다음 중:Hotaru, an honor student who attends a school in Tokyo, is a serious student with a strong sense of justice. She serves as a public morals committee member and plans to attend a famous university after graduation. One day, Hotaru saves Meguro by warning him that a delinquent student, Kawagoe, is bullying his classmate, Meguro, but Kawagoes violent actions anger him and cause him to faint. He is arrested and placed under house arrest in a classroom where there are no students during winter break. And then, her plump, honor student body was endlessly devoured by these vile people...