Years of Famine: I Can Exchange Food Endlessly, and Grass and Mustard Become King

After the modern young man Cheng Sixing died unjustly, he traveled through the Daqing Dynasty and became a refugee. He inherited five emaciated children who were crying for food. He faced the desperate situation of dying of cold and starvation. Facing this unknown and strange world, he was filled with fear. However, when he encountered a refugee predator who wanted to eat his son, he risked his life to protect the child, but activated the killing system... He died saving people in his previous life, but in this life he has to rely on killing to survive. So what? In this world of cannibalism, kindness cannot save children, nor can it save oneself. Since you can't escape, then fight your way out and survive with your children...