육성재 (비투비)
(YOOK SUNGJAE)
두 번째 고백 Second Confession (Second Confession)비투비, ILHOON, 이민혁 (허타), 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
할많하않 HMHN (HMHN)육성재 (비투비) and ILHOON (YOOK SUNGJAE)
Yook O'Clock
3:27
니가 내 곁에 머물렀던 시간 Stay With Me (Stay With Me)정키 and 육성재 (비투비) (JungKey and YOOK SUNGJAE)
RETRO
4:41
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
그날의 바람 Come with the Wind (Come with the Wind)육성재 (비투비) (YOOK SUNGJAE)
Yook O'Clock
3:37
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
