In the ruthless Japanese military enterprise "Regeneration Security" used the bodies of mercenaries killed in battle to give birth to a new variety of evil corpses-living ninjas, and spread everywhere to create unrest. A black ops team was ordered to destroy the evil legion, but was fiercely counterattacked and trapped in a "regenerative security" skyscraper. Under the condition that this group of elite soldiers must be attacked on their backs and on their backs, they have to find a way out of life.
6.5
