김국헌 (비오브유) – 사랑할 것 처럼
Track 01 from Single "비밀의 숲 OST Part.7"
Release Date: 2017.07.18
김국헌 (비오브유) – Dry Flower
Track 01 from Single "Dry Flower"
Release Date: 2020.08.09
김국헌 (비오브유) – 너 밖에 모르고
Track 01 from Single "저글러스 OST Part.7"
Release Date: 2018.01.16
김국헌 (비오브유) – Butterfly
Track 01 from Single "나빌레라 OST Part 2"
Release Date: 2021.04.06
김국헌 (비오브유) – 사랑할 것 처럼
Track 07 from Album "비밀의 숲 OST"
Release Date: 2017.09.13