One popular theme is their relationship development. How they go from bickering to having deeper feelings for each other. Another is alternate universes, like if they were in a different time period or had different occupations.
Some fanfics focus on their adventures together. They might go on a road trip or solve a mystery. These kinds of stories add an element of excitement and adventure to their relationship, making it more interesting for the readers.
Family dynamics also play a big role. Since they are part of a family in the original story, fanfics often explore how their relationship affects the family as a whole. And of course, there are the classic 'first love' themes, where they discover their feelings for each other for the first time in a really sweet and innocent way.
One common theme is growth. Derek often goes through personal growth in fanfictions, learning from his experiences and becoming a better version of himself. Another theme is friendship. His relationships with other characters, whether it's strengthening old friendships or making new ones, are frequently explored. Love can also be a theme, seeing Derek in different romantic situations.
One common theme is family. Since they come from a blended family situation, fanfictions often explore how their marriage affects the family dynamics. Another theme is growth. They both grow as individuals and as a couple in married life, which is often depicted.
One common theme is the build - up of their relationship. It might start with them disliking each other initially and then gradually falling in love, leading to the kiss. Another theme could be dealing with obstacles in their relationship, like family disapproval or misunderstandings, which makes the kiss more significant when it finally happens.
Adventure themes are also quite common. Imagine Casey Simpson going on an exciting journey, like exploring a mysterious island or traveling through time. This kind of theme can add a lot of excitement to the fanfic. Another theme that might be popular is self - discovery. Writers could explore how Casey Simpson grows and learns more about himself in different situations, which can be really interesting to read as it gives an insight into the character's development.
There could be fanfictions where their kiss is a result of an argument. They might be fighting over something silly like who gets to use the TV remote, but then in the heat of the moment, their true feelings surface and they end up kissing. It adds an interesting dynamic of passion and frustration to the story.
A frequent theme might be the changing relationship dynamics between Casey and Derek. With the pregnancy, they may have to grow up faster and reevaluate their feelings for each other. There could also be themes of support, where they learn to rely on each other more. Another theme could be the anticipation and excitement of becoming parents, despite any difficulties that come their way.
One great Derek and Casey baby fanfiction is 'A New Beginning'. It beautifully explores how they adjust to having a baby in their lives. The story focuses on the cute moments between Derek and Casey as they take care of their little one.
Some Tumblr blogs might also feature Casey and Derek fanfic. You can search for relevant tags such as '#Casey and Derek fanfic'. Sometimes, fans will share their own works or reblog great fanfics they've found on there.
Some popular ones might be those that explore Derek's relationships with original characters in unique settings. For example, there could be a story where Derek teams up with an OC in a supernatural adventure. It often depends on the creativity of the writer.
One idea could be that Derek and Casey initially struggle with the news of the pregnancy. They might be worried about how their families will react, especially considering their relationship might have been a bit rocky before. They could then gradually come to terms with it and start preparing for the baby, like decorating the nursery together.