Come Play with Me (movie, 1977)

Two alluring young ladies live with their beautiful widowed aunt on a secluded wooded estate. The women have earned themselves quite a reputation in the surrounding towns and men from all over the region are frequent visitors to the small countryside home, hoping to encounter one, or preferably both, of the seductive nieces. Of course, the aunt has equally strong desires and refuses to be outdone. Soon all three are offering the many courters the chance to Come Play with Me!