After Becoming the Villainess, I Just Want to Collect My Paycheck

Shen Nianchu transmigrates into a book. She becomes the fake heiress of a wealthy family, and after the real heiress returns, the whole internet mocks her for stealing someone else's place. Her family is ready to throw her out.

The good news: she has a System. The bad news: the System demands that she complete a list of villainous deeds. She must kill Xie Ci, the original story's villainous tycoon, before she can log out and go home.