[K-POP] Chungha(元I.O.I) - Why Don't You Know (Debut Stage 20170611) (HD)
2017/6/11
[K-POP] Chungha(元I.O.I) - Why Don't You Know (Dance Practice) (HD)
[K-POP] Chungha(元I.O.I) - Why Don't You Know (Debut Stage 20170610) (HD)
2017/6/10
[K-POP] Chungha(元I.O.I) - Why Don't You Know (Debut Stage 20170608) (HD)
2017/6/8
[K-POP] Chungha(元I.O.I) (ft Nucksal) - Hot Debut "Why Don't You Know" (MV/HD) (和訳付)
2017/6/7