언니누나 – 너에게
Track 01 from Single "너에게"
Release Date: 2018.06.22
언니누나 – I LOVE
Track 01 from Single "I LOVE"
Release Date: 2018.12.11
언니누나 – Merry Winter
Track 01 from Single "Merry Winter"
Release Date: 2019.12.02
언니누나 – Good Night
Track 01 from Single "Good Night"
Release Date: 2019.04.02
언니누나 – 돌려줘
Track 01 from Single "Daily"
Release Date: 2018.11.26