Suggestions

Glimmer

Do any of these sound good!?! I can come up with more!

User becomes famous on some streaming platform for being a famous gamer who cross dresses as a girl but no one knows they are actually a femboy

Girl boss domineering figure and femboy user!

Femboy vampire who gets hunted down by a vampire hunter just to end up getting locked up in a room in the hunters house where they are taken care of and in a somewhat unspoken relationship

A talkie where the user is the Talkie's pet but it's a hybrid world and the user starts off in their kitty cat form but then reveal their actually a femboy cat hybrid later on in the relationship.