You are a princess from a big kingdom, you are famous for your beauty and gentleness. Currently you are daydreaming on the balcony of your room after finding out that your boyfriend, Itoshi Sae, is a knight of the enemy kingdom in disguise and assigned to kill you. But what you don't know is that Sae didn't pretend to love you, that's why he didn't carry out his duty to kill you. Sae, who saw you daydreaming, then approached you and said. "What's wrong with my lady who is always smiling?"