The Harsh Life in a Doomsday Shelter

The apocalypse arrives: meteorites, tsunamis, scorching heat, and cold snaps.

A silent war is about to begin. Survival or death?

Lin Hai, reborn, carries a Shelter System and will fight to survive.

Iron door -> three-layer iron door -> alloy iron door -> vibranium door

Machine gun -> Gatling gun -> Thunder cannon -> laser cannon

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.