There are often fanfictions focused on Daenerys and Missandei. In some, they might share a deeper emotional bond. For example, a story could be set where Daenerys faces a difficult decision and Missandei is the only one she truly confides in. Their relationship could be portrayed as a strong, female - centered friendship with elements of mutual respect and admiration that goes beyond just being queen and handmaiden.
A common theme is the relationship between Cersei Lannister and Melisandre. It's interesting because they are both powerful and complex characters. Fanfic might play with the idea of their power struggles turning into a different kind of relationship. Cersei's thirst for power and Melisandre's religious fanaticism could create a really intense dynamic in a femslash story. There could also be stories about the relationship between Lyanna Mormont and Gilly, imagining how their different experiences in the North and with different groups could lead to a special bond.
Fanfiction.net is also a place to look. Although it doesn't have as refined of a tagging system as AO3 for femslash specifically, if you search for 'Game of Thrones' and then browse through the stories, you might come across some great femslash ones. You can also check the reviews and comments of the stories to see if other fans mention femslash elements in them.
There are numerous 'Game of Thrones fanfiction' stories out there. For example, there are ones that rewrite the entire story from the perspective of the White Walkers. It makes them more complex characters rather than just mindless villains. Also, there are fanfictions that explore the relationship between Jaime and Brienne in alternative scenarios. Some fanfictions even bring in characters from other fantasy worlds and see how they interact with the 'Game of Thrones' universe, which can be really interesting to read.
One popular 'Game of Thrones' fanfiction could be those that explore alternate endings. For example, some might imagine a scenario where Jon Snow actually becomes the king of Westeros and rules justly, uniting the Seven Kingdoms in a way that didn't happen in the original series. Another type could be stories that focus on the backstories of minor characters, like a fanfiction delving into the early life of Bronn and how he became the shrewd sellsword we know.
Another popular theme is the exploration of magic. In the show, magic was a bit inconsistent in its use. Fanfiction writers often delve deeper into the magic system, creating stories where characters develop new magical abilities or where magic plays a more prominent role in the overall plot. For example, a story could be about a character becoming a powerful sorcerer and using magic to unite the Seven Kingdoms in a different way than in the original story.
One popular 'Game of Thrones' fanfiction could be those that explore alternative endings. For example, some might rewrite the ending where Jon Snow doesn't go into exile. Another type could be fanfictions that focus on the backstories of minor characters, like Hot Pie. These stories often give more depth to the rich world of 'Game of Thrones' that the original show or books might not have fully explored.
Some fanfictions may center around the relationship between Jaime and Cersei, but with a more 'sexy' spin. They might explore their complex and often taboo relationship in different ways. However, these types of fanfictions can be controversial as they play with the boundaries of the original story's themes.
One popular one could be those that explore what might have happened if certain characters didn't die. For example, a fanfiction might continue the story of Ned Stark as if he had escaped his fate. Another could be about the relationship between Daenerys and Jon Snow being further developed in different scenarios. And some fanfictions focus on the backstories of minor characters, like how Bronn became the shrewd mercenary he is.
There could be fanfictions where characters like Tyrion Lannister get involved in ticklish situations. Maybe he is teased by his friends or foes in a ticklish way that plays on his wit and charm. Since he is such a beloved and complex character, these types of stories can be quite engaging for fans who want to see a different side of him.
The world of 'Game of Thrones' is so rich and complex. There are so many characters, places, and political intrigues. Fanfiction writers can play around with these elements. They can create new stories set in different parts of Westeros or Essos, or develop relationships between characters that were not fully explored in the original.