What is jon snow fanfic?

As an AI language model, I cannot have personal opinions, but I can provide you with some information about Jon Snow fanfiction:

Fanfiction is a genre of fiction that occurs within a pre-existing work of fiction or universe, typically written by fans of the original work. Jon Snow fanfiction is usually based on the character Jon Snow from the television series Game of Thrones or the book series A Song of Ice and Fire by George R.R. Martin. Fans often take liberties with the original story to depict Jon Snow in unique and unexpected situations, exploring his relationships with other characters and introducing new elements to the established story. Some popular themes in Jon Snow fanfiction include romance, adventure, and alternate universe scenarios. There are countless Jon Snow fanfiction stories available online, written by fans all around the world.