Ok, this happened 8 years ago now but I still like to remember it and decided to share it.

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My wife's sister had just finished up with community college and transferred to the university where my wife and I lived. Previously, she lived 4 hours away, where the rest of their family lived. My wife and I had moved to my hometown after we graduated from college. That being said, we were the only family that (we will call her Ali) had over here.

Still, I didn't expect to see her much, as I was sure she would be more interested in college parties and hanging out with friends than us. At first it was like that, but as time went on she started to come around more and more. She was in a long distance relationship and for some reason she decided to keep that so she didn't go out and party as often because of it she said.

Anyway, I'll start getting to the fun stuff. Ali started to spend the night a lot, and when she did, she usually wore some pretty skimpy pajamas. She had a pair of blue pajama shorts that were super loose and short. If she was sitting down, I could usually get a good look up them, and every time she bent over she showed most of her ass. Which is huge by the way. She was a volleyball player growing up and that was certainly her best ASSEt. She also usually wore a sports bra to bed, and occasionally a long t shirt with no bra underneath, and her perky college tits always poked through it. Needless to say I loved when she stayed over.

Ok, so one night we were going out with some friends to go bowling. My wife asked me if I minded if Ali came along with us and I told her it was fine. We had a great time, and despite her being 20 at the time, we were able to get her drinks all night. My wife got absolutely hammered. She rarely drinks, so anytime we do shots she usually blacks out after 3. Ali was pretty drunk too. I was DD so I kept it cool. The night ended and we headed home. My wife, (lets call her Kate I guess) passed out as soon as we started driving. I figured the night was over when suddenly Ali asked me if I wanted to have a few more drinks when we got back.

I was surprised she offered that, as she never really wanted to hang out with just me. I agreed and she said good, because she felt bad that I didn't get to drink much. I told her I didn't mind but I was also down for a drink when we got back.

We got home and I had to literally carry Kate into bed. She was out cold. Ali went into her room to change into some pajamas she said. Which I was very happy about. I decided to change too and put on some gray pajama shorts that showed off my package well. I headed downstairs and saw Ali in the kitchen already. She had a bottle of tequila in her hand.

"Looks like this is all you have, so I guess Tequila it is" She said.

"That's fine with me" I said, chuckling.

She began to make me a drink and holy shit. She filled 3/4s of it with Tequila, including the ice, and a bit of Sprite in it.

"Jesus, are you trying to kill me?" I joked.

She laughed and said that I needed to catch up. She poured herself a much more manageable drink. We headed over to the couch and sat down.

"So... how's school going?" I began some small talk.

We talked about school for a little, then her boyfriend. She told me she was really struggling with the long distance thing. I told her I understood and that it wasn't easy. Especially while in college. Here is when things took a turn.

After that conversation, she asked me if she could ask me something personal. I told her of course. She then asked me if it was normal for girls to masturbate. I chuckled and told her of course it was. Then she explained to me that none of her friends ever did it, and neither did her sister even.

She was right. Kate never masturbated. Which I found odd. But I guess not all girls do. Unlike men, which I'm pretty sure 99.99% of us do. Anyway, I told her there was nothing wrong with it, and that I was sure being in a long distance relationship didn't help. She told me that she did it every day, sometime more than once per day. I was impressed and admittedly very turned on at the idea of it.

I got curious and asked her if she watched porn or anything. She told me that she did, and that she felt weird about that too because none of her friends watched porn either. I told her it was fine. She asked me if I watched it and I told her that of course I did.

"Phew, at least I'm not the only one" she said.

We got to talking about porn and eventually I asked her what type of porn she generally watched. She wasn't great at explaining it, and just said,

"I don't know, normal stuff. Hot guys and girls haha"

I confessed to her that I was really into the stepmom stuff and she laughed at me, telling me those were so corny.

By this time I had nearly finished my drink and was already feeling the effects of it. I could tell she was too.

I noticed my laptop on the counter nearby and I got up and grabbed it.

"Show me your favorite video" I told her. Opening up my laptop.

She laughed but agreed to instantly. I grabbed a pair of headphones I had nearby and plugged them in. We scooted closer to each other, sharing one bud each. Our legs touching each other. I couldn't help but stare at her nicely tanned legs.

With the laptop on our laps, she searched her favorite video and pulled it up. It was an amateur video of a pretty hot couple fucking on a bed with a mirror in the ceiling. It wasn't that great, honestly but it was still fun seeing what she liked. She then asked me to show her my favorite one. I did my best to think of one that wasn't too weird haha and eventually pulled one up. We both watched it without saying a word. I was so nervous at this point that I somehow managed to not get completely hard right away. But I was sporting a decent half chub. The laptop was kind of covering it though. We kept taking turns picking videos when the laptop started to get hot on our laps. We split apart and set it between us, leaning towards each other so we could reach the headphones.

