1 - ♩♪ Twins meet again ♬ Super Junior who came to the practice room? Eunhyuk X Ryeowook

Super Junior Eunhyuk X Ryeowook! First public! Debut honey tip that even ELFs didn't know!! Ever since I was a trainee, "You turned SM upside down... !" Eunhyuk X Ryeowook and ELF united, the result of the balance game?