The Core of the Old World

Han Shuo, a scavenger living in the underground "Well," was saddled with an enormous debt and forced to accept a dangerous job: retrieving a mysterious iron case from Sector C-7, a radiation zone on the surface. While the drug "Freedom" was still in effect, he followed a makeshift scavenging team through the "Upside-Down Forest" and managed to sneak into an underground ruin, where he found the case. However, on the way back, he discovered that unknown people were following him, and he also ran into the Ark Company's "cleanup" drones. To evade pursuit, Han Shuo was forced to abandon his planned route and flee deep into an unknown subway tunnel, where he unexpectedly discovered a massive metal door...