When Earth is marked by the ancient overseers as the "Eighth Experimental Site," and the "Purification Protocol" from the Sea of Stars begins its 92-day countdown, the descendants of Xuanyuan and Jiuli, two bloodlines locked in conflict for 4,700 years, find their fates converging.
Lin Xuan, a geneticist with a burning sigil etched into his wrist, discovers a nonhuman fragment in his genes on the far side of the moon. Jiang Ying, a Jiuli warrior with a cold military token embedded in her collarbone, awakens an ancient creation called Xirang beneath Xi'an. From suspicion and confrontation to trusting each other with their lives, they pilot twin mechs and venture deep into the world's psychic energy nodes, uncovering a suffocating truth step by step: human civilization is merely an experiment that has been repeatedly "pruned," and their love, forged across an age-old feud, is deemed "genetic contamination" that must be eliminated.
To secure a chance at survival, they must prove before the Overseers' Council delivers its final judgment that emotion is not a weakness of civilization, but the sole force capable of transcending dimensions and creating new life. This is a defense of civilization spanning the stars, a science-fiction epic about defying fate, reconciling bloodlines, and protecting the ones they love. When the starlight of Xuanyuan and the shadows of Jiuli finally intertwine, what they create will be more than a future for two people: it will be the first step their entire civilization takes toward the stars and the sea.
Highlights: A stunning fusion of hard science fiction and ancient mythology • An intense romance between two powerful leads, from enemies to partners • A profound exploration of love and the value of civilization on a cosmic scale.
