Hotaru, an honor student who attends a school in Tokyo, is a serious student with a strong sense of justice. He serves as a member of the Ethics Committee, and plans to go on to a famous university after graduation. One day, "Hotaru" was careful that the delinquent student "Kawagoe" was bullying his classmate "Meguro" and saved Meguro, but he was stunned by Kawagoe's violent act, which made him angry at his act, and he was put under house arrest in a classroom with no students during the winter break. - And the fleshy honor student body was endlessly devoured by the lowly people ...