Thursday finally came and after work Sally and I drove the few hours to the mountains. We arrived around 4pm. Sandy and frank were already gone to dinner with his work. We checked out the cabin and pool and decided to order in and take it easy tonight.
We ordered some food to be delivered and I took a swim while Sally read by the pool. She typically read some smutty books anytime we traveled without the kids. I didn’t mind at all as the books typically worked her up to where the sex was extra hot and aggressive.
She laid by the pool while I did some laps. Once she rolled over on her stomach to get some sun on her back I stopped to the view. Sally’s ass was great and one of her best features. It wasn’t as good as Sandy’s as hers was one of those once in a life time bootys but still hot. She noticed me staring and lifted her feet and bent her legs so they were folded up to her butt and spread her legs. I could see the wet spot that had formed in her bikini and was clinging the material to her pussy. This book must have been pretty good for her to tease me that way. I enjoyed the view for a moment and resumed swimming. I knew if I let her keep reading and working herself up it would be much better for me in the end.
Our food was delivered a few minutes later and we enjoyed eating it outside enjoying the view of the mountains.
After dinner we turned on the TV and she cuddle up with me reading her book. I slipped my had between her legs and just rested it on her crotch. Just enough pressure to be there and to feel her getting wet.
As my show progressed I’d occasionally looked down at what she was reading to see what was getting her so hot. By this time she was so wet it was getting gooy on the out side of her bikini and was shifting her weight around to get more pressure from my hand. I was reading along with her for a second and the guy apparently had the girl tied up and was spanking the girl. Some typical 50 shades stuff. Sally never actually wanted to be tied up or anything too rough but I guess she really like to fantasize about it. It got late and she started to dose off while reading.
About 11pm sandy and frank barged in. By this time Sally was dead asleep and jumped up with a startle. Frank was obviously very drunk and sandy was more obviously very annoyed. Sandy was in a super tight cocktail dress that made me involuntarily give her the up and downs.
She barked at him to go to bed and he stumbled across the room to their bedroom. Sally said, wow… with that I am going to bed.
I got up to head to bed to and sandy beckoned me over to the kitchen. I walked over to her and asked if she was okay.
She said, I am fine, he just got too drunk and was making a fool of himself and me… and I am over it. Time to get what I want. Hes drunk enough I am going to make him eat my pussy tonight. But I want it to be dirty, can you help me with that?
Once again her directness through me off. And I just nodded.
She said, good. Meet me in the bathroom in 30 minutes. With that she went to their bedroom.
I followed suite and climbed into bed with Sally. She was already asleep. So I just rubbed on her back while watching the minutes count down. 28… 29…. 30…
I slowly got out of bed and walked into the bathroom.
Sandy was already there. Cocktail dress was gone and was completely nude. God her body was just insane. I was instantly hard and as I walked over to her she put her hand on the wall stuck her ass out and said, no time for romance tonight. Fill me up deep. Frank is waiting.
I did as she said and walked behind her and slide into her. She was already soaked. She was going to enjoy doing this to Frank and it showed. When I got into her I was in the tightest pussy I have ever been in. I knew her worked her core from her flat stomach but apparently that came with a ton of keagles. I was glad she meant business because she was squeezing the life out of my cock and I wasn’t going to last long. I started to cum and to my surprise she flexed and clamped down even tighter on me. She moaned and said, I need every drop. I came hard rope after rope inside her. It was heaven. She covered her slit as I pulled out and said, can’t waste any. She turned to leave the bathroom and looked back and said, wait… you said you like to watch… do you want to watch?….
Hell yes I do… I responded.
She said, be right back. She waddle away and came back a few seconds later. And said follow me… She shut their door behind us and the was frank tied to the bed with his work ties and one which I assumed was just added covering his eyes blind folding him.
He was completely naked and was hard and his dick was huge. He was probably 9 inches and very thick. A lot bigger then me by a long shot. My 7 inches had nothing on this monster. It made a little more sense why she delt with his bs.
She climbed on top and straddled him. She took his monster cock and rubbed it on the outside of her hole. ( [Part Two](https://rubberout.com/my-hot-sister-in-law-and-family-vacation/) )
Source: reddit.com/r/eroticliterature/comments/sh1kz6/my_hot_sister_in_law_and_family_vacation_mf