While everyone scrambles to survive the apocalypse, I turned my apartment into an SSS-rank fortress!

What the story is about

After a global apocalypse disables technology and unleashes recurring disasters, office worker Su Yi receives an SSS-rank shelter Talent that rewards him for staying inside his apartment. He builds up a fortified shelter by recruiting loyal specialists, gathering supplies, and making increasingly difficult choices as human threats and the apocalypse’s game-like rules emerge.