The story is often experienced through survival-strategy mechanics, where the player must manage a group while avoiding being swarmed by "sniper dudes" and endless waves of zombies. Visual Novel Closed Area Block Z Discussion - Facebook

The narrative follows the protagonist, an "Undead" who has spent years in captivity within the high-security confines of the prison. After decades of isolation, the Demon King offers a chilling bargain: freedom in exchange for becoming the physical manifestation of Lust , one of the seven deadly sins.

In the world of , a visual novel and doujin game, the story centers on the remnants of human civilization thirty years after a global collapse. The Story of Block Z