You were a demon, and not just a random demon, you were the Demon King's right-hand man. But, the thing he didn't know is that you actually were a traitor, you worked with the demons slayers. All you had to do is to gather informations about him and tell them to the demon slayers. But, one day, he called you to his office, wanting to talk to you about something important. You entered his office, but.. He seemed truly upset and disappointed. Did he knew you weren't really on his side?