육성재 (비투비)
(YOOK SUNGJAE)
두 번째 고백 Second Confession (Second Confession)비투비, ILHOON, 이민혁 (HUTA), 육성재 (비투비), 프니엘(비투비), 서은광(비투비), 이창섭 and 임현식(비투비) (BTOB, 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
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
한걸음 Follow your dreams (Follow your dreams)임현식(비투비), 육성재 (비투비), 민니 (MINNIE), 후이, 서은광(비투비), 이창섭, 조권, 진호(펜타곤), 승희(CLC), 승연, Sorn (손), 우기 (YUQI), 미연 (MIYEON), KINO, 여원, ELKIE(엘키), 수진, 최유진, 권은빈, 홍석, 신원, 옌안, 유선호 and 슈화 (SHUHUA) (Lim Hyunsik, YOOK SUNGJAE, MINNIE, Hui, Eun Kwang Seo, LEE CHANGSUB, Jo Kwon, Jinho, Seung Hee, Seung Yeon, Sorn, YUQI, MIYEON, Yeo One, ELKIE, SOOJIN, CHOI YUJIN, KWON EUNBIN, Hong Seok, Shin Won, YANAN, YOO SEONHO and SHUHUA)
4:32
이제야 at last (at last)육성재 (비투비) (YOOK SUNGJAE)
All About Blue
3:45
Weightless육성재 (비투비) (YOOK SUNGJAE)
All About Blue
2:27
