Myung Choo's childhood had all she could ask for. Twelve best friends a loving family and a roof over her head. Until the day she turned six... She was kidnapped and was trained to be the ultimate weapon. Though when she remembers everything that happened before she was taken she still obeys and ignores the memories of her childhood. But will she be able to ignore them when the boss gives her a new mission... To kill exo. Her childhood friends. Will she be able to pull it off and bury her past? Or will she soften and find out secrets along the way?