GAIN

- I Happen to Love You (2025) [Instrumental]
- I Happen to Love You (Original Soundtrack from "Even if This Love Disappears Tonight") - Single · 2025
- I Happen to Love You (2025)
- I Happen to Love You (Original Soundtrack from "Even if This Love Disappears Tonight") - Single · 2025
- Set Me Free (Instrumental)
- VIP (Original Soundtrack) Pt.2 - Single · 2019
- Set Me Free
- VIP (Original Soundtrack) · 2019
- Feeding Time
- Feeding Time - Single · 2018
- Kiss or Kill (From “MISSING 9”) [Instrumental]
- Kiss or Kill (From “MISSING 9”) - Single · 2017
- Kiss or Kill (From “MISSING 9”)
- Kiss or Kill (From “MISSING 9”) - Single · 2017
- Pray
- Pray - Single · 2017
- Begin Again (Inst.)
- End Again - EP · 2016
- Secret
- End Again - EP · 2016

VIP (Original Soundtrack) Pt.2 - Single

VIP (Original Soundtrack) Pt.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