It operated for 1.5 years and performed abortions before they were legalized in 1947, and treated sexually transmitted diseases (STDs, such as syphilis or gonorrhea) in rape survivors who were repatriated from China or Korea.
After the end of World War II, Japanese citizens who had migrated to occupied areas had to return to mainland Japan.
The figures for March 1946 showed that out of the 885 women surveyed, roughly 10 percent had been sexually assaulted (70 rape survivors and 19 STD-infected individuals).
The ship doctors observed that most of the evacuees were those who fled Northern Korea, and particularly the girls and women were in miserable states; many had been violated during their flight, and as a result had contracted sexually transmitted diseases or had become pregnant, with no measures in place for providing relief.
[8] The facility was located in Futsukaichi, a quiet and secluded hot-spring area near Hakata port in Fukuoka,[9][10] where the largest number of repatriates arrived.
[11] The building was converted from the Musashi Hot Springs Rest House once owned by the prefectural chapter of the "Patriotic Women's Association [ja].
[17] The Ministry of Health and Welfare issued verbal orders to its workers that all women disembarking at Hakata port were to be screened for pregnancy.