육성재 (비투비)
(YOOK SUNGJAE)
궁금해 Curious About You (Curious About You)육성재 (비투비) and 승희(CLC) (YOOK SUNGJAE and Seung Hee)
알듯 말듯해 Ambiguous (Ambiguous)서은광(비투비), 육성재 (비투비) and 임현식(비투비) (Eun Kwang Seo, YOOK SUNGJAE and Lim Hyunsik)
BE SOMEBODY육성재 (비투비) (YOOK SUNGJAE)
The Ghost육성재 (비투비) (YOOK SUNGJAE)
두 번째 고백 Second Confession (Second Confession)비투비, 정일훈, 이민혁 (HUTA), 육성재 (비투비), 프니엘(비투비), 서은광(비투비), 이창섭 and 임현식(비투비) (BTOB, JUNG ILHOON, LEE MINHYUK (HUTA), YOOK SUNGJAE, PENIEL, Eun Kwang Seo, LEE CHANGSUB and Lim Hyunsik)
그날의 바람 Come with the Wind (Come with the Wind)육성재 (비투비) (YOOK SUNGJAE)
궁금해 Curious About You (Curious About You)육성재 (비투비) and 승희(CLC) (YOOK SUNGJAE and Seung Hee)
3:54
알듯 말듯해 Ambiguous (Ambiguous)서은광(비투비), 육성재 (비투비) and 임현식(비투비) (Eun Kwang Seo, YOOK SUNGJAE and Lim Hyunsik)
KBS2 Drama Fight For My Way (Original Soundtrack) Part.4
3:46
BE SOMEBODY육성재 (비투비) (YOOK SUNGJAE)
Exhibition: Look Closely
3:03
The Ghost육성재 (비투비) (YOOK SUNGJAE)
Exhibition: Look Closely
3:44
두 번째 고백 Second Confession (Second Confession)비투비, 정일훈, 이민혁 (HUTA), 육성재 (비투비), 프니엘(비투비), 서은광(비투비), 이창섭 and 임현식(비투비) (BTOB, JUNG ILHOON, LEE MINHYUK (HUTA), YOOK SUNGJAE, PENIEL, Eun Kwang Seo, LEE CHANGSUB and Lim Hyunsik)
Second Confession
3:53
그날의 바람 Come with the Wind (Come with the Wind)육성재 (비투비) (YOOK SUNGJAE)
Yook O'Clock
3:37
