In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state. However, this organization is not as benevolent as it seems and employs any means necessary to achieve its goals. For instance, they send ordinary people into monster habitats to retrieve valuable items. If these individuals fail to do so within the allotted time, they are