Hataraku Maou-sama! is a comedic fantasy anime that follows the story of the Demon Lord Satan, who, after being defeated in his world, escapes to modern-day Tokyo. Stripped of his powers, he adopts the identity of Sadao Maou and takes on a part-time job at a fast-food restaurant to survive. The series explores his humorous attempts to adapt to human society while finding a way to regain his powers and return to Ente Isla.