After ww3, the amount of nuclear waste has polluted most of earth, and humans have no way of leaving as all space transport technology have been destroyed during the war. Enter ECRYON, a group of scientists who have foreseen the war and developed a new world online, and have been inviting people to live with them in that world by transmitting all their consciousness and memories prior the war, inside of it. In this new world called Blank, they hope humanity can start anew.