Ling explained: "that's because the surname of Xu Feng's family in Japan is Okamura. According to legend, the surname of Okamura originated from Xu Da, the founding father of the Ming Dynasty. Later, he took refuge in exile in Japan in the Ming Dynasty and changed it to Okamura. Xu Feng's Japanese name is Katsuhiro Okamura, who means the second in his family, so his Chinese name is Xu Feng. "

lingfeiyin continued: "when he was seven years old, his grandfather sent him to my sixth uncle's house. I played with him from childhood to college, and then returned to Japan when he was sixteen years old. We've never been...