I Tried to Twist the Original Work, But Ended Up Seducing the Northern Grand Duke

I possessed the world of my favorite romance fantasy novel—one I had read over and over, scraping every last bit of content including the side stories. And of all people, I became the pathetic villainess, a duke's daughter destined for a miserable end after getting engaged to the Crown Prince. To avoid death, I decided to twist the original plot. First, I stopped my father, the Duke, who was on his way to request an engagement with the Crown Prince. “I’ve fallen for the Grand Duke of the North!” But then. “I’ve brought the engagement contract with the Grand Duke of the North, Lili!” A few days later, this crazy father of mine returned with an engagement contract from the Grand Duke of...