Luhan will do anything to be in his mother's will. She was rich. In the will, he must marry his mother's best friend's daughter. But, she's 17!? Kim Jungin is a super-duper rich girl. It is like she was born in castle. Even she is a rich girl, but she is kind, humble, smart but a bit lazy. Luhan's life changed with Jungin by his side. But, his love to Sehyun never faded.   Will he love Jungin more than his first love Sehyun?