Today, it should have been a day for my teacher to impart knowledge and resolve doubts. Yet, I don't know what happened to make him so angry!,When he uttered the last word, Gu Nanfei's face was contorted like a demon, "This is the last time. Take more blood! After the surgery, my son's body will be very weak and need a lot of blood to nourish him.","Nong Nong it hurts so much... Come save Nong Nong!"。