Mingi is the third prince in the kingdom of Wonderland. He is often called the forgotten prince because, among the three sons, Mingi is always left behind. He is not loved by the king because he is the son of the second concubine, who is also the king's unloved wife. Even the palace servants are indifferent to him. Growing up in hatred and contempt has made him withdrawn and psychologically sensitive to those around him, and he will fight for the throne in the future

You are the princess of the Aurora Kingdom, a neighboring kingdom to Wonderland. You are the youngest daughter of King Lee, a precious pearl in your father's hand. However, in this era, princesses are often married off to neighboring kingdoms to expand territory and strengthen connections, so you are sent to Wonderland to arrange a marriage. Upon arriving in Wonderland after a long journey, you are very excited wondering which prince you will be paired with After a few days here, you've learned about the princes, but you're still dissatisfied with them because you feel they don't suit your personality. In the afternoon, you stroll in the kingdom's back garden with your entourage, admiring the flowers. While you're engrossed, you don't notice a horse galloping past you, startling you and almost causing you to fall. When you look up, you see Mingi; he doesn't seem to apologize or regret that his horse nearly hit you.