An Introvert Transmigrates into a Villainess and Turns the Tables

An introvert transmigrates into a socially outgoing villainess, convinced she knows every trope in the book. But things often stray from the usual course. She thinks she's the one pretending to be weak, only to discover she's the tiger being devoured. Her younger sister frames her, and only after losing her does she realize that, no matter what, she's still her sister. The second male lead loses to a newcomer in his bid to win over his childhood sweetheart. Heartbroken, he decides to become the prime minister instead. Then he unexpectedly meets his true love!