Album : butterFLY

• Ain't That Pretty
• Fire
• Head Lock
• Heartcrusher
• Love
• Midnight
• Nothing At All
• Room Shaker
• Want It
• You Are Precious Because Of Who You Are (그대는 그대라 소중해)

Album : other songs

• Because It Is Love
• Blue Spring (파란 봄)
• I Will Go To You Like The First Snow
• Is You
• Johnny
• My Grown Up Christmas List
• Okay
• Reminiscing (낡은 그리움)
• Rewrite... If I Can (다시 쓰고 싶어)
• Sakura
• Singing Got Better
• Sweater (스웨터)
• The Poem Of Destiny (운명의 시)
• Thirst

Album : Magazine

• Crazy
• Don't Touch Me
• Goodbye Now (이제는 안녕)
• Love Sick (문득병)
• Teardrop

Album : Invitation

• Evening Sky (저녁 하늘)
• Heaven
• I Will Show You (보여줄게)
• Into The Storm (폭풍속으로)
• My Love
• Shut Up

Album : A New Empire

• Feelin'
• Home
• I Need You
• If You
• Live Or Die
• 까꿍 Why You Think I'm In Love With You

Album : VIVID

• Filling Up My Glass (잔을 채우고)
• How Can Someone Be This Way (사람이 왜 그래)
• I Love You, I Hate You (미워도 사랑해)
• Insane
• Letting Go
• Love Recipe
• Mind Your Own Business (너나 잘해)
• One Step Closer (한걸음 더)
• Second Chance
• Symphony

Album : A's Doll House

• How Could You Do This To Me (이런 법이 어딨어)
• I'll Be Ok
• No No No
• Rainy Day
• Scandal (열애설)
• U&I