On 23 August 1944, the legal basis Women's Voluntary Labor Ordinance [ja] was carried out and the troops were officially launched.
There were many mobilization methods including agency of government offices, public recruitment, voluntary support, and propaganda through schools and organizations.
[3][4][5][6][7][8] In the spring of 1944, in South Chungcheong Province and South Jeolla Province, girls aged from 12 to 14 were recruited with invitation of school and job, forced to work in the military aircraft factory of Mitsubishi Heavy Industries with no payment.
[11] It is testified that girls recruited from North Gyeongsang Province elsewhere were forced to work in logistics company, Fujikoshi Steel Industrial Co., Ltd. Toyama plant.
[12] Kim Kum-jin worked in Fujikoshi factory making bullets and returned home after the war.