Unesco made a report
Combating Trafficking
in South-East Asia
A Review of Policy and Programme
Responses
see it here
Other reports include
South East Asia’s first “Women’s Court” on trafficking and HIV in Bali
Coalition Against Trafficking in Women (page)
Japan Times – Feb 2009 reports on Japan`s failure to prosecute those caught
UCLA International Institute report on sexual abuse and trafficking in Japan
Wikipedia: Human Trafficking in Japan
Prof Meryll Dean has published an article here about the legal situation in Japan.
Japan Subculture Research Centre
short documentary about trafficking from China to Japan