This is so much sexier then most porn especially porn that's just sex with no foreplay, sensuality or passion. Vintage erotica from the 70's 80's and 90's is still some of the sexiest videos I've ever seen.
or alternatively look up Story of O, the Series (1992) and again cut and paste "Story of O, the Series (1992)" and add 1, 2, 3 and so on on the end. Again this video is 3 and 4 of the series.