So I'm happily married and love the in-laws for the most part. My wife has a sister, and let's just say we don't get along. She came down and stayed with us for the weekend, fun for me. So Friday night, we all go out and have dinner and some drinks.
We get home, and everyone, including myself, is pretty tipsy. I head to my room to change, I walk out into the hallway and see the bedroom door where my SIL is sleeping is cracked open, and I can hear her taking to my wife.
I peak in to see her sitting on the bed, bright green panties on, and my wife taking her bra off. Honestly, with our relationship, I've never found her attractive, mostly by who she is. Well, I am a guy.
At this point, she is so drunk she can't see straight, so I stand there watching. She is a bigger girl, which I do like. Her breasts were nice. I'd guess DD breasts, darker areolas, and thick nipples.
By now, I'm rock hard. Seeing her breasts was such a turn-on. I couldn't believe how turned on I was. My wife then gets a shirt on her and rolls her over.
I scurry to the kitchen so I dont get caught. She comes out. We talk and laugh about the night and head to bed.
The next morning, my wife, SIL, and mother-in-law were going shopping. My SIL woke up getting rough she took a shower and changed before they left. They load up and leave, I wait about 15 minutes to make sure they are gone. I already know what I'm planning on doing after last night's run in, I'm already hard just waiting.
I couldn't wait anymore. I head into her room looking to get into trouble, you could say. I find her bra from the night before, I pick it up. Seeing her breasts the night before made me throabing hard, with her bra in hand I drop my shorts. My cock is throbbing hard and has pre-cum already.
I lightly jerk my cock and sniff the bra. It smelt luck perfume and was nice. I started rubbing my cock on the soft cotton, leaving my pre cum all over it.
I look on the floor near the bed and see those bright green panties she had on the night before. I pick them up and start investigating. No stains or anything gross so I decide to have a sniff. I sniff the front and can smell her pussy from the night before. Not a great smell but as a guy it's a good smell. This makes me even more horny. The thought of the night before and this smell I'm so horny. I rub my now pre-cummed cock in the area her pussy juices were.
I notice her suitcase is open and there is one pair of panties left in the suitcase, which made since she was down for 3 days. They were cute more like boy shorts, not sexy ones like the green ones. I sniff those and notice they just smell clean. I decide I'm going to jerk off a little with these. I put my cock right across the inside by where her pussy would go. I start jerking imaging her breasts from the night before I get really close and stop just before exploding but I went to far. I cum just a little right on the croch area. By a little I mean half dollar size. I throw them to floor. I don't want to ruin my full orgasm.
I start stroking again. I'm so turned on I explode but didn't pay attention: I shoot my load of cum all over her pillow she brought from home. Luckily, the pillow case was white with blue anchors on it.
I go to the bathroom and clean myself up. I grab a washcloth and wipe most of my cum off her pillow, but it's defently wet; I had a huge load. I put everything back the way I found it.
The girls come home about an hour later. We decide to go out again this night. I noticed while out at and point, she put the same bra she had on the night before back on. I was turned on thinking my pre-cum was all over the inside of the bra she had on which is now on this big breasts.
The next day, she was getting ready to go, I walked by the bathroom to find her brushing her teeth in the boy shorts I cummed in the day before and a tee shirt. I say, "Hey shut the door." She says, "Yyou know you like it." Honestly, I did but not for the reason she thought.
We cooked breakfast and while eating breakfast she says, "Man my pillow felt crusty last night, guess I need to wash it when i get home." I say, "We'll you you probably drulled allot last night," she just called me an ass. The crust was defently my left overs...
Before she leaves she says to my wife, damn I just bought these panties and they are going into the garbage when I get home. My wife asked why, she said the panty area was scratchy. Yup me again. I was so turned on by the morning I went to take a shower and shot one more load thinking about my weekend with my SIL.
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