GAIN

- Paradise Lost
- Hawwah - EP · 2015
- Everybody Has Secrets (feat. 가인)
- Modern Times · 2013
- Bloom
- Talk About S. - EP · 2012
- I Happen to Love You
- I Happen to Love You · 2009
- Fxxk U (feat. BUMKEY)
- Truth or Dare - EP · 2014
- Carnival (The Last Day)
- End Again - EP · 2016
- Apple (feat. Jay Park)
- Hawwah - EP · 2015
- Irreversible
- Step 2/4 - EP · 2010
- I Happen to Love You (2025)
- I Happen to Love You (Original Soundtrack from "Even if This Love Disappears Tonight") - Single · 2025
- 임이 오는 소리
- 임이 오는 소리 - Single · 2016

VIP (Original Soundtrack) Part.2 - Single

VIP (Original Soundtrack) Part.2 - Single

2019
Feeding Time - Single

Feeding Time - Single

2018
Kiss or Kill (From “MISSING 9”) - Single

Kiss or Kill (From “MISSING 9”) - Single

2017
Pray - Single

Pray - Single

2017
End Again - EP

End Again - EP

2016
임이 오는 소리 - Single

임이 오는 소리 - Single

2016
열두 시가 되면 - Single

열두 시가 되면 - Single

2015