Quarantine Pool Day Leads to Unexpected Threesome with Wife and Sister-In-Law [MFF] (Part 1)

My wife Sarah (29) and I (29) have been together for almost a decade. We discussed threesomes when we were younger, but after a few years and eventual marriage I kinda assumed it wasn’t going to happen. That’s why, when what am I about to share happened, I was incredibly (but delightfully) surprised. (Names altered for privacy, and I’ll warn you this came out long enough to be broken up into multiple parts. I wanted to make sure to leave nothing out, for my own future recollection as well as everyone else’s enjoyment!)

The third subject of this story is our Sister-In-Law, Bella (22), married to my wife’s younger brother(who is kind of an asshole). They got married very young after having a baby, and now that the little one is a bit older and Bella can now legally drink, she has been catching up on all of the growing up one usually does in those formative years.

Right before shit really hit the fan with Covid; Bella, my wife’s brother, and their daughter came to stay with my wife’s parents. They live about a 10 minute walk away from us in the next neighborhood over. Their financial issues, plus having to quarantine with the parents, plus normal young parenting stress, added even more strife on an already rocky young marriage. They’re pretty much done, but we were still in the middle of quarantine. With nowhere else to go, Bella found her way over to our house more and more. First it was just to hang out with Sarah, but eventually she got more comfortable around me too. On days when I would have a much-needed cocktail after work (hooray essential employee status), the girls would often ask me to make something for them too. And that became the routine for 2-3 nights a week for like a month straight.

The weather finally turned nice enough to justify prepping our pool for use, so I got it ready for the weekend. Sarah and I decided we should go hard for the opening weekend of the pool. We got some new floats, broke out the new Bluetooth speaker, and I got a sampler case of White Claws for the wife and plenty of ingredients for some proper margaritas for me. In the morning, Sarah brought up inviting Bella over. I was hoping for some time alone in the pool with the wife, but looking back I am sure glad I said “sure, why not?”

After a light breakfast and some house tasks, I got changed into my board shorts. My 5’11” frame could stand to lose a few pounds, my wavy brown hair definitely needed a cut, and you could tell I needed some time in the sun, but I liked what I saw in the mirror. As I was filling up the pool floats, my wife Sarah came outside and took what little breath I had left away.

She is about 5’7” and what I would describe as a slightly curvy build. Her naturally auburn hair came down right to where she was spilling out of her dark green bikini top. She floats the line between C and D cups, but my favorite part of the look was her matching thong bottoms that I hadn’t seen since about September. She gave me a wink as she turned around and bent over halfway to fill the cooler.

“Oh, today is going to be a good day,” I said.

“Hands to yourself while company is over,” she replied. I chuckled, making a mental note that I would definitely not be committing to that.

Our guest arrived about an hour and a half after we got started. Bella was a little shorter than my wife, with highlighted/dark blonde hair and a similar sun-deprived skin tone as us. What I hadn’t really ever noticed before was how fit Bella was. She took off her coverup dress to reveal she was definitely not carrying any leftover baby weight, her pink & teal bikini showing off her considerable assets. Slightly smaller chest than Sarah’s, but the proportions were just sublime. And when I finally got to see the other side, I was delighted to see her bottoms were the “cheeky” style that showed some skin.

“You guys started without me, how much do I need to catch up?” Bella asked. Sarah told her we had only had a few, and offered her a Mango Whiteclaw.

“Well, what is OP drinking?” she asked, pointing to my Yeti cup.

I told her about the margaritas and she insisted on trying one. I obliged since I needed a refill, and Sarah said she might as well have one too since I was making multiple. I made us all a batch plus some Kamikaze shots so the girl’s could catch up (they got doubles, I took a solo).

With drinks sorted out, we went back to our relaxation mode. After about an hour, I found myself at the middle section of the pool with my wife, right where we could both still stand above water. She held on to the ledge at an angle, gently kicking her feet behind her to stay in place, so I brushed my hand across her ass. Not getting told off (like I expected to be), I grabbed a full handful and gave her a solid squeeze.

