Start with a Zero-Yuan Purchase? I Will Copy Unlimitedly!

Others were digging for food in the ruins, but I was sitting in the safe house cooking hot pot. I thought that the awakened useless copying power could only guarantee survival. It wasn't until I accidentally copied the military's lost "tinder of civilization" that I discovered that behind this doomsday there was a terrifying secret that subverted time and space—— Updated at 8 o'clock every night, daily, word count variable