Year 2056, in a city in Yuan Jiang Su Jin. Atop a shattered, demolished six-story apartment block sits a teenager wearing a combat vest, militarist pants, and alloy combat boots. 

On his back is a hexagonal shield, as well as a combat knife with a bloody shadow. 

He sits silently on the edge of the roof. At this time, the sky sparkled, and there was a refreshing breath in the air that blew to him. 

However, in the ruined, deserted city, only silence reigned, and from time to time a howling voice made your heart beat faster.

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