I started getting super turned on. Between looking at her legs and the porn, I eventually got rock hard. She didn't say anything about it right away but I could see she would glance at it from time to time. After a few more videos she reached over for a blanket that was nearby and pulled it over herself.

"Are you cold?" I asked.

She paused for a minute.

"Mm.. no not cold.." She said.

"Oh, what is it then.." I asked.

She paused again, then said,

"Honestly, I'm just really horny now and was going to touch myself a little if you don't mind.."

I felt my cock literally twitch as she said that.

"Ha.. No I don't mind.. I have a little situation myself.." I said.

"Yeah... I noticed.." She said, biting her lip.

"Well, give me some of that blanket" I said, laughing nervously. "It’s only right if I do the same, right?"

"Mm, yes I think so.." she replied.

I pulled the blanket over me and began to rub my cock over my shorts at first. It didn't take long for her to start letting out some soft moans, and honestly, I was in heaven. I adjusted and pulled my cock out, and did my best not to touch the blanket, as I was absolutely covered in pre-cum. It wasn't easy, though, and eventually I gave up.

"Umm.. It’s a little harder for me to do this with the blanket over me, would you be offended if I removed the blanket...?"

She looked over at me with the sexiest eyes,

"I don't mind if you don't" she said.

"Sounds good" I replied.

I pulled the blanket off of me, my cock now proudly in full display. She looked over immediately at me, and stared at it for a few seconds. I swore I heard a small moan even. I looked over at her and she had a grin on her face.

We picked a new video, and I slowly jerked off. Not wanting to cum. I wanted to see her so badly and almost asked before she beat me to it.

"Well, I guess since you're not covered up now, It’s only fair I get to do the same.." She said.

I could feel my heart beating out of my chest. I chuckled.

"Well, I certainly don't mind.."

"Good.." she said, deviously.

She threw the blanket to the side and lifted her butt off the couch, sliding her shorts and panties off. I stared intently as she did so and oh my god. I could see the strings off her grool pulling from her black thong as she peeled it off. She threw the shorts and panties to the floor and leaned back again.

I covered my mouth, and raised my eyebrows. Blushing now, looking away.

"Everything ok?" She asked.

"Yeah.. It’s just.. well fuck haha" I said.

"Tell me about it.." she replied, motioning over to my cock.

I simply laughed.

"I can see why Kate is always smiling" she joked.

"haha oh stop.." I said. I have a 7" cock, 6" in circumference so I knew I was big, but enjoyed playing it down.

"Well.. another video?" she suggested.

I agreed and she picked another one. I couldn't care less about the video at this point, I was glancing over at her more than I was watching the video. And she was doing the same. She was circling her clit and running her hand up and down her slit. But not penetrating. She was cleanly shaven, and honestly had a very similar pussy to her sisters. I could stare at it all night. The video hadn't even ended yet when she suddenly closed the laptop. I got scared for a second and thought she may have freaked out. But that wasn't the case. Luckily.

"Lets be honest.. we rather watch each other than the video at this point... right?"

I loved her boldness. It was so sexy.

"Agreed.. Glad you said it.." I replied.

I moved the laptop out of the way and turned towards her a bit, she did the same. Now, giving me a perfect head on view of her pussy. We sort of awkwardly started at each other. Sometimes making eye contact, other times staring directly at the goods. I did slow long strokes, and she continued to rub her slit and clit. She then started to rub her tits. She was wearing a sports bra only. I stared at her tits as she did so, then finally made my first bold request.

"You can take that off too if you want.."

She looked over at me and immediately lifted it off.

"Thought you'd never ask.." she said.

Rubbing them again, pinching at her nipple. Her tits were perky, about a C cup I'd say. Kate has DD so much smaller than them, but still looked amazing.

"Jesus christ.." I said.

She grinned. Knowing I was loving this. We kept going for a little while. She closed her eyes for a bit and started to moan a little louder. I thought she was getting close but then she stopped and opened her eyes again.

"Mmm. I thought you were going to cum.." I said.

"I was" she replied, "But I decided to wait.."

"For what?" I asked.

"I can usually only cum once or twice and I don't want this to end yet.." she said.

It made me so happy to hear her say that. I never wanted it to end either.

"Mm good, me either.." I replied.

I suddenly felt another burst of boldness and went for it.

"Mm, I want you to stick your fingers inside yourself.."

She grinned and looked me dead in the eyes. Running her hand down her slit.

