I woke up this Saturday morning not knowing how this was going to be one of the best days of my life. It was a normal August morning, and I was not looking forward to another 100 plus temperature day. I had plans to work on the landscape around the house and I was not looking forward to the prospect at all, but I needed to get it done. I made some breakfast for my wife and myself and then changed into my work around the house clothes. I begrudgingly headed out to the garage and got the hedge trimmers and my gloves. I spent the next hour trimming all the bushes and raking up all the leaves and branches. I was about to finish when my wife came out and asked if I minded if her sister Gina came over and took a swim in the pool and had lunch. I did not really feel up to having visitors but an excuse to fire up the grill and take a swim won me over. I said sure and that I would throw some burgers on the grill. She responded to her sister and told me she would be over in like an hour. I cleaned up my supplies and went back into the house to set out the burgers.
I decided I would not need to take a shower since I was going to be jumping in the pool before we ate. I got the grill and all my tools set up and waited out on the porch for her sister to come over. I was about to give up and head in assuming that she was going to flake on us when I heard the doorbell in the distance. My wife went to the door and to my surprise her sister showed up. She had been known to make plans and then just not even show up or make any contact with us. The two of them exchanged a hug and I decided I should go in and say hi. I had not seen my sister-in-law in quite a long time, and she had changed since last visit. Gina was about the same height as my wife Donna, both being five foot 5ish. Both ladies had blondish brown hair with a slight amount of grey. My wife is fifty and I never really knew how much younger her sister was than her, but she was in her mid to late forties. My wife had the banging ass, and her sister had the bigger breasts. I am guessing 38C or slightly larger.
The two sisters chatted for a few seconds at most and Gina suggested it was time to jump in the pool and wondered where she should change, without hesitation I said you should use our bathroom as it is nicest, and it was downstairs. Thean into the powder room and changed into my suit when I realized the two of them were both heading into our bedroom. I thought it to be odd as our Master Bath did not have a door and was more like an extension of the bedroom. At this moment while I changed, I imagined them changing together literally. My mind was playing tricks on me as I was thinking about them getting naked in the same room without any shame or hesitation. I wondered if they were looking at each other or if they had seen each other naked so many times as children it was just vanilla in nature. I quickly came out of my own fantasy as I could feel my member starting to twitch. I walked out the back door to the pool carrying my towel. I hung it on the pool fence and started to walk down the steps into the pool. The water was cool and refreshing and I was glad to get my waist beneath the water to hide what had started to happen.
It felt like minutes had gone by and I was thinking what is taking them so long. A few moments later I saw them sliding open the door coming out to the porch. My wife was wearing a little two-piece suit I had seen before, but it seemed sexier today. Then I decided that I needed to check out her sister. Gina was wearing a much smaller bikini suit that was honestly too small for her. Her breasts were jammed in, and they looked like they wanted to pop out of the top of the small black cups each holding less than half of their respective breasts. Then I looked down further and saw the cute little pudge of a stomach poking out a little of it invading the top of her bikini bottom. My eyes traveled further down and saw her precious little mound barely covered by the G-string type bottom. As I found myself staring, I realized that she had pubic hair sneaking out both sides of the little triangle of fabric, and I thought what you are doing right now you perv. They both pulled up a chair on the porch and lit up cigarettes, which I thought was odd as my wife said Gina had stopped smoking years back. They were talking quietly so I could not hear everything, but the conversation was centered on Gina's recent breakup with her boyfriend.
I decided I should start swimming and not be so obvious of my curiosity as to the nature of their conversation. I did a couple of laps and was surprised on the third lap when I came out of the water and nearly ran right into my sister in laws tits. I was startled and stammered "I am so sorry I almost took you out. She responded, "You did kind of smush my tits" and giggled. I did not know what to do so I turned around and swam back to the deep end of the pool. My wife was down there, which is unusual as she stays in the shallow side most of the time. She came up to me and got right in front of me and gave me a hug and a small kiss, and then she whispered something in my ear. "I think my sister is horny, says she hasn't been laid in months." I was stunned she told me that and ashamed it made me horny. I continued to swim off to one side by myself to keep me from staring at Gina's tits that were gliding on along the surface of the water no matter where she went.