After Becoming a Fake Heiress, I Make It My Mission to Break Up Couples

(Don't read this, it's unfinished.) Xu Xingyue transmigrates into an angsty novel about a real and fake heiress.

The good news: she's the little princess of a wealthy family!

The bad news: she's the fake one! And the vicious supporting female character, too!

To stay alive, Xu Xingyue starts sucking up to the real heiress.

Whoever she can't stand, she breaks up their couple.