She pulled her legs up and stood up straight, the water level still coming up to her shoulders. I checked to make sure Bella was still tanning faced the other way before positioning myself behind Sarah. I slid my hands up and caressed her breasts, garnering no reaction from her. She was ok with me teasing her, but obviously intent on trying to maintain composure to not give anything away.

I took this as a challenge, momentarily adjusting my growing erection in my board shorts so that I could position it right between Sarah’s ass cheeks before returning my attention to her chest. While trying my best not to splash, I gradually started to be a bit more forward. I slid my hand under her top to get at her nipples, gently rolling them between my fingers while starting to press myself against her ass. I finally drew a gasp from her lips, and right then Bella started to flip over so I aborted mission and floated back, hard as rock at this point.

“Hey, Sarah,” our guest said from her chair, “I think my back is starting to sunburn where I couldn’t reach earlier. Could you help me for a second?”

My wife replied “I don’t feel like getting out yet, maybe OP can help you. I think he needs a refill,” as she spoke she turned and looked at me and gave me this playful smile I see from her every now and then.

Now you might be thinking *Hey, cool wife. She just gave you the green light to rub on a another girl’s scantily clad body.* That’s not how I interpreted it; not with the look she gave me. She knew I was rock hard, and she wanted to get me back for teasing her moments ago. This was a game.

Bella responded, shaking her cup, “Yeah, that’d be nice. I need another one too.” My wife continued smiling maniacally and nodded towards the stairs. Fine, I’ll play along.

Sarah watched as I got out of the water, wet board shorts settling in a manner around my member that left little to the imagination. Bella was not in line of sight though, so I was able to make it look a bit more subtle as I walked over and took her cup to make us both another drink. I came back to see her sitting up and just finishing putting sunblock on the rest of herself, getting an abbreviated view of her rubbing it into her chest. Welp, my fading erection pulled a U-turn and started making its way back. We traded her drink for the lotion bottle and she laid facedown, head resting on her arms.

I looked over at Sarah as I pulled up another chair and sat next to Bella. I didn’t quite recognize the look in my wife’s eyes, but it was definitely turning me on. As I put the lotion in my hands, Bella untied the lower back strap of her top saying “So you don’t have to worry about going around it.” Now my wife had done this countless times, but it was a little different having a 22 year old girl who I didn’t *really* know very well, do it. Her top settled on the lounge chair, showing the faintest of side-boob. And now she was waiting for me to put my hands on her, where one turn would expose her chest. Yup, full hard-on again.

I focused on what I was asked to do, and started rubbing lotion onto Bella’s back where I could see she had none. While I was intently focused on what I was doing, I did kind of auto-pilot and apply the lotion how I usually did for Sarah. Instead of just lightly rubbing lotion into the skin for coverage, I pressed my hands a little firmly against her skin, managing to apply the sun lotion while also giving a light massage.

“Oh, god,” Bella half said/half exhaled.

Taking the cue, I added more lotion and moved on to her lower back (making sure I stayed a healthy distance above the edge of her bottoms).

“Thank you for letting your husband do this, actually. I can see why you married him.”

I looked over at Sarah who still had that same look in her eyes and, if I was not mistaken, a free hand on her own chest. “Oh you’re very welcome. He enjoys giving massages, I kinda wanted to see if he actually is that good or if he just knows what I like at this point,” she said.

As I gave one last firm push from her lower back up the the top, Bella said “He iiiis that good.”

I stood up, turning away from her so as to not show just how worked up I was getting, and got back into the pool. “Thanks for that,” I whispered in my wife’s ear when I got close enough. I did rather enjoy it, and managed to not really show off.. the situation.

“Oh you’re welcome,” she replied, brushing her hand against the front my shorts and giving my a light squeeze before getting out and drying off before making herself another drink.

