 The last recorded oiran was in 1761.Karayuki-san, literally meaning "Ms. Gone Abroad", were Japanese women who traveled to or were trafficked to East Asia, Southeast Asia, Manchuria, Siberia and as far as San Francisco in the second half of the 19th century and the first half of the 20th century to work as prostitutes, courtesans and geisha.In the 19th and early 20th centuries, there was a network of Japanese prostitutes being trafficked across Asia, in countries such as China, Japan, Korea, Singapore and British India, in what was then known as the ’Yellow Slave Traffic’.