Heeseong (희성) – 이밤은왜 (dawnmorning)
Track 04 from EP "FRII"
Release Date: 2016.11.16
Heeseong (희성) – 말다툼 (All we do)
Track 01 from Single "말다툼 (All we do)"
Release Date: 2017.02.21
Heeseong (희성) – 그대로 (EP Ver.)
Track 03 from EP "FRII"
Release Date: 2016.11.16
Heeseong (희성) – intro
Track 01 from EP "FRII"
Release Date: 2016.11.16
Heeseong (희성) – 퇴근길
Track 01 from Single "퇴근길"
Release Date: 2017.05.22