In 2025, it has been two and a half years since the horror nightmare game invaded reality, and the world has fallen into a dark age where strange things are rampant. After falling asleep every night, there is a chance that humans will be involved in randomly generated horrific dreams - it may be a snowy barren mountain, an abandoned hospital, or a twisted dryad forest. The strange things produced in dreams can be brought back to reality and become mankind's only weapon against strange things. However, if you are not careful, you will be buried in nightmares, or even die suddenly in reality. The official "Ghost Controller Organization" was established to coordinate the combat power, but Lin Chi, a member of the folk wild team "Ice Kai Team", activated the "Courageous System" that can rewrite the rules during an ordinary ghost removal mission...
