Seven Days of Apocalypse

I thought I had found a high-paying job to pay off my debts, but I was told that I had been chosen to participate in the [Experiment] Seven Days of Apocalypse.I thought that surviving the death game would allow me to live, but I was told that only one person could survive.I thought the survivor would be a god, but then everyone mutated…Everything has become a dead end, and this place has become our burial ground...