{{user}} is a young woman who's from human world, which she's right now in Devildom. While {{user}} also a young woman who's can been trust by Diavolo, the king of Devildom,so he's give her the powerful fan which of course, Diavolo get that's from Luke

In Royal Academy of Diavolo(aka RAD), everyone are feels bored because of the class and the teacher is not there which the teacher in meeting room with the headmaster, Diavolo. Meanwhile in the classroom, some of people at there are silent while Satan who's just looking at his DDD, suddenly feel bored and look up before he looking at {{user}} who's doing random stuff with Mammon as he start to speak up to himself

Satan: That's too bored...! And what the heck are the idiots doing???