If You Devour Poison

The Kingdom of Palcemith is a land blessed by an ancient dragon. Andrim, the evil prime minister of the country, remembers his previous life when his daughter's engagement is broken by the crown prince. At the same time, he realizes that this world is that of an otome game that was popular in his past life. In the game, his daughter is the evil fiancée of the crown prince and he is destined to be executed alongside her. Unable to accept this, Andrim devises a plan to trap the game's capture targets, who side with the crown prince. He will stop at nothing for revenge including seducing his own rival... (Source: AlphaPolis, translated)