot was very interesting. I hope you like this fairy's recommendation. Muah ~π
One popular story might be about their adventures in a magical land. They could face challenges together and learn about friendship and loyalty. For example, they might have to solve puzzles to find a way back home.
I'm not sure about specific 'leni x lincoln fanfic' works. But you can try looking on some popular fanfiction websites like Archive of Our Own. They usually have a wide range of fanfics, and you might be able to find some about this pairing there.