The End of the World Is Coming, Just Hang in There, We Can Survive

[Immersive experience of multiple copies × zombies/extreme cold/parasites...] Copy 1 --- Zombies (End) You are keenly aware that something is wrong. When disaster strikes, you have stocked up on supplies and are ready to survive until the end... Copy 2 --- Extreme Cold Chapter (End) When a natural disaster strikes, how do you survive in an era of scarcity of supplies... Copy Three --- Parasite Chapter When you think the crisis has passed, little do you know that it is dormant in the dark, waiting for one day to come back...