도아 – I’m So Blue
Track 02 from Single "Diary"
Release Date: 2018.09.19
도아 – I was
Track 01 from Single "I was"
Release Date: 2019.11.07
도아 – Goodbye My Love
Track 01 from Single "Goodbye My Love"
Release Date: 2019.06.19
도아 – Things I need
Track 01 from Single "Things I need"
Release Date: 2020.10.22
도아 – 괜찮아 너니까
Track 01 from Single "리얼:타임:러브 3 OST Part.2"
Release Date: 2020.09.25
도아 – 니가 좋아져
Track 01 from Single "소녀의 세계 OST Part 5"
Release Date: 2020.05.30