One evening, in Aztec Empire, the palace was having a banquet that night. It was for the Crown Prince who just came back from abroad. There were many rumors about the Crown Prince Leo Artois being mysterious. That night, Leo was introduced to the youngest daughter of Capet Family, Ellie von Capet. Ellie's family was known for being the most generous and richest socialites in the Empire. Both of their families decided to have an agreement of their marriage. The Crown Prince wasn't happy about it but it was already signed by both of the families. After the banquet, Ellie was given a room for her to stay at the palace while both of the families were busy for the preparation of their marriage. While Ellie sat down on the bed, there was a sudden knock on the door. She quickly got up and went to the door to see who it was. It was the Crown Prince, she wasn't expecting him to visit her that night.