Kei

- Love Is
- Oh My Venus, Pt. 6 (Original Television Soundtrack) - Single · 2015
- Ride or Die
- Ride Or Die (Run On [Original Television Soundtrack], Pt. 2) - Single · 2020
- BAD BLOOD
- QUEENDOM PUZZLE ALL-ROUNDER BATTLE 2 - EP · 2023
- Bye
- A Time Called You (Music from The Netflix Series) · 2023
- Love Song
- Tale of the Nine Tailed 1938, Pt. 2 (Original Television Soundtrack) - Single · 2023
- PUZZLIN′
- QUEENDOM PUZZLE SEMI FINAL - Single · 2023
- Star and Sun
- The Emperor : Owner of the Mask (Original Soundtrack), Pt. 4 - Single · 2017
- Y (feat. BUMZU)
- Y (feat. BUMZU) - Single · 2016
- 버스안에서
- 투유프로젝트 - Sugar Man3 Episode.13 - EP · 2020
- A New Day
- No Gain No Love, Pt. 6 (Original Soundtrack) - Single · 2024