Bound to the Villainess System: The Real Heiress Is the Princess

[Villainess wish-fulfillment + transmigrate into a book + system + real and fake heiresses + a ton of secret identities] Lu Er'er transmigrated into a book, becoming the tragic real heiress unloved by both her father and mother, and a perfect foil for the novel's universally adored heroine. First, the fake heiress attacks with her tearful, whimpering act. Then a woman in her sixties threatens to kill herself. Lu Er'er: One slap each, and they'll learn their lesson. The lowly housekeeper mouths off: “Who knows what kind of bastard she is?” System: Slap him! The sleazy driver curses up a storm: “Let's sleep with this woman before anyone else gets to her!” System: Slap him! Her so-called big brother can't speak like a human being: “Are you a pig?” System: Slap him! The biased old madam favors boys over girls: “You see me and don't even kneel and bow? No manners!” Lu Er'er: Can I slap this one? System: Bow first, then slap. Manners before force! System: Host, doesn't it feel great to slap people? Lu Er'er: It's all right. My hand's just a little sore. System: Don't worry, Host. I've found you a hired hand! A man who arrived late and had nothing to do: “I'm good at this. Here comes the big slap!” A fake fiancé publicly humiliates her for love? A pack of hapless sisters spreads rumors and plays the victim? They bundle her off to a variety show to help the fake heiress build a persona and win fans? I'll make them all eat their words! Your girl is thriving on land, sea, and air. I'm already a villainess, so why bother with manners? Youth has no price tag. The time to slap faces is now. The fake heiress sheds pearly tears after her true colors are exposed: “Because of you, I'm going to be kicked out of the Lu family. My brother is the only one I can rely on. If I don't help him, who should I help?” Lu Er'er: Sure. Her so-called big brother: “Are you trying to steal my family?” Lu Er'er: Ever considered that we might both be real, and you're the fake one?