Merchant in the tea trade. Pioneer of Japanese tea exports. In 1853, she approached Carl Julius Textor, a German resident in Dejima, about finding a market for Ureshino tea. She received an order from England three years later and exported Japanese tea. She formed a friendship with the businessman Thomas Blake Glover and supported SAKAMOTO Ryoma, TAKASUGI Shinsaku and OKUMA Shigenobu. She was commonly known as “Oura no Okei-san”.