As he uttered the last word, Gu Nanfei's face was contorted into a demonic grin. "This is the final time. Take more blood! After the surgery, my son's body will be very weak and need plenty of blood to nourish him.","Doctor, what are you going to do... I'm afraid, Ning Ning is afraid.",The little boy looked at his father, his eyes flashing with excitement. "Quickly, take out her heart, give it to me!"。