A mysterious thriller game suddenly appeared, and countless players were involved in it, forced to survive in various horror copies. The game is controlled by an unknown force. The rules are complex and dangerous. Players who fail to pass the level will face real death. Those who pass the level can receive generous rewards and even have the opportunity to realize a wish. The protagonist is a thoughtful and intelligent player who unexpectedly acquires the special identity of "the mastermind behind the scenes". On the surface, he has to participate in the dungeon like an ordinary player, but in fact he can secretly control some elements in the dungeon, such as setting traps, summoning monsters, changing the layout of the scene, etc., To achieve his own goals while avoiding being discovered by other players. The protagonist gradually discovers the truth of the matter while clearing the level again and again.
