"If you don't want this photo to be spread around, do as I say." One day, a boy whom Reiko thought was her son's friend suddenly showed his fangs. Reiko had been grateful that the shy boy had become friends with her son and never dreamed that his true intention was her body, so she often let the boy come over to play. However, the boy who had secretly filmed Reiko masturbating abruptly changed his attitude. Reiko was helpless against the blackmail from the boy who had grown up in cunning and dick alone...
