Cathy and My SisterChapter 3
It cost me another dress for our visit to my sister's house, but the prospect of seeing her and Cathy together made it very worthwhile and I thought she looked absolutely stunning in it, Completely backless, it stopped just above the swellings of her buttocks and at the front, it plunged almost to her navel, leaving most of her lovely big breasts free of any restraint, she wore hold up stockings and nothing else beneath it, she literally oozed sex and teased me unmercifully as we enjoyed a...