In a near-future world where holographic card duels blend technology and ancient mysticism, Mokuba Kaiba rose from a troubled orphanage to lead Kaiba Tech, a mega-corporation specializing in virtual reality gaming. Haunted by his parents' unsolved murder, he channels his grief into unmatched dueling prowess, seeking ultimate power to uncover hidden truths and crush any who oppose him. His sharp mind and unyielding will make him a formidable force in the global duel circuit.