Why are Wang Xin's family Japanese?

Wang Shen's family became Japanese because it happened to be during the Cultural Revolution, and Wang Shen's children were all studying in Japan. Due to some unavoidable reasons, they chose to become Japanese citizens in order to learn more knowledge. Although their descendants are also from China, in order to better adapt to the environment and receive education here, he gave them Japanese citizenship. Wang Xin (October 1918-October 15, 27), formerly known as Wang Shengeng, was the honorary chairman of Tianjin Music Association and the winner of the Golden Bell Award of China Music Association. He joined the revolution in 1936 and the China * * * Production Party in 1943. He has successively served as the head of Tianjin Music Troupe, vice president of Tianjin People's Art Theatre, dean of Tianjin Song and Dance Theatre, executive director of China Music Association, chairman of Tianjin Music Association and vice chairman of Tianjin Federation of Literary and Art Circles.