Jo is my step daughter and has long been a fascination of mine; at least since she reached womanhood. She is 40 now, married and has kept her body shape better than most of her friends. I also know, since I have rifled through her underwear draw several times, that she has a 34 bust and a penchant for frilly and lacey lingerie. Several times (when safe) I have borrowed them and secretly admired them as I stroked myself into a powerful orgasm imagining myself watching her undress.

It was a warm sunny day and Jo came over to be with her Mum carrying several large carrier bags. My wife said that they were going to be sorting through their respective wardrobes to ascertain which of their clothes they should keep and those that were to be sent to the charity shops. She also said that I had better make myself scarce as this was no place and time for a man to be under their feet; this was ‘woman stuff’

As luck would have it I had recently installed one of those wifi security devices in the downstairs sitting room having read about a family abroad on holiday who received an alert from a similar device. Apparently the alert activated a recording function and gave the family chance to call the Police who promptly arrived and captured them in the act. Some other people use the devices to watch over their pets to see they are ok.

As I walked out of the room I remembered my device sat there on the shelf and that it was functioning. My devious, voyeuristic mind started to formulate a cunning plan. Grabbing my tablet I announced I was going upstairs to read my book and that they could have the privacy of the room to themselves. Soon I was laying down on the marital bed and with shaking hands; synchronised the two devices and started to watch as they swam into view with a clarity that only a horny voyeur could appreciate!

Shortly, they started to take the clothes from the bags and sort them into piles; bras, panties, skirts and dresses etc. Watching them I took my penis from my tracksuit bottoms and waited in anticipation for the fun to begin. Although in her mid to late 60s my lady wife kept herself in trim and I had always admired her breasts and the swell of her belly and firm thighs. Jo, was of a different magnitude. She had arrived in black ski pants tucked into calf length boots and covering her upper torso was a loose lacy top – the stuff of dreams! Before long they were disrobing right before my lecherous eyes; removing tops and trying-on different ones then skirts and dresses – my cock was swollen with carnal lust as all this happened and then they moved-onto the underwear piles!

Off came one bra then another and their breasts sagged as they bent over to choose and pick-up an item and wriggle themselves into it and hefting their tits left and right to get comfortable. Once installed in the chosen item they walked around each other adjusting straps; innocently jiggling each others breast to ensure all was safely gathered in. I was in seventh heaven watching them dress and undress into a succession of lingerie. Then came the climax (in two ways as dear reader you can imagine) as first my wife, then Jo, shimmied-out of their underwear. My wife has a neatly trimmed bush however Jo had opted to shave her minge and my cock was close to bursting as she bent over to pick-up a pair of lace and silk panties – I could see the crack of her gorgeous bottom and the hint of her pussy lips until she turned around and wriggled her smooth pussy and wonderful arse into its all encompassing embrace. Finally I could no longer resist as my pre-cum was dribbling with each stroke of my hand. I blew my load as Jo smoothed the material of her panties over her magnificent pubic bulge then bent her knees as if sitting down; the motion of which made her breasts jiggle slightly as she got comfortable inside them.