Lee Ji Su

- Q.E.D. (Pi Song Var.2)
- In Our Prime (Original Soundtrack) · 2022
- Thank You
- In Our Prime (Original Soundtrack) · 2022
- I'm Sorry Han Ji-Woo (Pi Song Var.1)
- In Our Prime (Original Soundtrack) · 2022
- Victory of Truth
- In Our Prime (Original Soundtrack) · 2022
- Lonely B103
- In Our Prime (Original Soundtrack) · 2022
- It's Over
- In Our Prime (Original Soundtrack) · 2022
- The Pi Song
- In Our Prime (Original Soundtrack) · 2022
- Isn't It Beautiful? (feat. EULER)
- In Our Prime (Original Soundtrack) · 2022
- We Decided To Call This 'Courage'
- In Our Prime (Original Soundtrack) · 2022
- 1 Month
- In Our Prime (Original Soundtrack) · 2022
- Impossible Triangle
- In Our Prime (Original Soundtrack) · 2022
- B103
- In Our Prime (Original Soundtrack) · 2022
- Do You Want Me To Teach Math?
- In Our Prime (Original Soundtrack) · 2022