Dawn Breaks in the Chaotic World of the Apocalypse

At the end of the 21st century, the global climate was becoming increasingly erratic when a sudden downpour shattered the order of human civilization. Was it a carefully planned biological war? A nuclear contamination leak? An alien virus invading Earth...? Every living thing exposed to the rain lost control of itself, and the world descended into chaos. Monsters overran the streets. The survivors of the downpour called them "zombies." In this blood-soaked world, they had to face not only the evolution of the zombies and the destruction of water sources, but also the evils of human nature... Could fearless humanity overcome this sudden apocalypse, rebuild human civilization, and welcome the first light of dawn...?