GUKU – Stay
Track 01 from Single "Stay"
Release Date: 2019.08.30
GUKU – Tell You
Track 01 from Single "Tell You"
Release Date: 2019.10.30
GUKU – Time’s Not Enough
Track 02 from Single "I Like You But Not Too Much"
Release Date: 2020.10.30
GUKU – I Like You But Not Too Much
Track 01 from Single "I Like You But Not Too Much"
Release Date: 2020.10.30
GUKU – Among the stars
Track 01 from Single "Among the stars"
Release Date: 2018.01.18
GUKU – 우리 기억 속
Track 01 from Single "우리 기억 속"
Release Date: 2021.07.01