I'm the Fake Heiress, but I'm the Family's Heir

Any Stories About a Fake Heiress and a Real Heiress Who Are Really Close?

I always feel like novels about the real and fake heiresses are missing something. Their relationship doesn't have to be so... melodramatic. Wouldn't it be nice if the real heiress came home and was doted on, while the fake heiress kept her place in the family, and everyone got along? (Though sometimes I do kind of ship the real and fake heiresses!)!!