One common theme is friendship. It often shows how strong their bond of friendship is. Another theme is growth, like how they grow as individuals while being in each other's company.
Another one could be 'The Kyumin Miracle'. In this fanfiction, there are some really interesting plot twists that keep you hooked. It shows their relationship in a different light, exploring different aspects of their personalities and how they interact with each other.
Some kyumin fanfics delve into their future selves. They might be living together, dealing with everyday life problems like cooking disasters or redecorating their apartment. These stories show a more domestic side of their relationship and are really endearing.
You can start by looking on fanfic websites. Just search for 'kyumin fanfic' on the site's search bar, and it'll show you a list of relevant stories. Check the ratings and reviews to see which ones are popular and well - liked.
The baby could be an alien species that Goku has never encountered before. It might have special powers related to its alien origin, like the ability to control energy in a different way than Goku and his friends.
The baby could be an ordinary human baby that has some sort of latent magical ability that Raven senses. She then decides to protect the baby from the human world that may not understand or accept the baby's potential magic, and also from the magical world that might want to exploit the baby.
The baby could be an orphan from a nearby village that has been attacked. Kagome stumbles upon the baby while on her travels with Inuyasha. Since she has a big heart, she can't just leave the baby there, so she takes it with her.
The baby could be a lost elf child from a different part of the forest. Maybe their family was attacked by some dark force and Thranduil finds them by chance.
The baby could be a half - demon, related to some other important character in the series. Maybe it's the offspring of a character Sesshomaru has some history with.
Another option could be an alien from Starfire's home planet. This would add an interesting dynamic as the baby would have a strong connection to Starfire's alien heritage. It could also bring in some unique storylines about the alien culture and how it affects the baby's upbringing. Maybe the alien father has certain powers or responsibilities that are passed down to the baby.