Cast adrift on a barren island, a young boy awakens with fragmented consciousnesses—his own fading childhood memories intertwined with the rich experiences and knowledge of an accomplished adult from another lifetime. His profound isolation shatters when a formidable master discovers him and claims him as a devoted disciple, unveiling a shocking revelation: magic flows through their world, and humanity harnessed this mystical power to conquer and dominate the galaxies scattered across the cosmos.