It all began when Mayumi lost a hundred thousand yen that had been collected by the entire class for charity. For a middle‑school student, that's a very respectable sum. Fearing the collective wrath, the girl secretly borrowed money from the class queen Aya Kuroda, becoming a toy in the hands of this malicious beauty and her friends. Under threat of being exposed for her deception, unfortunate Mayumi had to obey all the humiliating orders and demands from Aya, sinking deeper and deeper into a mire of lies. A rumor appeared to her like a straw for a drowning person, that there is some mysterious website on the Internet where you can enter the name of your offender exactly at midnight, and that person's soul will be sent straight to Hell. The truth is, perhaps you have to pay for such a service with your own soul...