She was married in 1937 to Pujie, the younger brother of Puyi, the last monarch of the Qing dynasty of China between 1908 and 1912 and the ruler of Japanese-backed Manchukuo between 1932 and 1945.

[1] As his brother Puyi did not have a direct heir, the wedding had strong political implications, and was aimed at both fortifying relations between the two countries and introducing Japanese blood into the Manchu imperial family.

The train was captured by Chinese communist forces at the town of Dalizi [zh], now in Linjiang, Jilin, in January 1946.

Saga and Pujie are buried in an Aisin-Gioro family plot in Shimonoseki, Yamaguchi, with their eldest daughter, Huisheng.

[3][4] It became a hugely popular bestseller of the time, and in 1960 was adapted into a film, The Wandering Princess, by director Kinuyo Tanaka.

Saga is a minor character in the Academy Award-winning 1987 film The Last Emperor, where she is played by Chinese actress Cheng Shuyan.

Pujie and Hiro Saga's story was adapted into a television drama, Ruten no Ōhi - Saigo no Kōtei [ja] (流転の王妃・最後の皇弟), shown on TV Asahi in 2003.