There might also be some original characters created specifically for the fanfiction. These could be other humans who know about Lincoln's secret or other supernatural beings that are related to the vampire lore in the story.
One idea could be a story where Lincoln and Lola have to team up for a school project. At first, they bicker as usual because of their differences. But as they work together, they start to understand each other better. For example, Lincoln realizes that Lola is not just a pageant - obsessed girl, and Lola sees that Lincoln has his own insecurities and strengths.
Yes, there are. You can find some on fanfiction websites. For example, some might explore Lincoln's relationships with the female characters in unique ways, like his adventures with his sisters in a different setting or a story where he teams up with a female character for a school project and they face various challenges together.
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.
Perhaps in this fanfiction, Lincoln is kidnapped by an alien who is fascinated by human behavior. The alien takes Lincoln to their spaceship. Lincoln is initially scared but then starts to learn about the alien's culture. His sisters, on Earth, figure out something is wrong and start looking for clues. Eventually, they manage to communicate with the alien and get Lincoln back.
Well, in the world of 'Loud House Lincoln Hurt' fanfictions, you can find ones where Lincoln gets hurt in a sports accident. Maybe he breaks his leg during a soccer game and has to deal with the disappointment of not being able to play for a while. Then there are those that deal with social hurt. He could be excluded from a group of friends at school, and the fanfiction shows his journey of finding new friends or mending the broken relationships. Additionally, there are fanfictions where he gets hurt in a family argument and then the process of reconciliation within the family is explored.
It could be an angry neighbor who has always been annoyed by the Loud family's chaos. They see Lincoln as the main troublemaker (even if he isn't) and decide to kidnap him to teach the family a lesson.
Some dedicated Loud House fan forums might also be a good place to find such fanfiction. These forums often have sections for sharing and discussing different types of fan - created stories. Members might be able to point you in the right direction if they know of any stories involving Lincoln Loud and Ms. Dmartino with a lemon theme.
There's also a fanfic where Lincoln discovers he has vampire heritage. In this story, he struggles to keep it a secret from his large family while also exploring his new powers. It's an interesting take on the character as he tries to balance his normal life with this new, supernatural side.
There are also some niche fanfiction aggregators that might have Loud House content. However, you need to be careful when using these as not all of them are reliable or legal. But if you're lucky, you might find some unique female - Lincoln fanfiction on them. Another option is to simply do a Google search with specific keywords like 'Loud House female Lincoln fanfiction' and see what comes up.