Kei (Lovelyz) - Shine a light
Kei (Lovelyz) - Mobius
Kei (Lovelyz) - 동화 속 이야기 (OST Starting Point of Dating Part.2)
Kei (Lovelyz) - Back in the Day
Kei (Lovelyz) - I Go
Kei (Lovelyz) - Dreaming
Kei (Lovelyz) - 종이달
Kei (Lovelyz) - Cry
Kei (Lovelyz) - 이 비(雨)
Kei (Lovelyz) - 마음을 전하면 (Can You Hear Me) (OST The Last Empress Part.3)