U SungEun

- Till the End
- Again my life, Pt. 4 (Original Television Soundtrack) - Single · 2022
- Trap
- My Secret Hotel, Pt. 3 (Original Television Soundtrack) - Single · 2014
- On My Hill
- Branding in Seongsu Original Sound Track Pt.1 - Single · 2024
- 너의 눈에 내가 살아 (I Live in Your Eyes)
- She Would Never Know (Original Television Soundtrack) Pt. 5 - Single · 2021
- Sometimes
- The K2 (Original TV Soundtrack) · 2016
- Sometimes (Instrumental)
- The K2, Pt. 2 (Original Television Soundtrack) - Single · 2016
- Trap (Instrumental)
- My Secret Hotel, Pt. 3 (Original Television Soundtrack) - Single · 2014
- Just Friends
- Just Friends - Single · 2024
- Love Virus
- Love Virus - Single · 2012
- We Between Spring
- We Between Spring - Single · 2021