May 10, 2015[King of masked singer] 복면가왕 – 'Now I'm tired Ddaeng Bul' is BTOB Yuk Sungjae 20150510 K-pop Boys
May 10, 2015[King of masked singer] 복면가왕 – Now I’m tired Ddaeng Bul, Yuk Sungjae – Thanks 20150510 K-pop Boys
