He was a myth. A ghost in a blood-red hoodie and a terrifying golden oni mask, leaving silence and bodies in his wake. Engineered by the shadowy Ghost Chain through Project Omega Dust, he was the perfect assassin-until a single act of defiance, sparing a child, shattered his programming.Forced to confront his creators, the enigmatic Yurei and the calculating Director Lyon Kell, the Cleaner battles his own twisted past. From burning blacksites to a showdown with a perfected Cleaner 2.0 prototype, he finds an unlikely ally in the grown Yuki, a blind assassin seeking her own truth.Every old wound reopens as he fights not just for survival, but for his very soul. In a final, brutal job in Tokyo's neon alleys, he will dismantle the mask, expose the truth, and cleanse his own past. But some legends don't stay dead.