Wear Books! When Will We Start Saving Them?

Before Chuan Shu: I thought that with a system, my skills would come from the sky and break the sky with one punch. After passing through the book: The system rewarded me [survival]. No exercises, no elixirs, no guidance, just a reminder when I'm about to die. He was taken back by the Demon Lord as a descendant to grow medicinal herbs, treated as a sympathizer by the female assassin, and even took the Demon Lord's daughter to escape over the mountains... Gu Cheng, a good law-abiding young man in the 21st century, now has only one goal: to survive.