The Cup of Vengeance Is in Your Hands

Princess Eudith's story begins when her cruel brother, the king, sells her off to the neighboring kingdom to marry the queen's powerless stepson, Prince Franz. Eudith becomes a pawn in the queen's plot to discredit Franz and place her biological son, Krald, on the throne. Desperate, Eudith attempts to end her misery but wakes up on the day of her fateful journey. Armed with knowledge and experience from her past life, Eudith seizes the chance for revenge by helping Prince Franz take his rightful place on the throne. Will Eudith succeed in her revenge and find happiness?

(Source: Webtoon Entertainment)