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When the level of Labor accidents begin to escalate around Tokyo Bay, police detectives Kusumi and Hata are assigned to investigate. What they discover leads to a series of government cover-ups, conspiracy concerning a new biological weapon entitled WXIII-Wasted Thirteen and a tragic, personal connection to Hata. The only hope to stop this threat is to cooperate with the military and lead WXIII into a showdown with the Labors of Special Vehicle Division 2.