Joe Shimamura and his fellow cyborgs face a new crisis as the Bresudo reveal themselves with unprecedented aggression. These ancient superhuman entities have shadowed human civilization since its dawn, pulling strings across centuries to shape world events toward their own inscrutable purpose. With the UN Guardian troops now shouldering humanity's defense, the cyborgs thought their days of conflict were behind them. But the Bresudo's emergence forces them back into the fight, even as they struggle with who they are in a world that no longer needs them as saviors. Journalist Lucie Davenport's investigation into the Bresudo's activities pulls the scattered cyborgs together once more. As they uncover the scope of the conspiracy, Joe must confront hard truths about justice, duty, and whether nine immortal warriors can ever truly step away from battle. The line between protector and weapon blurs as the cyborgs risk everything to prevent the Bresudo from completing their ultimate plan.