The Cannon-Fodder Educated Youth in Period Literature Has Awakened

There is always such a kind of person in many novels. They have a good family background and good character, but they often die young. It seems that their existence is just a stepping stone to become the protagonist. Unfortunately, Gu Ning's existence is to become the biggest and most stable stepping stone for the protagonist. But, Gu Ning woke up. The first thing you do when you wake up is to take off the safety buckle around your neck and drip your own blood on it. In the story, Ping An takes a drop of blood to identify the owner, but there is an unknown space hidden inside. In this age of material scarcity, everything in space is extremely precious. Purpose: Change destiny