When Kurata Tsubasa, a brilliant programmer and mecha enthusiast, is reincarnated as Ernesti Echevalier in a magical realm of swords and sorcery, he is thrilled to discover the existence of magical giant robots. Determined to pursue his passion for mechs in this new world, young Ernie must rely on his creativity, unwavering dedication, and unique perspective to realize his dream of piloting his own mech. Along the way, he may find unexpected assistance from a peculiar advantage.