White, who has lost his memory, is reincarnated in a magical world where he must steal the moon in order to return to his world and find answers to his many questions! In this dark world, humans are divided into various factions: ordinary humans, magical humans, the outcasts, and the Luminions, who are considered slaves to the sorcerers and mere vessels for mana. However, despite his status as a slave, White decides to seek revenge and find his way toward understanding himself and his new world.