Ganta and Warden Makina join forces to prevent Tamaki from gaining control of the Ninben killers. But the "Ko Unit," the ultimate Ninben, stands in their way. Once hostile toward Ganta, the residents of G-Ward offer their help, but each must fight against their old wounds as well as battling the Ko Unit. Ganta's search for the truth is going to cost him, every step of the way.