I'm not sure specifically what 'andi31 fanfic' is about as the name is rather ambiguous. It could be a fanfic written by someone named Andi, perhaps with some personal or unique themes related to their own interests or a particular fandom they are part of.
Well, if we consider the characters from 'Andi Mack', Andi and Bex have a complex relationship. Bex is Andi's sister, and they have a lot of storylines that involve growing up, dealing with family secrets, and supporting each other. So 'andi mack bex and andi' might be centered around their shared experiences, like how they navigate through school, relationships with other characters, and the changes in their family dynamic over the course of the series.
I'm not sure specifically which ones are the 'best' as it depends on personal taste. However, many fanfic writers pour their creativity into exploring different relationships in the Andi Mack world, including gay ones. You could also try joining Andi Mack fan groups on social media and asking for recommendations. That way, you can get suggestions from other fans who might have similar interests.
Some 'andi and amber fanfic' might also have themes of mystery. Maybe there's a mystery in their world that they have to solve together. Or there could be themes related to school life, like dealing with school projects, exams, and the social hierarchy within the school while maintaining their relationship.
There is also 'Andi and the Mysterious Artifact'. In this fanfic, Andi stumbles upon an ancient artifact that holds a great power. The story follows Andi's journey to figure out the origin and purpose of the artifact while facing challenges from those who want to use it for evil.
I'm not sure where to find 'andi31 fanfic' exactly. It could be on some specialized fanfic websites like Archive of Our Own or FanFiction.net. But it also might be on a personal blog or a smaller, more niche fanfic community site.
A fanfic might focus on Andi Cruz's family relationships. Maybe she discovers a long - lost relative and has to deal with the new dynamics it brings into her life. This could lead to her learning more about her family history and growing as a person through the experience.
First, think about the character of Andi. What are their personality traits? Are they brave, kind, or curious? Then, come up with a basic plot idea. It could be something like Andi going on a quest or facing a personal problem.
You can start by looking on fanfiction websites like Archive of Our Own. There are often a lot of user - generated stories about various characters, including Andi and Emilia.
Archive of Our Own (AO3) is a great place to start. It has a large collection of fanfics from various fandoms, including Andi Mack. Just use the search function and type in 'Andi Mack gay' and you'll see a bunch of relevant stories.