It seems that a video of a Japanese man having sexual intercourse with Korean women spread on the Internet last October. The video titled "The Miserable Circumstances of Miss Korea Deriheru" posted on the Japanese adult site is a problem video that hides the whole story of sex with Miss Korea Deriheru who came to work in Japan as an overseas expeditionary prostitution. About 20 women appear in the video, and some women appear repeatedly. The woman whose video was released is said to be complaining to the human rights counseling service of prostitution women that she wants to die. The National Police Agency's International Crimes Investigation Team carefully checked the video and found a scene in which the male face was not mosaicked for 1 to 2 seconds. Police showed a photograph of a man's face to women who had been prostituted on an expedition and searched for the man's identity. The man found out that he was a Japanese named T. He reported the identity of the man to the Japanese police and asked for cooperation in the investigation, but the Japanese side did not respond. The lively conversation with Miss Deriheru, who speaks Japanese in Katakoto, and the video that clearly shows the sex of different human beings became a problematic work that was reported in Chinese news ...