Another theme could be the integration of Susan's human world values and Caspian's Narnian ways when it comes to parenting. This can lead to interesting cultural clashes and reconciliations. And of course, the theme of love is always present, not just the love between Susan and Caspian but also their love for their baby and how it shapes their actions and decisions in the story.
You can try fanfiction websites like Archive of Our Own. It has a large collection of fanfictions, and there's a good chance you'll find some Caspian and Susan baby fanfiction there.
One popular Caspian and Susan baby fanfiction might be the one where they raise their baby in a magical forest. It shows their love for each other and how they pass on their values to the child.
I'm not sure about specific 'Susan and Caspian baby fanfiction' off the top of my head. However, fanfiction communities often have forums or groups dedicated to Narnia - related stories. You could join those and ask for recommendations. Maybe someone has already compiled a list of great fanfictions about this particular scenario.
I'm not sure specifically if there is a fanfiction with Susan and Caspian where there is a pregnancy. There are a vast number of fanfictions out there, and it would depend on the creativity and direction of different authors. Some fanfictions might focus on adventure and relationship building between the two characters without including such a plot element, while others might explore more complex storylines that could involve pregnancy.
Well, Susan is often seen as a bit more worldly compared to Caspian in some fanfictions. Since she has been to Narnia before and has some knowledge of different cultures and magic there. Caspian, being from Narnia but in a different era, is in awe of her in a way. Their relationship can be complex. It could be a relationship where they both learn from each other. Susan can teach Caspian about the 'old ways' and Caspian can show Susan the new Narnia he is building. This kind of interaction makes for really engaging fanfiction.
One possibility could be that the story focuses on how they adjust to parenthood in the magical world. They might face challenges from those who oppose their union or from the powers that be in Narnia. The baby could also have some special powers or a great destiny.
One possible fanfiction could be set in a magical forest. Caspian and Susan meet by chance while she is exploring. They start with a simple conversation, sharing their love for nature. As time passes, their connection deepens, and they go on adventures together, protecting the forest and its creatures. Their relationship blossoms as they face challenges side by side.
One common theme is adventure. Since both characters are often associated with fantastical worlds, they embark on exciting quests together in many fanfictions. Another theme is love. Whether it's a budding romance or a deep, unspoken affection, it's frequently explored.
The contrast between their characters. Susan is often seen as more reserved and proper, while Caspian is bold and adventurous. When they kiss, it's a moment that breaks the expected boundaries, which is really exciting.