환유 – Only U (Feat. RoyalGreen)
Track 03 from Single "First Time"
Release Date: 2011.03.31
환유 – 나란 바보
Track 01 from Single "나란 바보"
Release Date: 2011.10.10
환유 – Memories (빛바랜 추억)
Track 02 from Single "First Time"
Release Date: 2011.03.31
Be One with Kpop - with Lyric
Track 03 from Single "First Time"
Release Date: 2011.03.31
Track 01 from Single "나란 바보"
Release Date: 2011.10.10
Track 02 from Single "First Time"
Release Date: 2011.03.31