You Are The One
Because I am a girl (feat. G.O.)
Farewell
It’s Okay Not to Be Okay
How Can I Love You
Love Affair
Love of the sky
그래도 좋아
I'm Fine
an invisible man
Maybe Love
Comfort Night
If I hadn't known you
Holiday (With 2NB)
Start (With 2NB)
Tears on a Letter
You know what
Far away (instrumental)
Happy Ending (feat. 2NB, Ha Rin, Oh Yun Hye, Haru)
You Don't Love Me
Distant Memories of You
How To Part Ways
One My Love
in tears (feat. 2NB, Ha Rin, Oh Yun Hye)
I loved you enough to say something I didn't mean
black tears (feat. JQ)
Pink Pink
Fall's winds
What are you doing now?
Turn away
black tears
Without You
여자이니까 (feat. G.O)
a two-girl story (feat. Ryu Deokhwan)
Why Am I Crying Again?
I'll Close Your Eyes (Duet ver.)
Falling in Love
If I (You & Me & Me X 2NB)
All My Love
Hey Boy!!
One My Love (Radio ver.)
Love Affair (instrumental)
After This Night
Will I Be Able To Love You Again?
When this heartbreak will end
Someday
How Can I Love
Far away
Love is only you (With G.O., Showgun)
To the ordinary you
