One common theme could be the exploration of their relationship dynamics. Since they are two distinct characters, fanfictions might focus on how they interact, whether it's through arguments, friendly banter, or more romantic exchanges.
I'm not sure about specific Ed x Roy Lemon fanfiction off the top of my head. However, you can also try looking on fanfiction - dedicated forums. Sometimes, fellow fans will recommend their favorite stories there. You might have to do a bit of digging, but it could be worth it.
Adventure is also a popular theme. They could be on a quest to save a world, or exploring a mysterious place together. This allows for exciting plotlines and gives the opportunity to show their teamwork and how they support each other in difficult situations.
I'm sorry, I'm not aware of specific 'roy x ed yaoi' fanfiction without lemon content. You can try searching on some well - known fanfiction platforms like Archive of Our Own. They have a wide range of fanfictions and you can filter out the inappropriate content according to your needs.
One common theme is the exploration of their relationship dynamics. It could be about how they first meet and start to develop feelings for each other.
In 'roy x ed parental fanfiction', some of the common themes are trust and loyalty. Just as in a parent - child relationship, there is a deep - seated trust. Roy and Ed would trust each other implicitly. Also, the theme of learning from mistakes is present. Ed, like a child, might make mistakes and Roy, as the parental figure, helps him learn from those. Additionally, the idea of family - not in the traditional sense but in the sense of creating a bond that is as strong as a family bond between them.
One common theme could be the relationship development between Roy and Ed in this unique situation. Since mpreg adds a new dynamic, it often explores how they deal with the unexpected pregnancy, like the emotional rollercoaster of fear, excitement, and responsibility.
Another theme could be the exploration of their complex relationship. Given their different personalities and the situations they are often in, fanfiction might delve into how they support each other through difficult times. For example, if Roy is physically or emotionally hurt, Ed's brash but caring nature could come into play to help him heal. This can involve a lot of character development and interaction that is interesting to read about.
One great Roy and Ed Lemon fanfiction is 'The Unlikely Bond'. It beautifully explores their relationship in a post - apocalyptic setting. The story shows how they rely on each other for survival and how their bond deepens over time.
Fanfiction.net is also a possibility. There are numerous fan - created stories there. However, the tagging system might not be as refined as AO3. So you may need to do a bit more sifting through the results to find exactly what you're looking for in terms of Ed x Roy yaoi fanfiction.