In the comics, Asami and Korra are indeed together. Their connection deepens and they form a significant partnership. The storylines show their bond growing stronger.
Finding good fanfictions for this pairing can be a bit of a hunt. You might start by looking for fanfiction authors who are known for writing about these characters in general. Follow their work and see if they've written any futa Asami x Korra stories. Additionally, when you start reading a story, pay attention to how well the author develops the relationship between the two characters. A good fanfiction will have a believable and interesting dynamic between Asami and Korra, whether it's in an action - packed adventure or a more slice - of - life setting.
First, get to know the characters really well. Watch the show they're from to understand their personalities, goals, and relationships. Then, come up with an interesting plot. It could be something like they go on an adventure together and discover new things about each other.
The graphic novels conclude with Korra and Asami still being together. Their relationship has evolved over the course of the story. They've faced challenges together and grown closer as a result. You can see their relationship as a positive and ongoing aspect of the final part of the graphic novels.