When she got back to her lounge chair, she had that different look in her eyes still. She looked over at Bella, still lost in her other little world, and then back to me. And in the first (but not the last) move that would surprise me that day, my wife took off her top and dropped it next to her chair. Now, we have plenty of privacy in our yard from fence and trees. The only way to see into our pool area is to walk right up to the edge of the yard, where we would see you coming first. My wife has sunbathed topless before, but I did not expect in a million years she would pull a power move like this with our sister-in-law here.

Not knowing how else to react, I just raised my cup in a “cheers” motion while Sarah struck a cute pose for me. She laid down to catch some rays while I just took in the view. It was a good few minutes before Bella rolled over and saw the change in scenery.

“Oh my god, your tits are out!” she said in hushed excitement, earning a bout of hearty laughter from all 3 of us.

“That is a reasonable reaction to have. Yes she does,” I said.

Bella’s jaw still dropped, Sarah said “OP just didn’t say anything because he’s seen them before.”

“Oh no, I still have that same reaction every time, my dear. I just didn’t want to draw attention,” I said.

“Won’t the neighbors…” Bella started before looking around to see there really wasn’t any risk.

“Nope, nobody can see in,” Sarah reassured her. And (in the second move that surprised me) she continued, “So you’re welcome to join me, if you want to.”

I tried to keep my cool and not react.

“Well, I was getting up to go to the bathroom,” Bella said while retying her top, “But maybe when I get back,” she added with a smile.

As she went inside, I got out of the pool to sunbathe myself in my lounge chair across the pool from Sarah. As I passed her I asked, “What’s gotten into you, today?”

Without even opening her eyes she said, “Oh, it’s harmless. Either she opens up with us some more and you get a good view, or she doesn’t want to.”

“I guess,” is all I could muster before laying on my own chair. When Bella came out, I was facing the opposite direction, hoping that me not looking directly at her at decision time might positively influence the outcome.

She lowered her voice, but not quite enough to keep me from hearing, asking Sarah “You’re really ok with your husband seeing my tits?”

“Only if you are,” my wife responded. “He’s seen plenty of other tits besides mine, it doesn’t bother me any. Besides, don’t you think he deserves a little reward for getting the pool ready and making us all delicious drinks?”

There was no response. But a few moments later I heard her get in the lounge chair next to Sarah. I heard what could have been some fabric moving, but it was too faint to be sure. As the sun dried all the water off of my back, I wondered how many breasts would be waiting to greet me when I rolled over and sat up. I got the answer before I could even sneak a peak. After some rustling, I heard the lotion cap open up and my wife’s voice.

“You’re going to want to put some sun block on those. Don’t want a burn there.”

*Holy shit, this I had to see.* I rolled over and sat up. My sister-in-law’s pale white breasts were exposed next to my wife’s. Her nipples were a little puffy, a soft pink, and truly a wonderful sight. As with the rest of her, the proportions were just right.

My wife, huge grin on her face, said playfully “Oh I thought you might need to roll over after hearing that.”

“Well, entertainment is in short supply right now. I figured I shouldn’t miss the show.”

The girls laughed, but Bella gave Sarah a nervous look. “You don’t have to make a show of it if you don’t want to,” Sarah said. She took some of the lotion in her hand and took the lead. She started rubbing all over the area that her top had previously covered. She took her time. She got a little extra on two fingers and started rubbing her nipple, and then repeated the process on the other side. Sufficiently covered, she squirted out a little extra into her open hand and gave Bella the bottle. Sarah took the extra bit of lotion, rubbed both of her hands with it, and gave a short finale by rubbing both breasts at the same time.

Bella took the bottle and got some lotion in one hand. She gave a wry smile and started copying Sarah’s motion. Both of us watched as Bella explored her chest with her lotioned hands. It was a bit clumsy at first, I imagine she was nervous. But it didn’t take long for her to get lost in the moment a bit.

When she regained her composure and capped the lotion, I laid back and avoided eye contact to not make her nervous again. I didn’t know if this was going anywhere else (I honestly thought that was going to be the best of it), but I wanted to make sure I was doing everything I could to make sure I didn’t mess it up. I was rock hard, and I knew the girls could definitely tell from their vantage point across the pool.

