Surrounded by Zombies: Defending Our Home

The zombie virus suddenly breaks out, and nowhere in the world is spared. The protagonist leads a team through a desperate struggle to survive and builds a shelter. By chance, they discover the source of the virus. They find it and destroy it. But humanity still has to survive, and an even more terrifying evil organization emerges, seizing supplies amid the apocalypse. The protagonist and his team rise up against them.