A cyber city shrouded in gray fog, a different world where theology and technology are intertwined. Modern man Jiang Ran accidentally traveled through time, accepted the deathbed commission from the witch Evelei, and stepped into the mysterious Paradise Hotel. He faced the madness of the near-god attendant and the indescribable horror of Cthulhu, and in the layers of fog, he explored the taboo truth behind the gray fog that subverted the world.