수안 (퍼플키스) – In Some Dreams
Track 01 from Single '나의 해피엔드 OST Part.3'
수안 (퍼플키스) – 끝자락
Track 01 from Single "순정복서 OST Part.1"
Release Date: 2023.08.21
수안 (퍼플키스) – Burning
Track 01 from Single "신성한, 이혼 OST Part.6"
Release Date: 2023.04.08
수안 (퍼플키스) – 멍하니
Track 01 from Single "학교 2021 OST Part.6"
Release Date: 2021.12.16