After Becoming the Vicious Concubine's Daughter, I Rely on Sweet-Talking to Stay Alive

After Yun Xi died, she transmigrated into a rebirth novel, taking the role of its vicious female antagonist. To avoid the tragic ending in the book, she turned on the charm, played cute, professed her loyalty, and clung to a powerful ally. She planned to make a quick getaway as soon as she escaped this mess. But the more she professed her loyalty, the more she ended up giving herself away...