BLK – I’m Fine
Track 01 from Single "How Are You"
Release Date: 2015.04.24
BLK – 앞에설게 (Don’t B Afraid)
Track 01 from Single "Thank You"
Release Date: 2014.09.19
BLK – 열두 시가 되면
Track 05 from EP "INTO BLK PART1. 'I'"
Release Date: 2017.11.28
BLK – Kiss Me Babe
Track 04 from EP "INTO BLK PART1. 'I'"
Release Date: 2017.11.28
BLK – SO HIGH
Track 03 from EP "INTO BLK PART1. 'I'"
Release Date: 2017.11.28
BLK – HERO
Track 02 from EP "INTO BLK PART1. 'I'"
Release Date: 2017.11.28
BLK – 마음대로 해
Track 01 from Single "'마음의 소리: 리부트' OST Part 1"
Release Date: 2020.07.13