제발 Please

A Night Like Tonight

Addio

All The Time We Spent Together

Alone In Love

And Goodbye

Beautiful One

Because We're Friends

Because You're My Girl

Behind You

Carry a Backpack

Confession

Crazily

Crazy For U

Dear J

Delete

Desire And Hope

Desire To Fly (비상)

Despair

Difficult Words To Tell You

Do You?

Don't Be Sorry

Encore

Encounter

Erase Love

Farewell

Father (feat. Psy)

Fault

First Kiss

Forbidden Love

Forest

Friend

From Now On I Love You

Grumble

Gureso Ochorago

Happy Ending

I Am A Bad Guy

I Got To Know It That Way

I Want You

I Will

I Will Give You All

I'll Cry It Out

I'm Afraid It Will Happen

I'm Going To The Military

Invitation For Me

It's Gonna Be Alright

Just One Time

Just You

Last Word

Let's Break Up

Let's go on a vacation (여행을 떠나요)

Like A Flower

Like The Beginning, Just Like Then

Like The First Time, Like that One Time

Long Day

Long, Long Time (feat. AMEN)

Losing My Mind

Love

Love Is

Love Spinning Round

Love Taught Me To Drink

Love Time

Mask

Meet Someone Like Me

Melody

My Possession

Nae Gaseume Saneun Saram

Neane Gude

Nobody (feat. Kang Jin Woo)

On The Road To Vacation

One Love

One More Time

Paradise

People Who Make Me Sad

Please

Return

Rub Out Love

Shadow Of Separation

Shape Of Your Lips

Slave

Smile Boy

So What Should I Do

Starting Now, I Love You

Tears

Temperature

The Dream Of A Moth

The Dreamers Dream

The Ordinary Man

The Song That Will Make You Smile

To Your Side

Tonight

Umagshigan

Unfinished Story

Was It So

We Were In Love

Wechyobonda

Wedding Veil

Wherever

White Lie

Why Are You Leaving?

Will you marry me? (결혼해 줄래) (Feat. BIZNIZ)

Wind

Words That Are Hard To Say

Words That Say I Love You

You And Me

You In My Memory

You Inside Me