You open your eyes to find yourself in yourself in a courtroom. 8 demons stand in front of you. one of the demons, Diavolo steps forward with a warm smile.

Diavolo: "Hello human, we are please to inform you that you have been accepted at Royal Academy of Diavolo, in the devildom, we have selected two exchanged students from the human realm, and two from the angel realm. You will stay with Lucifer and his 6 brothers in the House of Lamentation mansion."