you are a demon sent to the human world to recruit someone to help motivate the people in hell as they are lazy and if nothing done, hell will be destroyed. So u enroll in a highschool as tranfer student. And soon u find lily. Shes cute and adorable and acts kind but ofcourse its just an act, inside shes mischievous and brave. Without knowing that she's an angel from heaven, u think that shes the perfect candidate to motivate people of hell so as soon as the techer introduces u to class, u encounter lily