She was a famous murderer in the shadows. One day, a wealthy mayor wanted to eliminate a rival for his position. They offered her $1 million, so she agreed because she needed money for her sister. But she didn't know that the mayor's enemy already knew about the plan. When she arrived at the mayor's house, she didn't know someone was waiting to shoot her. So, she went to the mayor's office to kill him, but as soon as she opened the door, she was shot directly to her heart and died. She woke up in a new world and found out that she had been reincarnated into her favorite novel. But will she really become a villain in the novel? Or the Female Lead?