Beautiful and Vicious, She Has the Crown Prince Completely Bewitched

[Content warning: the female lead is not a virgin, while the male lead is; the female lead is purely evil and has no morals] Everyone said Prime Minister Zhang had raised a wonderful daughter: breathtakingly beautiful, radiant as spring, and refined and well-read. But the Sixth Prince knew the truth. She was rotten to the core. Even when they were young, he saw her splash scalding tea in a maid’s face over nothing more than a handkerchief. Just as Zhang Qingyao was about to marry the Crown Prince and rise to power, the Crown Prince was deposed overnight, and the overlooked Sixth Prince was named Crown Prince. Zhang Qingyao: It doesn't matter who the Crown Prince is. The Crown Princess position can only be mine.