One common theme could be the reactions of the other characters. For example, her family members in the story might have different responses to her pregnancy, ranging from joy to concern. Another theme could be how Allison herself deals with the pregnancy, whether it was planned or unplanned and how it affects her goals and relationships.
Some fanfictions might focus on the future of the child. What kind of powers will the baby have? How will the baby fit into the world that Allison and the other characters live in? It could also explore how Allison's pregnancy changes the overall dynamic of the group she is a part of, and how they all come together to support her or face the consequences of this new addition to their world.
A possible plot twist could be that the pregnancy is not what it seems at first. Maybe it's a false positive due to some strange power or situation in the fictional world she lives in.
One way to approach this in fanfiction is to focus on the emotional turmoil. Allison might be feeling scared, confused, and alone. Writers could explore how she copes with the situation, perhaps turning to her siblings for support in a world that's already full of chaos. But it's important to handle it delicately as it involves a very young age and pregnancy.
The relationship between Vanya and Allison in the show is complex and full of potential. In fanfiction, writers can explore their relationship in ways that the show might not have fully delved into. For example, they can focus on their sisterly bond, which has its own unique dynamics given their different powers and personalities.
Another option could be FanFiction.net. However, the quality and quantity of stories might vary. It's also important to note that when you search, make sure to check the tags and summaries carefully to ensure it's exactly what you're looking for. Sometimes, the stories might not be exactly about Allison being pregnant but could be related in some other way.
One great place to start looking for Vanya Hargreeves x Allison Hargreeves fanfiction is Archive of Our Own (AO3). It has a vast collection of fan - created works. You can simply search for their names in the search bar, and it will show you all the relevant fanfics. Another option could be Fanfiction.net, though AO3 generally has more diverse and inclusive content in this regard.
One common theme is friendship. Many fanfictions explore how Allison and Jackson develop a strong bond despite their initial differences or conflicts.
A common theme is their relationship development. Since they have a complex relationship in the original story, fanfiction often delves deeper into how they overcome their differences and grow closer. Another theme is the exploration of their powers in relation to each other. For example, how Jackson's werewolf abilities and Allison's archery skills could be used together in different scenarios.
Love and loss are common themes. Since Allison's death in the series, many fanfictions explore how Scott copes with losing her, and also how their love endures. Another theme is the struggle against the supernatural world. They often face threats together, and this is a big part of their relationship in the fanfictions as well.
The theme of self - discovery also pops up. Allison might discover new sides of herself in the Naruto world, and Naruto may also learn something new about himself through his relationship with Allison. This could be related to their abilities, values or how they view the world around them.
One common theme is friendship. Many fanfictions explore how Allison and Andy become friends and support each other. Another theme could be adventure, where they go on exciting journeys together.