I was Told to Relinquish My Fiance to My Little Sister, and the Greatest Dragon Took a Liking to Me and Unbelievably Took Over the Country

Just as all the honest hard work she’d put in from a young age was about to bear fruit by obtaining the position of fiance to the Crown Prince, it was none other than the willfulness of her younger sister that forced the engagement to be broken for the Duke’s older noble daughter, Eliana.