<P> The sex industry in Japan uses a variety of names . Soaplands are bath houses where customers are soaped up and serviced by staff . Fashion health shops and pink salons are notionally massage or esthetic treatment parlors; image clubs are themed versions of the same . Call girls operate via delivery health services . Freelancers can get in contact with potential customers via deai sites (Internet dating sites), and the actual act of prostitution is legally called enjo kōsai or "compensated dating" to avoid legal trouble . </P> <P> Kabukicho, an entertainment and red - light district in Shinjuku, Tokyo, measures only 0.34 km, and has approximately 3,500 sex parlors, strip theaters, peep shows, "soaplands",' lovers' banks, porno shops, sex telephone clubs, karaoke bars and clubs, etc . </P> <P> It was reported in 2003 that as many as 150,000 non-Japanese women were then involved in prostitution in Japan . According to National Police Agency records, out of 50 non-Japanese people arrested for prostitution offences (売春 防止 法 違反) in 2013, 31 (62%) were mainland Chinese, 13 (26%) were Koreans and 4 (8%) were Thai . </P> <P> In Tokyo, prostitution dates back several hundred years . In the early 17th century, the first attempts were made to regulate prostitution in the Yoshiwara district of Edo (present - day Tokyo). A law was passed that required prostitutes to register and work in secured facilities, its main purpose being for tax collection . </P>

The burakumin in japan are regarded by japanese society as a(n)