Entrepreneur, founder of Japan Women’s University. Born to a wealthy merchant family, Mitsui, in Demizu, Kyoto. In 1867 she married into another wealthy merchant family, Kajima-ya, in Osaka and rebuilt Kajima-ya’s business after the Meiji Restoration. In 1884 she started to manage a coal mine business, founded the Kajima Bank in 1888, and participated in the establishment of Daido Life Insurance Company in 1902, through all of which she showed talent for business management. As an educator she gathered donations from politicians and business leaders and helped establish the first women’s university in Japan (later Japan Women’s University) in 1901. After her retirement from the business world, she continued social activism.