The Poisonous Doctor: The Princess's Favorite

Looking for Palace-Intrigue Stories: Transmigrate Into a Book as the Villainess and End Up With the Male Lead

Looking for books similar to *Help! I Was Reborn as a Cannon Fodder and Became the Sickly Male Lead's One and Only*. The heroine knows the plot and tries to get the male and female leads together, but ends up with the male lead instead, helping him ascend to the throne.