Deadman Wonderland, Volume 6 (Deadman Wonderland #22-26)

Despite the loss of their leader, Scar Chain manages to defeat the Undertakers and escape, but Ganta and Shiro stay to fight on. Tamaki, the insane mastermind of Deadman Wonderland, initiates his next plan - the development and deployment of the Ninben, artificially created Deadmen - and Ganta’s friend Azami is one of his first test subjects!