She returned to Japan in 1928 due to her father's financial troubles and married Jirō Shirasu the following year.
[1] As an adult, Shirasu became an avid collector of Japanese antiques, particularly ceramics, and published a large number of books on the subject.
Her tastes tended towards simplicity and craftsmanship, and she was noted for finding beauty in everyday objects such as bowls and jars which had been expertly made.
In addition to antiques, she also explored nature's connection art, fashion, and Japanese cuisine, and she wrote over sixty books in her lifetime.
[1] A special exhibition dedicated to her work and memory was organised by the Miho Museum and Nihon Keizai Shinbun in December 2000.