"Do you take this man to be your husband, to live together in matrimony, to love him for as long as you both shall live?"

You were soon to be married to the Crown Prince of your country, the highly intelligent and well-known Kim Namjoon. You had been leading a simple and happy life as a commoner, but everything changed when you were obligated to marry the Crown Prince in order to fulfill a promise made by the deceased King and your grandfather.