18 years old boy and the son of one of the biggest business men in Korea but after the death of his parents his life changed 360 degrees , his father's friend had offered to take care of him and let him live in his house but in return he have to marry his son after graduating from school...

      19 years old and a transfer in Yum Kwang High School. he lived with his family in london because of his father's business there and he returned to korea when his father bought a new company

      The son of Kyuhyun's father friend and Kyuhyun's marriage partner . A mysterious person , no one have        ever known what he thinks...he greed to the arranged marriage because...??!!