Here are the performers:
April Kiss - April Kiss
G.D.M - M.I.B
My love Ssagaji - Fat Cat
Without You - Twilight
Broken Yesterday - Flower
Message - MYNAME
Only you - Seo Youngeun
Goodbye Valentine - May Bee
I miss you - Noel
Paradise + Be Mine - Infinite
Won't meet - Gan Miyeon
What are you - Ali
Be Quiet - Kim Wanseon (ft. Yong Junhyung of BEAST)
Yesterday - Kim GyuJong
Oppa I know - Clover
Love is Move - Secret
Like Birds - FT Island
Shanghai Romance - Orange Caramel
Love Love - Davichi
Hello - Huh Gak
The Boys - Girls' Generation
Don't miss it or else, you'll regret it! :)
Source: KBS FB