As an ordinary and happy ordinary person, there is a small part of the dark area in this world that you can never imagine or touch, because as long as you touch it, you will never be able to return to the sun. It is the eternal bottomless darkness and the most terrifying deep purgatory in hell. That dark purgatory is an existence that even the devil is afraid of. The people in purgatory struggled and rolled in this terrible purgatory, but when they touched the darkness, they were already cursed. It would be a permanent curse, and they would never be able to touch the light. And these people who could never return to the sun gradually became demons in purgatory in despair. Even the devil was afraid of their existence. In the end, these miserable people who were cursed to become demons forgot the color of the sun and fell into the darkness and could never get out.