KCM

- Smile Again
- Growing Up · 2005
- 흑백사진
- CS NUMBERS · 2004
- 밤하늘의 별을.. (With KCM & No Noo)
- Generation · 2010
- I Know
- 연인 - EP · 2003
- 은영이에게
- CS NUMBERS · 2004
- Countdown to Three like a Habit
- Countdown to Three like a Habit - Single · 2020
- 9 Wish List
- Growing Up · 2005
- I LUV U (with Mirani)
- I LUV U (with Mirani) - Single · 2022
- Fading Away
- Fading Away - Single · 2026
- Blue whale
- Hang Out With YOO Wintersong - Songs to sing in winter Pt. 2 - Single · 2025

Norfolk (Gingembrę & Kcm Remix) - Single

Norfolk (Gingembrę & Kcm Remix) - Single

2026
Violet Infinity - Single

Violet Infinity - Single

2026
Love has come (Duet Beyond Borders Sound Track Part.2) - Single

Love has come (Duet Beyond Borders Sound Track Part.2) - Single

2026
Fading Away - Single

Fading Away - Single

2026
an old school uniform - Single

an old school uniform - Single

2025
States of Dissolution - Single

States of Dissolution - Single

2025
You're the prettiest to me - Single

You're the prettiest to me - Single

2025

Snow (Feat. KCM) - Single

Snow (Feat. KCM) - Single

Ja Jung
Countdown to Three like a Habit (with KCM) [feat. KCM] - Single

Countdown to Three like a Habit (with KCM) [feat. KCM] - Single

Lee Kyu Ra
Just Wanna (feat. KCM) - Single

Just Wanna (feat. KCM) - Single

Seven Aries