SNSD – The Boys
F(x) – Danger
4minute – Heart To Heart
T-ara – Cry Cry & Roly Poly
Secret – Starlight Moonlight & Love is Move
Sistar – So Cool
Miss A – Good Bye Baby
Wonder Girls – Be My Baby
Kara – Step
There is so many girl group in korea you can search it on Youtube:
After School
2NE1
Rainbow
Girls Day
Rania
Chi Chi
A-Pink
Dal Shabet
Chocolat
Brave Girl
