In the near future world, three years after an unknown virus broke out around the world, human civilization is on the verge of collapse.
The real world is intertwined with a virtual space called the "Abyss Corridor", and cracks leading to another world are hidden in the dilapidated city.
There are special awakened people among human beings who can enter the rules-based ghost story world to complete tasks and obtain survival resources, but every task is a life and death game.
