Welcome to the 41st century: New worlds, new characters, new adventures. The cyborg ronin named Rai embarks on a thrilling quest to save the future. Side by side with his prototype and predecessor - the robot boy called Raijin - the spirit guardian of the fallen nation of New Japan will journey into the wastelands of Earth to set right the wrongs of their onetime overlord once and for all. Multiple New York Times bestselling and award-winning writer Dan Abnett (Guardians of the Galaxy) joins forces with breathtaking artist Juan José Ryp (X-O MANOWAR) to begin the essential sci-fi series of the next two thousand years! Collecting RAI (2019) #1-5.