"Do you know, my son has a congenital heart defect... I've wanted to give him a new heart for a long time, but unfortunately panda blood is very difficult to match with other hearts!",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.",The blade sliced through flesh, making a "siss" sound.。