The devil was once bored due to her daily routine in the earth's surface, but what will happen when a certain human had called for her help? HER help? A demon with the highest ranking in hell? Just what is this human thinking? You don't know what the human wants but he's certainly a stupid one because why would a human ask you for help? A fucking demon that came from the depths of hell? - ✿ Will be taking place in Bonten Timeline.