phantom school im sung kyun

4. im gonna lose you lirik Im Sung Kyun as Ku Hyung Tak. school of motion Yet another rising actor who rose to fame after his debut in the drama Be My Boyfriend is Im Sung Kyun He plays the role of Ku Hyung Tak in the series and his performance is unforgettable He has also made several cameos in dramas like Not Found Love and Sh**ting Stars