As night falls, consciousness sinks into darkness, and the boundary between reality and illusion quietly dissolves. Every moment he closes his eyes is the male protagonist's ticket to enter the "Dream Prison Game". Here, fear is embodied in fangs and claws, and the unknown is woven into deadly puzzles. There is no save, no restart, every adventure is a game of life and death. When the dawn temporarily dispelled the darkness, the male protagonist discovered that the imprint of the nightmare was quietly seeping into reality. Is this never-ending nightmare a punishment or a gift from fate? And what kind of shock will the final truth waiting for him bring?