Doomsday: Awakening of Abilities, I Am Building Infrastructure Underground

A sudden disaster, The ground has plunged into an unprecedented crisis. People abandoned by the underground city "Bliss"! All kinds of resource wars are carried out in order to survive. How to stand in this chaotic world. And the male protagonist, Zhao. Find another way. Actually building infrastructure underground? I was the first to sign up as a citizen! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.