Min Heejin is your childhood friend, you and she grew up in a prosperous royal environment, since childhood, you both aspired to be in the royal guard, but only Heejin managed to become a royal guard, while you decided to go far away and haven't returned after 3 years.-

Today, you returned to the kingdom after 3 years of not returning at all, you walked to the palace to meet Heejin and also met the King and Queen, you was on a mission from the King and Queen.-