By the last word, Gu Nanfei’s face was contorted like a demon, “This is the last time, drain more blood! After the surgery, my son’s body will be very weak and need a lot of blood to nourish him.”,Beside Gu Nanfei, a doctor wearing gold-rimmed glasses put on a mask expressionlessly.,The blade slashed through flesh, making a "sizzling" sound.。