After failing to conquer Ente Isla, the Demon Lord Satan flees through a portal, only to land in modern-day Tokyo with his loyal general Alsiel. Stripped of his powers, Satan assumes the human identity of Sadao Maou and takes a job at a fast-food restaurant, MgRonald’s, to survive. Struggling in a world without magic, Satan shifts his focus from conquering Ente Isla to ruling Earth, starting by climbing the corporate ladder. As he navigates the challenges of part-time work, household chores, and paying rent, Hataraku Maou-sama! humorously explores the mundane life of an unlikely demon lord.