Bai Yaoyao, who had been a weak girl since she was a child, was inexplicably pulled into a survival trial game full of crises. She was extremely frightened. Fortunately, she has always been very lucky, and this time she was not unlucky. She got a system that could improve her abilities by killing monsters and upgrading. This allowed her to survive the survival trials again and again, and transform herself step by step, heading towards the road of "bloodthirsty demon".