Threesome with my wife and her sister for years!

My wife is one hell of a saleswoman and her sister, 5 years younger, is a biomed engineer. About 4 years ago they developed a tool that is used in spinal surgery and have been selling it all over the world together!

About a year into their success, my wife accidentally mentioned that her sister gets really wet when aroused! When prodding about how she knows this, I began to suspect that they were having a relationship while on the road.

Well, I confirmed my suspicion, they’re in Vegas at a convention. They had a big pitch go really well so I decided to surprise my wife by showing up at the hotel. I looked at their favorite restaurant, nothing, the hotel bar, nothing, finally I go up to their room and hear moaning through the door! I knock, seconds later my sister in law answers the door, hair messy, clothes messy… I say “Oh shit! Sorry!” thinking she has a guy in there with her until I hear my wife say my name in shock. “Um, come in babe… we have something for you.” Okaaaay, I go inside and my wife is under the covers, naked!

I say, “Is this what I think it is?” My wife begins to cry apologizing, “I was shocked when you almost figured it out!”. In excitement I say “I am SO ok with this!” knowing that if I was cool with it then I just might be a part of it! I mean who wouldn’t want their hot ass wife AND her hot ass sister?

They both agree that they were sort of hoping I would understand so I could be a part of it!

Well, it’s been 3 years now and every few trips they take they invite me! They do their thing during the day and we have threesomes all night! I have the best wife, clever, hot, kinky as fuck and rich!

If you’re wondering how family gatherings go, we are able to keep it completely ordinary and the three of us have never said anything about it to anyone else!

If you’re wondering, they both look like a petite version of Tiffany Thissen but her sister has red hair!

NSFW: yes


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