Boundless Wind

Man, Woman, children, Elderly and even the sick or babies are all inexplicably teleported to the bottom floor of a tower, separated in groups of 1000 each in a subfloor of their own. Two gas station workers Apollo and Clare are no exception as they find themselves in the ruins of a city with 998 other strangers, a forest just a hundred meters from the city entrance and monsters ready to tear into their flesh. As the two ascend the tower what will they gain but also lose?