Plot: After being killed by a betrayal, a mob boss named Arthur wakes up as an F-rank outcast at Stydia Dragon Academy. To return home to a rich new life, he actively seeks to get killed, which inadvertently turns him into the protector of Nora. When her family is brutalized, Arthur drops his escape plan, awakens his true form as a pureblood black dragon, and fights back against the academy's hierarchy.