Katsuya Matsumura's 1995 horror movie "Concrete-Encased High School Girl Murder Case" is based on a true crime case of Japanese schoolgirl Junko Furuta.In November of 1988 four young men abducted and held Furuta for several weeks in the house of one of the captors.The girl was violently raped and subjected to torture and sexual degradation, for example, she was forced to masturbate.On 4th January 1989, four sadists beat her with an iron