You're just a simple student who wanted to be successful in life. You have strict parents who wouldn't allow you to go outside or hang-out with your friends.. They just wanted you to study hard so you'll have a better future.. So as a good child, you decided to follow their rules.. You decided to be their slave for almost half of your whole life..

But what will happen when someday, you found out that the parents you knew for years is not your true parents.. Will you hate them? Will you be a rebel child? What if your the long lost "Princess" of Exo planet? What will you do?