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(My first post publishing my stories. Please be nice with ‘constructive criticism’ only please.)

I woke up feeling that familiar sensation in my bladder telling me that I needed to use the bathroom.  I rolled over, looked at my phone, and saw that it was just after midnight, only 12:35.  Only 2 hours since I went to bed but I guess I should have expected that since my sister, Olivia and I had stayed up late having a few beers last night.  Her husband, my brother in law, Ted, was working late as he does two or three nights a week.  Her and I had decided to sit and watch some television together while having some beer and popcorn.   I was staying overnight anyway so why not take the opportunity to down a few since I didn’t need to drive home.

Now I needed to pee, and I didn’t want to get out of bed, so I rolled over and wrapped my arms around my pillow.  My mind wanted to return to sleep but my body wanted to get rid of some of that beer.  I tried to ignore the feeling, but laying on my stomach was only intensifying the need.

Finally, I decided that it would be better to just go to the bathroom than to keep denying the feeling and eventually end up wetting the bed while I slept.   I uncovered myself, swung my legs over the side of the bed and stood up.  Since I was in the guest room of my sister’s house, I didn’t have a bathroom connected to the room.  Walking to the bathroom in just my bra and panties would be faster but dangerous since I didn’t know if my sister’s husband had come home from work yet.  They weren’t thong panties or anything, so I decided to chance it.  I really needed to pee!

I got to the bathroom, pushed the soft pink underwear down below my knees, sat down and began the flow.  That’s when I heard a noise coming from somewhere in the house.  Not living here, it sounded sort of strange to me.  I listened intently as I finished wiping myself, and then chose not to flush the toilet before I figured out what that sound was.  Pulling up my panties, I headed back out into the hallway.  No lights on anywhere. My mind was throwing questions at me as I snuck around the house.  Was that sound Ted coming home from work?  And what would he think finding his sister in law walking around his house in her underwear? 

I checked the kitchen and the living room but found nothing.  Then, as I was heading back to the bathroom to flush, I saw my sister’s bedroom door slightly open at the end of the hallway with a minimal amount of light barely shining out.  Was her door open before?  Not that I recalled.  And was that where the strange sound was coming from?  I tip-toed closer wondering if I ever remembered my sister being a person who snores.  My mind kept trying to find out that noise. As I made it to the door, I finally realized where I had heard sounds like that before.  They were my sister.  They were the sounds she makes when she’s having sex.  How did I know this?  

Years before, Olivia had come home from school for a week while our parents were on a two week vacation.  We were both out of college, alone in the house, and planning on hitting the bars together.  Liv found a guy and eventually invited him back to our place.   I found nobody and when we got home, I excused myself to go to bed as they stayed in the living room.   I happened to leave my room that night for the bathroom, same as tonight, when I saw them doing all kinds of sexy stuff on the couch.   I lost the urge to pee that night as I stood there in the dark watching everything her and that guy did.  I now recognized the strange sounds tonight as being the same small moans and whimpers that my sister let out that night so long ago.  I had stood there for a half hour watching them before I was so turned on that I had to return to my bed and masturbate to the sights I saw.  I came three times that night.  I used my fingers twice and then a hairbrush the third time for something bigger.  

Over the years, I touched myself regularly remembering that night.  I memorized everything I saw and heard.  I even imagined scenarios where I did things differently, such as getting caught masturbating in the hallway or walking over to sit across from them to watch.  Those were my favorite fantasies, ones I all the time reverted to when I needed a good orgasm.  That night had made me into a voyeur, and I loved it.

Tonight was different, but it still appealed to my voyeuristic personality.  The man was different, this was her husband not some inexperienced young man, and this was their house not our parents living room.  They could do whatever they wanted, wherever they wanted and whenever they wanted.  And I was a guest in their house.  Shouldn’t I be more considerate and respectful towards them?  But on the other hand, didn’t they take into consideration that they had a guest tonight?  Not that I minded, my pussy was already starting to feel warm just from the memory of years ago and what I might see if I looked beyond that door.  Did I have the nerve to invade their privacy?  Were the fantasies in my head pushing me to do something I knew was wrong?  But I needed to see.  I needed to take the chance.  The wondered of reliving that night one more time was undeniable.

Fantasies were flooding my mind with possibilities.  Ideas and thoughts of how things could be different this time around if I allowed it.  I also knew, truly knew inside myself, that I would never have the nerve to pursue any of those ideas.  Even if I imagined them hundreds of times over the years in my mind, this was not some one-night stand with some guy, this was my sister with her husband.  I decided to take one small quick peek.  I promised myself that I wouldn’t linger.  Just one second to make sure I was right about those sounds.  If I saw them having sex, then I would immediately head back to my room to finish myself off with my hand and maybe a new fantasy.   I would not invade their privacy more than I needed to.

Sneaking silently up to the door, my excitement was enhancing all my senses.  My footsteps were like thunder to me, thinking they would hear me outside their door.  I made it to my target, moved my head closer to the opening, peeked through the small space that the door was open, and I saw… nothing.   I couldn’t even see a small part of the bed.  All I saw was the one side of their room and a dresser.  There was not even a mirror attached to the dresser in order to help me see.  Disappointment rushed through my body almost turning me around to return to my room.  Until the whispers hit my sensitive ears.  Olivia was vocalizing her desires, “Right there baby!  Stop teasing me.” and Ted’s reply of “Yes ma’am!” followed by sounds of wet lapping and more animalistic whimpers.  Now that was exactly what I wanted to see.  And I couldn’t leave before I did

NSFW: yes

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