The devil is a part-timer!

After the Devil King traveled through a parallel universe into modern-day Tokyo, he's forced to live as a normal human who works at a local fast food restaurant until he can find a way back to hell. And when a young girl enters through a portal that opens up, she is calling the Devil King "papa" and the Hero "Mama." Amidst their shock, Maou and Emi will have to figure out quickly how to make the grade as parents.