[Protagonist: Zhou Yan, 21 years old]
The bright comet streaks across the sky, what kind of madness is hidden behind the beauty?
The city has turned into a nest of crawling corpses. Where should Zhou Yan and his sister go?
Are the walls built by civilization impenetrable, and will order remain ironclad after the disaster?
Zhou Yan holds the caliper tightly and lets the doomsday tell you!
Everything has just begun.
