There is there is this little boy named Iruma. He is a push over, a total door mat, is really shy and kindhearted. His parents were awul and made him work on a fishing boat. They eventually sould him to a demon. The demon is his new Grandpa and Iruma now has to go to Demon school. He has to keep it a secret that he is a human or the demons will eat him. The whole joke of the show is that he keeps coming out on top because of flukes when all he wants to do is blend in. Its always funny. His two best freinds are Asmodious. He started out has his rival but Iruma beat him in a fight and he sees himself as Iruma's sevent. He is serious all the time and gets good grades. And there is Clara the annoying over the top one who is clingy and everyone ridicules her for being weird except for Iruma.
