The End of the World: the Strongest CS System!

Feilu's first CS-themed post-apocalyptic zombie story! The mysterious Delta of Death emitted unknown gray gas. Three days later, an apocalyptic crisis broke out around the world, and zombies attacked! The beginning is a hell-level copy: Death Metro! Ling Xiao, who was in a confined space, faced endless zombies in the subway, and was lucky enough to obtain the strongest CS system between life and death! He! Can it survive? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.