The owner of the property had finally left, but it was too late for us. We were both hiding in that dark little closet for hours but it seemed like days. We couldn't help ourselves and we certainly didn't mean for it to happen. Being in close contact for that long with another person especially in the nude, can cause certain physical 'reactions' that cannot be controlled all the times. My Sister Amy and I were basically naked anyways and it was just a matter of time before our bodies reacted to the situation at hand.
The two of us had the bright Idea to spontaneously 'use' one of our neighbor's pool late one evening. Neither of us had any type of bathing attire so we would have to improvise. It was one of those unforgiving hotter than normal days and nothing sounded better than a quick dip. There were no lights on in the pool area so my Sister and I shucked our clothing and slid into the cool water and were relieved immediately. I had never skinny dipped before especially with Amy who was enjoying the sensation a little too much. She was swimming and splashing almost uncomfortably close probably not realizing we were both absolutely naked. It was dark so I never saw too much. I tried to overt my eyes but still caught the occasional glimpse of her feminine frame reflecting the light from the full moon above. All of this sounded like a pretty solid plan and was going well until the Lady who owned the place pulled in the driveway.
The two of us barely had time to grab only our shirts from the poolside before who ever's house this was pulled into the driveway and spotted us and caused us to seek refuge inside. There was plenty of evidence left behind to signify that their pool had been recently occupied. Luckily, the current occupant didn't happen to lock the small screen door near the backyard. We made it upstairs to one of the owner's many bedroom closets. This particular house was gigantic in size but for now, we were trapped! My sister was slightly crouched directly in front of me as we squeezed in tight among its contents. I had to hold on to her from behind with her back against my chest and my arms mostly around her waist. I'm not sure either of us had realized that we had formed an intimate yet accidental embrace. It was extremely uncomfortable and every time she tried to adjust herself in that cramped little space, I could feel the warmth of her crotch radiating off of mine. As we hid I just knew she could feel the rigidity of my increasingly growing hard-on brushing against her sopping wet bottom. Our hearts were still pounding as we waited for that woman to end her search and leave the place so we could get our clothes back on and make good our escape. If we got caught, it would be the end of us for sure. The more my sister agitated, the more dangerously close my untamable cock was in contact with her naked lower half.
As we both struggled to peer out of the tiny slats in the closet doors, we held our breath as we watched her angrily sweep the room in search for the two of us. Our captor then entered the adjacent room and my sister and I breathed a sigh of momentary relief. Neither one of us had spoken in several minutes. Still peering forward, I noticed Sis has began to slightly move her tight buttocks up and down a little along the length of my cock which was seated comfortably in her ass crack. It was very clear that she was feeling a bit naughty this night which is probably how we ended up being naked in the pool in the first place. She was in fact my Sister but I couldn't help but play along. After all, I just spent time with her soaking wet and without any clothes on. She did have a gorgeous and virile little body. I had rarely seen my little Sister act so care-free before and this new defiant attitude made her seem a little more attractive.
I wasn't sure what was going on and could do nothing but let it happen and try to remain vigilant. It was becoming increasingly difficult to focus as my Sister was now blatantly rubbing her soft little snatch up and down my exposed cock. This was wrong in every sense of the word but in light of all the stunts we pulled just now, it seemed a perfect ending to a less than ordinary day. We were going to get caught and we both knew it, so why not just complete the day by fondling my little sister in the stranger's house we broke into?
What was she doing? Was this some kind of turn-on for her? There should never be a time and place for a brother and sister to get physical in a closet and this was certainly no exception. I wasn't sure what was going on in her head. Maybe it was these particular set of circumstances that set her off but I didn't budge. My sister, after a few failed attempts, had finally managed to square up her opening with the tip of my dick. Still basically motionless, with the exception of my Amy's lower half, she pushed herself slightly backwards and over some of my quivering length and it went in. The head of my shaft had parted her lips and made its way inside her with a pop. Her head fell downward as she let out a small painful gasp, then looked back at me as if to gain my approval. I didn't want to start this but I also didn't pull away either. We were now completely still for over a minute before she removed herself from my cock only to repeat the process. Was this really the time for this? We were both scared out of our minds and on the brink of getting busted big-time. Despite all of that, I could only focus on the fact that my cock was now almost completely up my Sister's pussy.
The inside of her warm little canal felt amazing. My entire length was soon enveloped by her moist insides and the sensation was unlike anything I had ever come close to feeling before. Panic stricken, I wasn't sure what to do next. The two of us were crammed in this little closet with a bunch of random junk trying to remain silent. It wasn't my plan to be holding my Sister in the nude and let my cock manage to creep its way into her fuzzy slit. Should I start fucking her or would the commotion alert our captor and cause even more trouble? I'm sure the sight of the two of us having sex in her house would just add more fuel to an already burning fire. Both of us were motionless, completely quiet, but still connected at the groin. Finally I had to say something.
"What are you doing?" I asked softly.
Amy turned her head slightly still keeping one eye on the slats and whispered.
"That feels good."
I whispered back "Yeah, it feels good to me too." I continued whispering faintly. "Why did you do that?"
Amy smiled as she responded. "I've always wanted to see what it feels like. C'mon, we are both naked, wet, and I could feel your boner smooshed against my ass... and it just felt nice.
"You are my sister though." I responded.
"So what? I know a couple girls that fucked their brothers. But if you don't want to, then take it out." she shrugged.
I didn't say a word. She had completely called my bluff. Of course I enjoyed having my penis inserted into her yummy cunt lips.
"That's what I thought." she said smugly.
"Don't you want to fuck me? You're not doing anything back there." She whispered angrily.
My heart almost jumped out of my throat and I got a little dizzy. "I didn't plan on it. You want me to fuck you?" I said almost aloud. "you mean like FUCK, fuck you?"
"Don't be shy. Haven't you ever wanted to? You're already in me, so what's the problem?" She giggled. "You feel so good in there....please."
As wrong as this was on every level, I somehow couldn't wait to start having sex with her right there. I never imagined in all my dreams that one day i would be balls-deep in my own little sister's vagina. I've known her since she was born. I watched her grow up and I never knew she was capable of having such feelings. Could I live with her or myself afterwards? My head was clouded with moral dilemmas and the primal instinct to sink my shaft deep into her delectable, bright pink opening. I pondered all of that for a bit until I realized she was right. I was currently IN my Sister. There is really no coming back from that. There's a saying: There are some bells you can't un-ring. After your see your sister bent over sitting on end of your cock, that's something not so easily forgotten.
"Okay but, we have to be super quiet." I whispered. "She hasn't given up yet and is still out there."
Not saying a word, Amy nodded and braced herself a little more in my grasp. Trying to get more leverage in our current position, I held on to one of her shoulders and fixed my other arm around her belly. I pushed myself forward as she pushed backwards a few times and before we knew it, we were slightly fucking. Her soaking wet hair dripped down both of our bodies making it difficult to hold on to anything at all. I looked at my sister's face and could tell she was holding in her cries of passion as I carefully continued filling her sopping wet cunt with my throbbing rod. She was loving this and to be honest, so was I. It had been a while since I had sex and despite the debauched nature of how this came to be, it was quite welcome.
