"Are you sure its OK, I might do it wrong and hurt you" "I don't think you will". I bent down and licked his cock hole, some pre-cum appeared and I su...ked it in my hungry mouth."You taste just like my cock" I sucked and sucked, feeling his knob sliding past my lips I added a little more suction and was rewarded with more warm juice. My hands were now roaming from his balls to his smooth ass as my mouth worked up and down on his cock and shaft, tasting more juice all the time, my aching cock. Then he dropped the ribbon straps of his slip from his shoulders, put his arms through the straps of the bra, leant forward and attempted to do it up behind his back, just as he had seen many of his previous girlfriends do. It was impossible! - how did they do it? - possibly because he had no heavy breasts to fill the cups and anchor the bra. So he slipped the straps from his shoulders, turned the bra round, did up the hooks and eyes, twisted it round again so the join was in the centre of his. Suddenly an idea stuck to my mind that if I peep through the door I can see the beauty of bare sister. But I felt hesitant at beginning fearing that she will come to know about what I am doing. However I thought I should not miss the golden opportunity slowly I kept aside the plate and without making any noise I went near the door. I held my breath and I peeped from distance. I could see the part of hips but could not see the breast. I took some more courage and moved little towards the crack.. I agreed to her coming to stay until things improved and when I got home I found Abi and my wife waiting for me. Abi is a typical 18 year old girl, slim, quite pretty and a little bit shy. Three things struck me about her, her sparkly eyes, sexy looking lips ( cocksucking lips was my thought) and an impressive set of tits given her build. I did wonder if they were all hers or the product of a padded bra, an answer to which I found out the following week.Things were normal for the 1st week, with.