Yes, there are some out there. Some fanfictions might explore the idea of Sansa and Theon having a family in an alternate universe. They could focus on how they raise their baby, the challenges they face in a world full of political intrigue and danger. For example, how they protect their child from their enemies and how they pass on their values to the next generation.
One possible plot could be that Sansa and Theon have to flee with their baby to a far - off land to escape their enemies. Along the way, they face numerous hardships like finding food and shelter, all while protecting their little one.
There's also 'Theon and Sansa: Redemption's Path'. This fanfic delves deep into how Theon tries to atone for his past actions towards Sansa's family while they form an unexpected bond. It's really interesting to see how their relationship evolves in this story.
You can start by looking on fanfiction.net. It has a vast collection of fan - made stories, including many about Theon and Sansa. Just use the search bar and type in their names.
Often, the Boltons are main antagonists. Ramsay Bolton in particular is a cruel and sadistic character who has caused great harm to both Theon and Sansa. His actions are a major source of conflict in many fanfictions.
It could also be Littlefinger's followers or remnants of his schemes. Since Littlefinger had his own plans involving Sansa, his influence might still linger in fanfiction, and those who were loyal to him could oppose Sansa and Theon's attempts to bring stability to the North.
Theon and Sansa fanfic is popular because it gives fans the chance to rewrite their story. In the original show or books, their relationship was full of twists and turns. Fanfic writers can take this and explore different paths. Maybe they give Theon a more heroic role in Sansa's life, or they show Sansa as being more forgiving towards Theon earlier. Also, the idea of two such complex characters finding common ground and a possible future together is very alluring to many readers.
Another scenario could be a more romantic one. Theon, having redeemed himself, realizes his true feelings for Sansa. They might have a moment where they share their past traumas and find solace in each other, slowly building a relationship based on mutual understanding and respect.
One interesting storyline could be Sansa and Theon teaming up to take revenge on their common enemies. They've both been through so much in the original series, and in fanfiction, they might use their combined knowledge and skills to outwit those who wronged them.
Well, there's 'Theon and Sansa: The Unlikely Bond'. In this fanfiction, their relationship starts from a place of mutual mistrust due to their past experiences, but as the story progresses, they discover a deeper understanding of each other. Also, 'Sansa's Redemption of Theon' is interesting as it focuses on Sansa's role in helping Theon heal from his traumas while also developing a romantic connection between them. Keep in mind that different writers bring different perspectives to these characters.