Left Heart, 2007 :
- Everytime We Love
- Day & Night (Feat Baek Ji Young)
- Left Heart
- Aren’t I Bad(Feat Kim Tae Woo)
- Will Do (Hario)
- Love Is Good(Feat Common Ground)
- Worn love
- Habit
- You(Feat. Sweet Sorrow)
- For 1000 Days
Hario, 2007 :
- Hario (Sweet Mix)
- Hario (Club Mix)
Love 119, 2008 :
- Love 119 (feat MC Mong)- MV
- Tree
- Love 119 (Inst)
- Tree (Inst)
Dropping The Tears, 2009 :
- The Present
- 1 Drop Per Second (Feat. Dynamic Duo)
- Dropping The Tears – MV
- Girl, Meets Love (Feat Tiffany of Girls’ Generation)
- Shopping
- Love 119 (Feat MC Mong)
- Dropping The Tears (Inst)
- Girl, Meets Love (Inst)
1 Droplet in a second, 2009 :
- 1 Drop Per Second (Feat. Dynamic Duo) – MV
Miss, Miss and Miss, 2009 :
- Wind
- Miss, Miss and Miss – MV
- 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 ( Color Chocolate)
- My Last Love
- The After Effects of Love
- Can’t We Love Once Again?
- They Can’t Love(Soul Special OST)
- Tree
- Wish (Great King Sejong OST)
- My Heart Cries
- Miss, Miss and Miss(Inst)
Present, 2010 :
- Present (Feat. Eun Ji Won)- MV
- Present (Inst)
Amazed, 2011 :
- Amazed (Feat Simon D, Hyo Lyn)
My Heart Is Beating, 2011 :
- Blow
- Speechless
- My Heart Is Beating – MV
- Symptoms
- Amazed (Feat Simon D, Hyo Lyn)
- Present (Feat. Eun Ji Won)
- Speechless (Inst.)
- My Heart Is Beating (Inst.)
I hate myself, 2012 :
- I hate myself
- I hate myself (Inst)
I need you, 2012 :
- Calling You
- I Need You – MV
- I Hate Myself
- Nothing Left
- I’m Will
- I’ll Be With You
- i Need You (Inst)
The 3rd Album part 1, 2012 :
- Closing My Eyes (Intro)
- Butterfly
- Please don’t… – MV
- Come To My Crib (Feat Beenzino)
- Hey You (Feat Choiza)
- You’re So Beautiful
- Bluffing
The 3rd album part 2, Love Blossom 2013 :
- Spring Memories
- Love Blossom – MV
- Bon Voyage (Feat Beenzino)
- Lay back
- Memories Ringing
- Marry Me
- Fade Out
Will in Fall, 2013 :
- Fall In Fall
- You don’t know love – MV
- It’s not you
- First Love end
- Bubble (Narr Bora)
- A Slip of the tongue
One fine day, 2014 :
- So Pretty
- Day 1 – MV
- Sweet Girl (Feat LE d’EXID)
- A Bright Day
- Love Love Love
- Last Digit