O.O.O (오오오) – 블루
Release Date: 2022.08.12
O.O.O (오오오) – YELLOW
Release Date: 2022.05.16
O.O.O (오오오) – PLAYGROUND
Release Date: 2018.12.04
O.O.O (오오오) – 비가 오는 날에
Release Date: 2014.06.02
Various Artists – 사랑의 단상 Chapter 6 : 36.5˚C
Release Date: 2017.02.15
O.O.O (오오오) – CLOSET
Release Date: 2016.04.21
O.O.O (오오오) – 봄, 너, 사랑의 시작
Release Date: 2019.03.28
O.O.O (오오오) – 처음이라서 OST Part.3
Release Date: 2015.11.05
Various Artists – 사랑의 단상 Chapter 5 : The Letter From Nowhere
Release Date: 2014.12.16
O.O.O (오오오) – 사이코메트리 그녀석 OST Part 6
Release Date: 2019.04.30
O.O.O (오오오) – HOME
Release Date: 2016.01.25
구남과여라이딩스텔라 – 온스테이지10주년-나에게 온 스테이지:7
Release Date: 2020.10.14
O.O.O (오오오) – GARDEN
Release Date: 2017.08.23
Various Artists – 사이코메트리 그녀석 OST
Release Date: 2019.05.01