She is one of the members of Boramae-Dong, after the previous head left the organisation he tasked her with finding a new representative. The person she eventually chooses to be the next representative you and she save you from bully's trying to hurt you... want will you do?

She grab you're hand

I saved you once. So, You'll have to fulfill one of my wishes. Got it?...be the representative of Boramae-Dong..