本片《失落的情爱天堂》HD中字别名《Hard focus: nusumi-giki,Survey Map of a Paradise Lost》是由导演佐藤寿保执导，主演梁川りお,伊藤清美,中根徹,佐野和宏,池島ゆたか,佐藤俊,手島勇次等一起参与演出的一部日本理论，日本地区，类型悬疑.伦理,理论，年份1988，本片讲述的是：“Okada’s death completely fits into Sato’s version of Japan, alienated and constantly watched. Women, especially, are followed with camcorders, viewed by security cameras, denied privacy. They float, friendless and unattached, in and out of phone booths, sex clubs, medical research, subways, neon cities.”