Well, it depends on what kind of Jay and Nya love fanfiction you like. If you prefer more angsty stories, there might be some where they face challenges in their relationship. But if you like fluff, there are tons of fanfictions that just focus on their happy times together. One of my favorites shows how they first fell in love, starting from their first meeting and gradually growing closer. It's really heart - warming.
There are some great Jay and Nya love fanfiction on platforms like Archive of Our Own. You can search for tags related to them like 'Jay and Nya' and 'love' to find some interesting reads.