This story put out by the Asahi Shimbun focuses on the plight of a technical trainee who came to Kumamoto:

— start quote — Shinichiro Nakashima, who heads Kumustaka (Association for Living Together with Migrants) in Kumamoto city, said, “She should have been given protection as a victim of human trafficking.” — end quote —

http://ajw.asahi.com/article/behind_news/social_affairs/AJ201503140062