Vixx Ken & Choi Sang Yeob
Ken (VIXX), Choi Sang Yeob — Never Ending Story 04:04
VIXX Ken & Choi Sang Yeob — 빗속에서 (The midst of rain) [Duet Song Festival 160429] 04:14
VIXX Ken & Choi Sang Yeob — 그것만이 내 세상 (It’s Only My World) [Duet Song Festival 160513] 04:08
VIXX Ken & Choi Sang Yeob — Never Ending Story [Duet Song Festival 160422] 04:11
VIXX Ken & Choi Sang Yeob — 사랑에 빠지고 싶다 (I Want to Fall In Love) [Duet Song Festival 160506] 04:13