Izumi learns that her father is the crown prince of Japan and becomes a princess overnight. She eventually overcame the initial difficulties and the parents resumed their old romance and got engaged. He is about to get married, but the Imperial Council has a problem with their marriage, neither Izumi nor her mother are of high birth. Then Izuma's friend makes a shocking decision. What will she have to sacrifice as a princess to save her parents' happiness? At the same time, can he also follow the desires of his heart?