One idea could be that Lincoln has a school project and Ms. DiMartino becomes his mentor in an unexpected way. Maybe she discovers a hidden talent of his that he didn't know he had. For example, she could find out that he has a great aptitude for art when he was just thinking of himself as an average student in that area.
A possible plot is that there's a school event coming up, like a fair or a competition. Ms. DiMartino enlists Lincoln's help to organize it. Along the way, they face various challenges, such as lack of funds or difficult students to manage. Through this process, Lincoln learns a lot about responsibility and leadership from Ms. DiMartino, and she in turn learns about the creativity and determination of the younger generation from Lincoln.
Another plot could be that Ms. DiMartino assigns a very difficult task to the class, and Lincoln is the only one who really tries to understand it from a different perspective. This could lead to a series of interactions between them where she starts to see him as a very special student, not just like the others. They could then form a unique bond based on mutual respect for his out - of - the - box thinking.
Their relationship could start off as a typical student - teacher one. But then, if Lincoln gets into some kind of trouble at school, not like bad trouble but more like a misunderstanding. Ms. DiMartino could be the one to believe in him and help him clear things up. This would make Lincoln see her as more than just a teacher, but as someone who really cares about him.
Another plot could involve a mystery in the neighborhood. Lincoln and Haiku team up to solve it. Along the way, they face challenges like false leads and people not believing them. But their determination and growing friendship help them to keep going until they solve the mystery.
Some fanfiction may take a more fantastical route. Maybe there's a magic element in the school, and Lincoln and Ms. DiMartino are the only ones who can solve a mystery related to it. Their interactions during this adventure would be the focus, with their personalities shining through as they face challenges together.
One idea could be Lincoln getting involved in a mystery at his school. Maybe some important items go missing and he uses his wits to solve it. Another could be a story where Lincoln discovers a hidden talent within his family that no one knew about before. For example, he might find out that one of his sisters has an amazing musical talent that she's been too shy to show, and he helps her gain confidence to perform.
One idea could be that Lincoln accidentally gets involved in one of his sisters' school projects and they end up having to present it together. It would be full of comical moments as they try to blend their different styles and ideas. And in the end, they learn to appreciate each other's creativity more.
Some fanfictions have the idea of Lincoln having superpowers. It's a unique take as it shows how he would use these powers in the context of his family and the town. For example, he might use them to protect his sisters from danger or to solve local problems.
One idea could be that they team up for a school project and end up exploring parts of their town they've never seen before, which leads to a new friendship. Another could be that they both enter a local talent show and help each other overcome their stage fright. A third could be that they accidentally switch backpacks and through the process of returning them, they learn more about each other's interests.
A fanfiction could focus on a time - traveling adventure. Maybe Lincoln accidentally activates a time - travel device and he and some of his siblings end up in the past, meeting their parents when they were kids. They'd have to figure out how to get back to their own time while also not changing the future too much.
In a 'lincoln loud time travel fanfiction', he could travel to an ancient civilization. There, he discovers that the Loud family has some long - lost connection to this civilization. He might have to use his modern - day knowledge and skills to solve a problem that the civilization is facing. This could involve things like helping them with a water shortage problem using his knowledge of basic plumbing. Along the way, he makes new friends and learns about the values and traditions of this ancient culture, which he then brings back to his own time to share with his family.
You can start by looking on fanfiction - specific websites like Archive of Our Own (AO3). It has a large collection of fan - created works, and you can search for Lincoln x Ms. DiMartino fanfiction there using relevant tags.