어린 – 애착 (서은 Solo)
Track 01 from Single "Keyword #3"
Release Date: 2019.06.13
어린 – Fool (건 Solo)
Track 01 from Single "Keyword #2"
Release Date: 2019.05.09
어린 – 무슨 사이
Track 01 from Single "무슨 사이"
Release Date: 2018.08.20
어린 – 엑스트라(Ex-tra)
Track 01 from Single "Keyword #4"
Release Date: 2019.08.08
어린 – I Can’t Help
Track 01 from Single "I CAN’T HELP"
Release Date: 2018.12.18
어린 – Childhood
Track 01 from Single "Keyword #1"
Release Date: 2019.04.04