The story takes place in a world governed by an endless cycle of regeneration. At the end of time, a great war breaks out to protect the world from annihilation and then rebirth from scratch. To ensure victory in the coming war, the Guardians of the Worlds choose 6 different heroes. To lead the world of mortals to victory in the coming war, 6 different heroes from different worlds, the novel follows 6 different story lines to cover the adventures and confrontations of these heroes stuck in an ill-fated fate