From the very start, Tamito Ichimura's existence seems cursed by misfortune, plagued by a series of bizarre crimes. Despite this grim reality, he remains vigilant, anticipating the next absurd incident. When Tamito intervenes to rescue a girl from an attacker on his first day at a new school, he discovers a startling truth about his classmates—they are all either criminals or suspects, including the girl he saved. Initially reluctant to stay, Tamito finds himself reluctantly entangled in the school's peculiar web of intrigue. Amidst the constant threat of criminal encounters, he forges unlikely connections with his unlawful peers, navigating a surreal and perilous journey through this unconventional educational institution.