Instilling terror into mortal hearts, the Demon King Satan sets out to seize Ente Isla with his immense demonic legions across the vast realm. Yet, as he pursues this ruthless campaign to dominate the continent, the valiant heroine Emilia thwarts his plans, compelling Satan to flee swiftly through a dimensional rift that ultimately drops him into the human realm of. Together with his faithful general Alsiel, Satan finds himself marooned in contemporary Tokyo and swears to return, hoping to finish subduing Ente Isla—provided they can locate a portal back to the world's gate. Devoid of sorcery in this new world, Satan adopts the identity Sadao Maou and takes a job at MgRonald's—a local quick‑service joint to survive and earn a living. He soon discovers that merely reclaiming Ente Isla is insufficient; he becomes determined to ascend the corporate hierarchy, aspiring to rule Earth by satisfying each patron one at a time in the world today and. Whether juggling part‑time shifts, household chores, or simply striving to pay rent on schedule, Hataraku Maou‑sama! delivers a comic glimpse into the most ordinary facets of daily existence, all from the perspective of an inept demon sovereign today.