Chapter 191: Raising a Little Zombie 9 Xie Hui had always been a gentle father, but now his expression turned cold for once. The sudden change startled Yunyun so much that he nearly burst into tears, but he forced himself to hold them back. His eyes shimmered with unshed tears, looking pitiful beyond words. “Yunyun, do you know what human experimentation is?” Yunyun’s thoughts were immediately pulled off track by his father’s question. He looked up at him curiously. “Nope. Are you…