If the Sis is anything like Marcy, and you need help breaking her in, just look me up, anytime you are in town."I was going slow, sliding my cock in a...d out of her tight cunt, with long slow strokes. Her cunt would squeeze me all the time I was withdrawing. Once I was almost out, she would nudge me back in with her heels on my back, and I would slip back in easily as she relaxed her muscles, and her cunt was so wet.Marcy came out of the bathroom. She had dried off, and had a towel around her. To use a much used cliche; OMG!Saunas; not one, not two, but three. One for mom and dad ... and 10 friends. One for her older kids ... and 10 close friends. And one for the junior league; big enough for company. All three had outside access perfect for rolling in the snow.Hot tubs; the most interesting was the one on the boat dock. Ten or twelve soakers and the lake to cool off in. The master suite has a two person actual tub ... with a glass walled shower for four.“Where’s the swimming pool?”. It was a huge split-level affair. On the main floor, where we entered, was a foyer, kitchen and living room with a huge fireplace. Upstairs I was shown 6 bedrooms. Each and every one had three or more beds in them. On tables besides the doorways were bowls of condoms. Two massage tables were also present upstairs. WOW! Near one of the two bathrooms was a spiral staircase going down to the lower level. In the lower level was a dance floor, bar, sitting area, locker room, and gigantic hot tub. I. ..First, some background - my wife's sister, Angie, is married to an Italian whom we will call Larry. There has always been a bit of innuendo and banter between the four of us but nothing ever happened. We did once all swim together, all in underwear which gave me a hard-on because my wife was walking around the pool and I knew Larry was checking her out. He would have gotten a good look at her panties, front and back, from where he was in the pool. One day we were visiting Angie (Larry was at.