The dark side of the story is that the door of the ancient and magnificent mountain temple is open, but you can get in but you can't get out. In the oppressive darkness, there were many people talking, but no one could be seen. Everyone's name is a creature that does not belong to this world, and everyone's words may be lies. The strange mountain temple is operating silently, defying the laws of physics, the order of the universe, and the world, and harvesting the lives caught in it. Every lost person looks for a glimmer of hope, but unexpectedly finds something beyond life and death...