Because Huang Fushan had not been found when Huang Fuxiong was in office, and his son and daughter-in-law both died on the way to find Huang Fushan, he chose Nanfeng Four Musts for training and chose the best one as his successor. For the convenience of training, they live in his house. There is also the fact that Nanfeng Sijue's parents are not dead. In one episode, Shanshan decided to marry Cai, so I went to see him.