1.Album Left Heart 2007
- Everytime We Love
- day and night feat baek ji young
- Left Heart
- Aren't i bad feat kim tae woo
- Will Do
- Love is Good feat commond ground
- worn love
- Habit
- You feat sweet sorrow
- for 1000 days
2.Miss,Miss,Miss 2009
- wind
- Miss,Miss,Miss
- Just a Repeat
- Hypnosis feat outsider
- pond of tears
- Antonym of i love you
- Once Quit Smoking
- The Film Stopped
- The day i didn't know farewell
- Chocolate
- My Last Love
- The After Effects of Love
- can't we love once again
- they can't love
- tree
- wish-ost.The Great King Sejong
- My Heart Cries
3.Mini Album 1st
- Present
- One drop per second
- Dropping The Tears
- A Girl Meet love with Tiffany SNSD
- Shopping
- Love 119 with MC Mong
New single from K.Will - i hate my self