She married Keizo Muraoka in 1919. They had a son in 1920. In 1926, after Keizo's printing company went bankrupt after the 1923 Great Kanto Earthquake, they restarted the company in their home. Soon after that, their son died, leaving Muraoka depressed. Katayama encouraged her to translate Mark Twain's "The Prince and the Pauper", and this helped her resume her normal routine.