After some bathroom breaks and one more refill, the wife and I were back in the pool again. We were all multiple margaritas and a kamikaze shot in, and it was mid-late afternoon. The tequila was almost gone, but I had 2 topless women in my pool area to show for it. As I had said earlier, it was a good day. But it was about to get better.

I got my hands on my wife in the water again, and this time I was not subtle. I grabbed her ass, spun her around and kissed her hard. She was reading me loud and clear, as she kissed back with equal passion and wrapped her legs around me. We made out in the shallow end, losing track of ourselves a bit before hearing Bella’s voice from the pool deck.

“Oh my god, watching you two is turning me on,” she said. I wasn’t sure if I could get any harder, but I did. And then the moment that turned this good day into a great day came when my wife gave me that same look again from earlier. It was so much more intense up close. She had an idea in her head.

She kissed me hard on the lips quickly before pulling back and responding, “Well you’re welcome to stay there watching, or you could get in the pool with us.”

Before it really even registered in my head what Sarah had just said, she kissed me again. I didn’t actually see how Bella reacted to that invitation. I was wrapped up (literally) in my wife. But it was not long at all before we heard the splashing of Bella descending the stairs into the pool with us. *Holy shit* is all I remember thinking.

Bella glided over to us, and Sarah unlocked herself from me. That intense look in her eyes was coupled with sexiest, most wicked smile I’ve ever seen on her. Just thinking back to that look alone has gotten me rock hard any time I’ve recalled it these last few weeks.

“Good girl,” Sarah said to Bella, not hesitating at all. She caressed Bella’s face before kissing her fully. It was tender, like a first kiss should be. The second one was less so. Sarah kissed Bella hard, pulling her whole body into her. From above the water line, I could see their breasts pressing and rubbing together. This was a whole other side of my wife I hadn’t seen in quite a while. She makes out with the occasional girl when she’s drunk, but she has told me before that she really just enjoys how much it turns me on to watch. You’d never know that from just watching how she was making out with this pretty girl in our pool.

I was already close to the action, but I was ready to get involved. I gave Sarah a rub on her ass, and I felt her shift gears and start pulling back from Bella. When she got clear of her, she put her hand on Bella’s back and guided her my way.

“Kiss my husband. Now,” she commanded.

Bella did as she was told and made directly for me. This was about to be the first other girl I’ve kissed in almost a decade. My nerves got the better of me and Bella and I’s first kiss was not as smooth as the one she just had. To be fair, she was kinda being pushed in and I wasn’t entirely ready for the close in distance. But we found our rhythm quickly. She had a different kissing style than my wife. Movements were in short bursts, with quick tongue flicks, brief pauses before immediately resuming. It was hot, and the passion ramped up immediately.

Sarah came around behind me and kissed on the back of my neck, down to my shoulder. I wanted to make sure she was getting my full attention as well, so I turned and started kissing her while still entwined with Bella. My wife was extremely turned on, as she was kissing the way she does when she is ready to fuck. With my right hand in Sarah’s hair, left in Bella’s, I pulled back and guided them towards each other.

As their lips locked, I felt my wife push my body and Bella’s together. Her bikini bottoms met the rock hard protrusion in my board shorts and I heard a faint moan from her. My wife pushed us together harder, and I gave her ass a hard squeeze with my right hand. After a few moments of this, it was Sarah who pulled back and made the suggestion.

“Bedroom?” she asked, looking Bella directly in the eyes. She paused, knowing this was probably the last chance to stop this train. It felt like an eternity (but it was probably only about 7 seconds) before she ultimately said yes.

[[Part 2 Here](https://www.reddit.com/r/gonewildstories/comments/h7aouw/quarantine_pool_day_leads_to_unexpected_threesome/?utm_source=share&utm_medium=ios_app&utm_name=iossmf) ]

Source: reddit.com/r/gonewildstories/comments/h7ah0s/quarantine_pool_day_leads_to_unexpected_threesome