Zheng Ren looked at him for a few seconds and felt that he was very familiar. However, he could not tell who he was with the mask on.Even without the mask, Zheng Ren still could not recognize the person.Su Yun helped carry the patient and followed Zheng Ren's gaze as he exclaimed, "Eh? Isn't this Mu Tao from Shenzhen City?""Mu Tao? Is he Wu Haishi, Elder Wu's student?" Zheng Ren remembered the name but could not remember the rest."Yes." Su Yun's voice was a little muffled through the sterile mask. "This guy came here to sleep?""He's probably tired."Su Yun also knew but just said it out of habit. In fact, he was also very tired. He felt like his body was falling apart. He could fall down at any time and fall asleep immediately."Su Yun, go and sleep for a while," Zheng Ren said.