After surviving a near-fatal accident, Ryo Kayama is reborn as ROSE, a deadly assassin tasked with eliminating “Kitsune,” a hitman targeting the Hong Kong mafia’s Oshiro Syndicate. But when a former mercenary cleaner enters the conflict, ROSE becomes caught in a brutal war between the Yakuza and Hong Kong mafia. As hidden connections unravel, the mission races toward a ruthless final showdown.