Ren Nosogi is a freelance “Sweeper,” a person who specializes in dealing with all things supernatural.
One day, while investigating a series of disappearances, Ren gets caught up in an incident that puts her in massive debt.
While trying to come up with a way to pay it off, she receives a special request to investigate and take down an evil cult.
While the request is extremely dangerous, the job pays very well. Seeing no other choice, Ren decides to take on the job.