May 6, 2016[Duet song festival] 듀엣가요제 – Sandle, Flustered by the suit fit of a Yook Sung Jae 20160506 K-pop Boys
May 6, 2016[Duet song festival] 듀엣가요제 – Yook Sung Jae, With Jung ji sun Sweet stage~ 'Love rain' 20160506 K-pop Boys
