Kassy

- Aching
- Alchemy of Souls, Pt. 2 (Original Television Soundtrack) - Single · 2022
- Story of Night Fall
- Rewind - EP · 2019
- One Sunny Day
- Hometown Cha-Cha-Cha, Pt. 2 (Original Television Soundtrack) - Single · 2021
- The Day Was Beautiful
- The Day Was Beautiful - Single · 2018
- Good Morning
- KBS2 Drama Fight For My Way (Original Television Soundtrack), Pt. 2 - Single · 2017
- Always love you
- Cho YoungSoo Remake Project, Pt. 2 - Single · 2022
- Do you know
- Do you know - Single · 2026
- True Song
- True Song - Single · 2019
- Don't wanna leave tonight
- LOVE & HATE - EP · 2022
- Love X Friends
- Nextar Project - Single · 2025

Do you know - Single

Do you know - Single

2026
Even If the World Ends: A Single Message - Single

Even If the World Ends: A Single Message - Single

2025
Nextar Project - Single

Nextar Project - Single

2025
The potato lab, Pt. 3 (Original Soundtrack) - Single

The potato lab, Pt. 3 (Original Soundtrack) - Single

2025
Never Melt Away - Single

Never Melt Away - Single

2024
Like a Piece of Art - Single

Like a Piece of Art - Single

2024
Love dust - Single

Love dust - Single

2024