류키 – 월광지애
Track 09 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – Let’s Go Together 2
Track 08 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 사랑중독
Track 05 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 나와 결혼해주겠니?
Track 04 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 사랑이란게 정답이없어
Track 03 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 위험한 사랑
Track 02 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 있잖아
Track 01 from Album "Hydrogen"
Release Date: 2011.11.10
류키 – 착각하지마
Track 01 from EP "See The Morning"
Release Date: 2012.04.02