They were best of friends ever since they met in middle school. They knew everything about each other. People used to call them 'twins from different mothers'. But High School is completely different for them.They became strangers to each other. And there lies a specific reason for it!!! SON NAEUN The visual of her group Apink. Kind to everyone and loved by everyone too. But can be an evil witch to the one and only  KIM MYUNGSOO.

Gigi met Yune when Gigi first came to Seoul High. They became inseparable. One of them likes the brother of the other and the latter has a huge crush on her brother's bestfriend. What will happen if the crush of both the guys who almost ruined their friendship returns back from abroad? How will the ladies take it???