Updates every Thursday (Monday for Patrons/Subs)! Mark your calendar! ;)
As for the Quirks, the currently unlockable ones are:
--Chloe > Original, Bimbo (interchangeable)
--Gwen > Damaged
--Jessica > Auntie, Adultress
--Luna > Commoner
--Pixie > Cocksleeve, Schooled
--Qarinah > Dreamgirl
List is maintained by Cursed over on the CK Discord (thanks, Cursed!) :)