V.O.S

I made a mistake

Single • 2026

I Can't Go to Shinchon

Single • 2025

Cho Youngsoo Remake Project Part.4 (조영수 리메이크 프로젝트 Part.4)

Single • 2025

Say goodbye for no reason (아무 말 없이 헤어지자)

Single • 2024

A Sick day (오늘 같이 아픈 날)

Single • 2023

Blooming flower (너라는 꽃이 피어나)

Single • 2023

Love Rain (사랑비)

Single • 2023

Don't say Goodbye (안녕이라고 말하지마)

Single • 2023

I Was You (나는 너였다)

Single • 2022

talks about pain (아픔을 말하는)

Single • 2022

Missing you (다시 만날까 봐)

Single • 2022

I found love (찾았다 내 사랑)

Single • 2022

헤어지면 돼

Single • 2021

제자리 걸음

Single • 2021

니 이름 불렀나 봐

Single • 2020

잘 지내고 있는지 궁금해

Single • 2020

잘 살고 있다

Single • 2019

다시 만날까 봐

Single • 2019

문

Single • 2018

Nocturn

Single • 2017

Flower of Prison, Pt. 3 (Original Television Soundtrack)

Single • 2016

섹시한 남자 / 눈물 (From "투유 프로젝트 - 슈가맨, Part 30")

Single • 2016

Someday (어느날 어느곳 어디선가)

EP • 2015

반대로만 살자.

Single • 2014

울면서 달리기

Single • 2014

The Sun Is Filled OST Part.2 (태양은 가득히 OST Part.2)

Single • 2014

memory (추억)

EP • 2010

THE BLUE BIRD

EP • 2010

Baking King, Kim Takgu (Original Soundtrack) Part.1

Single • 2010

SS Life OST

Single • 2009

Routine Free

EP • 2009

젊은날(All Star 2집 Vol.1)

Single • 2008

The First Time

Single • 2006