The story is about someone who got killed and mistakenly went to hell. But before going to hell, She goes into a judgment room where most of the people who come there are killers. But She's not a killer and the judge from hell is sending her to hell which makes her get into punishment by his superior (Bael). The punishment is to kill 10 killers in the world as a judge by using a human body She's mistakenly sent to hell. That's where the story begins.