In this opening episode, an eerie sacrificial ritual disrupts the normalcy of college life, unleashing dark forces upon the unsuspecting students. Supernatural entities soon emerge, sparking intense conflicts that hint at a larger, world-threatening cataclysm. Nineteen-year-old Masao finds himself uniquely positioned when the ruler of the underworld becomes bound to his soul, granting him both power and peril. As chaos spreads across the campus, he must decide how to wield this connection to safeguard his world from impending doom.