- Talk About S. - EP · 2012
- Truth or Dare - EP · 2014
- End Again - EP · 2016
- Pray - Single · 2017
- Hawwah - EP · 2015
- Talk About S. - EP · 2012
- Kiss or Kill (From “MISSING 9”) - Single · 2017
- Hawwah - EP · 2015
- I Happen to Love You · 2009
- Truth or Dare - EP · 2014
- Hawwah - EP · 2015
- Step 2/4 - EP · 2010
- 윤일상 작곡가 21주년 기념 앨범 (I'm 21) · 2012
Music Videos
- 2012
- 2017
- 2016
- 2016
- 2015
- 2015
Compilations
About GAIN
- HOMETOWN
- Gangseo District
- BORN
- 20 September 1987
- GENRE
- K-Pop