Crazy Love Song - Single

When the First Snow Falls - Single

Beautiful fact - Single

Bon Appetit Your Majesty (Original Television Soundtrack), Pt. 2 - Single

H.Y.B. Project - Your Song, My Voice #2 ‘Get Ready To Leave’ (feat. Onestar) - Single

too late to love you - Single

I’m In Tears - Single

To Heaven - Single

It's Love - Single

Because of love - Single

With you - Single

Save Me - Single

Drunken Night - Single

I can't go to Sinchon - Single

Hello, Me! (Original Television Soundtrack, Pt. 4) - Single

Confession (Romance 101) [Original Soundtrack] - Single

Hello

Without You - Single

The World of the Married, Pt. 5 (Original Television Soundtrack) - Single

Clean With Passion For Now, Pt. 8 (Original Television Soundtrack) - Single

Empty Words - Single

The Last Night - Single

Only You - Single

Band-Aid - Single

Love Letter - EP

Already Winter - Single

Story of Winter - EP

Town Bar - Single

Snow of April - EP

My Love From the Star (Original Soundtrack) Part 6 - Single

Reminisce - EP

Little Giant

I Need You - Single

Big - One Person (Original Television Soundtrack) - Single

Lacrimoso - EP

First Story - EP

My Last Love (Original Television Soundtrack), Pt. 5 - Single

My Best (From "Glove") [Original Motion Picture Soundtrack] - Single

Huh Gak 1st Mini Album - EP