"Mm yeah..? You want to see my fuck myslef.." she said.

"Oh fuck.. don't say that.. You're going to make me cum.." I said, incredibly turned on.

She bit her lip and stuck her middle finger inside herself. Opening her mouth as she did it, moaning as she slowly slid it in and out of herself. I stopped jerking off at this poing as I could cum just from watching her. Her breathing instantly increased with her mouth wide open. She then stopped again.

"I can't.. I cum mostly from penetration and I'm going to cum if I keep going.." she said.

At this point I knew that I couldn't last much longer so I encouraged her to cum.

"Mm I cant last much longer either, I want to watch you cum so badly Ali... please cum.."

"Mm I want to watch you cum too.. your cock looks like It’s ready to explode.."

Her mentioning my cock was so sexy. I wanted to just pounce her but I couldn't do that.

"Mm ok, you cum first.. then I will.." I said. She agreed and slid a finger back inside herself. I got on my knees and kind of kneeled over her as she laid back a bit. She took turns starting at my cock and closing her eyes. With one hand she was fingering herself and with the other she was squeezing her boob. I don't know what came over me in the moment, without thinking I reached over and grabbed her other boob. Squeezing it.

"Oh fuck yess..." she melted. Moaning even louder.

I kept rubbing it, pinching at her nipple.

"Fuck Mike... you're going to make me cum.."

She now had 2 fingers inside herself, fucking her tight pussy back and forth. She was so wet, the sound of her pussy alone could make me explode. She kept moaning louder and louder, suddenly letting go off her tits and gripping my cock firmly. She opened her eyes, her mouth completely opened, staring right at my cock and began to furiously stroke it back and forth.

"Oh FUCK Ali!!" I moaned.

In complete disbelief that was she was holding my cock. I knew I had literal seconds before exploding. I couldn't miss my chance. I reached over and pulled her other hand away from her pussy and rammed 2 fingers inside her. Tugging at her pussy, feeling all of her insides for the first time ever.

"OH MY GOD... FUCK IM CUMMING DON'T STOP" she begged

Her eyes rolling behind her head, mouth wide open and doing her best to stroke my cock as her orgasm crashed over her. Just as I was about to cum she let go of my cock and grabbed on to the couch, her legs shaking uncontrollably.

"IM STILL CUMMING FUCK DON'T STOP MIKE" She begged again.

I continued to finger fuck her rapidly, tugging at her G spot inside her. I could feel her pussy convulsing on my fingers, tighting over me as she came. Her orgasm started to die down and she grabbed onto my cock again and began to jerk me again. Her eyes opened now, starting right at me.

"I want you to cum now.. and I want it all over me.." She said.

She rubbed her tits again with one hand as she stroked me with the other. Not breaking eye contact this time, her looks was so sexy. It didn't take long at all. My breathing increased. I grabbed on to her thigh and squuezed it as my orgasm started to build.

"YES MIKE, CUM FOR ME" She moaned.

I closed my eyes for a second as I felt the biggest orgasm of my life start to hit me. I could hardly even feel myslef cumming at first, I was in a state of pure euphoria. I opened my eyes and watched a few long strings of cum still shooting out my cock. Her chest, stomach, neck completely drenched in cum, even a few loads on her face and hair. She kep jerking until she got every last drop out of me. I felt like I was going to pass out with how hard I came.

"Holy fuck Ali..." I managed to let out. I just knelt there, panting. Her hand still slowly jerking my cock, starting me right in the eyes.

She sudddenly snapped out of it. Letting go of my cock and assesing the damage I had made on her.

"Fuck, you came so much." She said,

as she pushed some of the cum that was sliding down her back onto her chest.

"Yeah I did..." I repled.. with a bit of awkwardness in my tone.

"So.. Im going to go take a shower now, and head to bed.." she said awkwardly back.

"That's probably a good idea.." I replied.

She grabbed her shirt and wiped some of the cum off her face and cleaned up what was on her. I put my briefs back on and awkwardly cleaned up the area. Unsure if she would say anything more about the incident. She did..

"So... I may have lost a bit of control there, I was super horny and drunk.. and I don't know what came over me.. I'm sorry.. I hope you don't feel bad about what just happened."

I told her it was fine and that we both got a little carried away there but that it was ok.

"Ok.. well.. I guess It’s our little secret now.." She said in a hopeful tone.

"Of course" I replied, "Between you and me".

She said ok, and headed upstairs. And that was that...

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Hope you enjoyed the story. More things did happen down the line, but it took about 6 years for something to happen again. Let me know in the comments if you enjoyed the story and I may share the second story. Thanks for reading!