Background
Anzai was born on August 11, 1927 in Kobe, Hyōgo Prefecture, where her father was a banker. She accompanied her father when he was assigned to Germany from 1927–1932, and to Tsingtao and Tianjin in China from 1932–1942, where she was exposed to folk tales and literature from both European and Asian traditions.
Career
Anzai has concentrated her efforts on stories set in China with historical themes, or on contemporary stories based on traditional Chinese motifs. She attended the Qingtao Girls Middle School from 1940–1942, where her interest in writing was encouraged by her father. As the situation for Japan in World World War II worsened, she was sent from China to Japan, where she graduated from the Kanagawa Daiichi Girls Middle School in Yokohama, Kanagawa prefecture in 1944.
Anzai married Satoru Tominaka, a businessman, in 1946.
She formed a literary criticism group called Namboku ("North-South") in 1953, where authors could support each other as well as review each other"s work. Anzai divorced in 1972.
She later worked as a free-lance interviewer and writer She currently resides in Kamakura, Kanagawa.