Kassy

- Aching
- Alchemy of Souls, Pt. 2 (Original Television Soundtrack) - Single · 2022
- Only You
- Only You - Single · 2023
- Greeting
- Chocolate (Original Television Soundtrack) · 2019
- One Sunny Day
- Hometown Cha-Cha-Cha, Pt. 2 (Original Television Soundtrack) - Single · 2021
- Good Morning
- KBS2 Drama Fight For My Way (Original Television Soundtrack), Pt. 2 - Single · 2017
- How to End
- Full Bloom - EP · 2024
- Love dust
- Love dust - Single · 2024
- Yesterday
- Old story - EP · 2021
- Someday
- No Gain No Love, Pt. 2 (Original Soundtrack) - Single · 2024
- Brake away
- Cold Day - EP · 2022

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
DNA Lover (Original Television Soundtrack) Pt. 6 - Single

DNA Lover (Original Television Soundtrack) Pt. 6 - Single

2024