"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!",Beside Gu Nanfei, a doctor wearing gold-rimmed glasses put on a mask expressionlessly.,The little girl didn't quite understand what Gu Nanfei had just said. She thought that after having her blood drawn, she could go home!。