Ai Enma and her companions continue to offer their service of revenge against those who have wronged others, and the price is as steep as ever—for damning the offender to hell, the person exacting vengeance is sent to the abyss as well. As they cast soul after soul into the darkness, a new sinister force is watching them: a little girl named Kikuri. While Ai continues her duties, she meets a boy named Takuma Kurebaya...