Their relationship would likely become more serious. They would have to think about not just themselves but also their baby. There would be more commitment and responsibility between them.
One popular juvia pregnant fanfiction might be about how she and her partner deal with the new changes in their relationship. Maybe it shows their excitement and nervousness at the same time.
The main characters are Gray and Juvia. Gray is often depicted as a cool - headed and powerful mage, while Juvia is a loving and somewhat obsessive (in a cute way) character when it comes to Gray.
A third plotline could be about the challenges that come with the pregnancy. This might include health issues for Juvia or the baby, financial concerns if they are not well - off, or even external threats that put the pregnancy at risk. The story could then focus on how they overcome these challenges and grow stronger as a couple or a community.
Well, obviously Juvia herself is the central character. Her partner would also be very involved. If it's in the context of Fairy Tail, Gray would likely be her partner in the fanfiction, as they have a strong relationship in the original series. Then there are their friends like Lucy, Natsu, and Erza. They would probably be there to support Juvia during her pregnancy, offer advice, or just be there for the big moments.
You can try fanfiction websites like Archive of Our Own. There are often a lot of different fanfictions about various topics, including Juvia being pregnant.
One plot idea could be that Gray and Juvia discover the pregnancy and Gray is initially in shock but then becomes overjoyed. He starts preparing for the baby by fixing up their living space. Another idea is that Juvia has a difficult pregnancy and Gray has to be extra supportive, taking on more of the household chores and being by her side at all doctor's appointments.
You can try searching on fanfiction websites like Fanfiction.net or Archive of Our Own. Just type in 'Gray Juvia pregnant' in the search bar, and you might find some interesting stories.
One possible storyline could be that Gray and Juvia are excited about the pregnancy but also nervous. Gray might be worried about being a good father, as he has had a somewhat troubled past. Juvia, on the other hand, is overjoyed and starts preparing for the baby right away. They could face challenges like finding a suitable place to live as a family, and also dealing with the reactions of their friends in Fairy Tail. Maybe some of their friends are super supportive, while others might be a bit more hesitant or worried for them.