The world of Jiang Yan, a girl from the Gray City, is one of endless labor and gray skies. Because of an abnormal source crystal, the mysterious young man Jingyi broke into her stagnant life with scars and warnings, and a huge conspiracy sweeping the upper city and gray city began. The remains of ancient civilizations, the desire for immortality, the beacon of oppression and resistance... On this super earth called Morning Star, two tiny souls will search for the first glimmer of light in the darkness for each other and for all living beings.
