In the 'Ben 10' series, Ben Tennyson is the main character. He has a device called the Omnitrix which allows him to transform into various alien forms. Gwen Tennyson is Ben's cousin. She also has magical abilities and often teams up with Ben in their adventures.
I'm not entirely sure specifically as it could vary greatly. 'Fanfic' stands for fan fiction, which is often written by fans of the 'Ben 10' franchise. It might focus on female characters from the series, perhaps exploring their backstories, relationships, or new adventures in a way that the official content might not have fully delved into.
Well, in a Ben Ten love story, Ben could be smitten with a girl from his school who has no idea about his secret identity as a hero with the Omnitrix. He has to balance his normal life with her and his life as Ben Ten. At first, he's really clumsy around her, not knowing how to act. But when she gets into trouble one day, Ben uses his powers as Four Arms to protect her. This is when she starts to suspect there's more to Ben than meets the eye, and their relationship takes an interesting turn.
Fanfiction should be inclusive and appropriate. When it involves elements like 'futa' which have adult connotations, it is not acceptable for general audiences. The 'Ben 10' franchise has a large fan base of different ages, and fanfiction should be made in a way that respects all fans. So, this kind of fanfiction is not suitable for all.
One popular 'Ben Ten' fan fiction could be about Ben using his alien forms in new and unexpected ways to save the world. For example, he might have to combine the powers of multiple aliens to defeat a super - powerful villain that the original show didn't feature.
There's a fanfic called 'The Bond Beyond Time'. In this one, Ben and Gwen are thrown into a time - loop situation that forces them to confront their feelings for each other in new ways. It has some really exciting action scenes combined with the emotional exploration of their relationship.
Another idea is to write a story about Ben's descendants in the future. How they use the Omnitrix or a new device based on the same technology. They might face new enemies and have different adventures.