au's you can imagine your cc being in:
cottagecore au | your cc in their cottagecore arc, living in a random forest living their best life, as well as farming for their food
greenhouse au | your cc basically having plant manipulation/plant related powers, maybe even having flowers growing on them?
runaway au | your cc runs away, that's it.
fake amnesia au | for some reason your cc pretends to have amnesia, angst ensues
writer au | your cc is a famous writer within whatever genre's you want, it goes rather well with murderer and psychopath au!
murderer au | your cc is a murderer
cryptid au | your cc is just your neighbourhood cryptid
dollmaker au | your cc makes dolls, be it as a coping mechanism, escapism or for money, a dollmaker is a dollmaker
ballet au | your cc has been taking ballet classes for multiple years/centuries, they're practically considered a professional ballerina
florist au | your cc knows floriography and works as a florist
puppet au | your cc is a living, breathing puppet for a being of higher standing
puppeteer au | your cc is able to control other people like puppets
void au | your cc is from the fucking void
storyteller au | your cc tells fantasy-like stories for when little children aren't able to sleep, maybe they actually happened? no one will know, well, except for the storyteller, of course
trans au | your cc is transgender
farmer au | your cc becomes a farmer, works really well with runaway and cottagecore au's!
tailor/seamstress au | your cc is extremely good at sewing clothes, so why not turn it into a job? or your cc takes occasional comissions