First, think about how Lincoln's character would change. As a girl, she might have different interests or ways of interacting with her family. You could start by making a list of these changes. For example, if she's a girl, she might be more into fashion or have different friendship groups. Then, come up with a plot. Maybe she enters a beauty pageant in the Loud family's town and has to deal with the competition and her family's expectations.
One popular 'Lincoln Loud is a girl' fanfiction might be the one where she navigates through the challenges of being a girl in a large family. In this story, she could face different expectations from her siblings compared to when she was a boy in the original series. It could show her trying on new clothes, getting involved in different activities that are more typical for girls in the show's universe, and having new kinds of relationships with her sisters.
Well, one possibility is that he would have to deal with the different social expectations for girls. He might start noticing how girls are treated differently in school, like in gym class where the activities for girls could be very different from what he was used to as a boy. Also, his relationships with his sisters would change in new and interesting ways. For example, his sisters might start including him in more of their 'girl - only' activities, like having a spa day or sharing fashion tips.
There could be many fanfiction ideas involving the Loud family, Lincoln, and Rita. For example, a story could focus on Lincoln's adventures with his family members, and Rita could play a supporting role as a loving mother. Maybe Lincoln discovers a hidden talent of one of his siblings and with Rita's encouragement, they all work together to make it shine.
One possible plot could be that they meet in an unexpected place, like a community event in their town. Girl Jordan catches Lincoln's eye with her unique charm. As they start to get to know each other, they find out they have a lot in common, such as a love for adventure. Their relationship develops slowly, facing some small challenges from their families and friends who are initially skeptical. But in the end, they realize they are meant to be together and get married in a beautiful ceremony surrounded by their now - accepting loved ones.
One possible fanfiction could be about Lincoln becoming a big brother when Rita has a new baby. He could have all sorts of adventures trying to help out around the house and with the new baby. Maybe he tries to teach the baby some of his cool tricks or shows the baby his favorite comic books.
A great Lincoln Loud fanfiction could involve Lincoln time - traveling. He goes back in time to when his parents first met and tries to make sure they still end up together, all while trying not to change too much of the past and accidentally erase his own existence.
Maybe it's a new villain in Royal Woods. This person could be jealous of Lincoln's leadership skills within his friend group. So, they kidnap him to try and undermine his confidence and make his friends turn against him. They believe that without Lincoln, the group will fall apart and they can take over as the new 'leader' in the neighborhood.
A possible plot could be that Lincoln is kidnapped by a mysterious figure who has a vendetta against the Loud family. The kidnapper takes Lincoln to a remote location. Lincoln, being the brave character he is, tries to figure out the kidnapper's motives while also looking for an opportunity to escape. Meanwhile, his sisters and parents are following every lead they can find, from Lincoln's friends to any strange activity in town. The fanfiction could build up the tension as Lincoln tries to outwit the kidnapper and his family races against time to find him.
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.