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Secret Moonlit Sex

One too many boob flashes.

The final few guests that my sister and I had over the family beach house said their goodbyes and exited the front door. After that door closed behind them I knew exactly what we were going to talk about. Another brother and sister in their late twenties, around our age and friends of the family, were among the guests and they were a little bit too flirty with each other. The casual physical contact and playful giggling they shared was not something you usually see with siblings. It had an unmistakable sexual element.

"Okay, what was that all about?" my sister asked when we both walked into the kitchen to begin cleaning up.

"What?" I said with a knowing grin.

"They were all over each other. You saw that right?"

"Yeah. It was a little weird. Maybe they have one of those touchy-feely families."

"Haha, I've never heard of a 'touchy-feely' family that's like that. Whenever he made a joke she would put her hand on his leg, a little too close to... ahem. And he touched her hair a few times. It was all a little freaky. Do you think they ever... fooled around? I wonder."

I shrugged my shoulders. "Who knows. Hey, don't knock it 'til you try it. You know what they say..."

"What?"

"Incest is best."

"Ew, shut up."

She was washing the dishes in the sink and this provocative conversation inspired me to check out my own sister. Hm, not bad. Pretty good actually. I took note of her lovely long brown hair, shapely legs, and... the snug fit of her white shorts against her cute firm ass. I decided that if she wasn't my sister I would happily tap that ass, let's get it out on the table. I peered around near the counter, and yeah, her boobs are a good handful. Certainly squeezable. A strong urge to be devious overcame my fear and resistance and I went behind her and grabbed her waist with both hands. She flinched in surprise and almost dropped a glass.

"Ah! What are you doing?"

"Just testing out the theory, if incest is best," I said in her ear as I wrapped my hands tighter around her waist. She turned her head to the side and her mouth was dangerously close to mine.

"So? Is it?" she asked. Her pleasant vodka and cranberry breath drifted into my mouth.

"I need more data," I said and slowly slid my hands up towards her breasts. I stopped short, but was precariously close to the undersides where they gently curve out to a soft, delectable treat. The desire to take the leap and cup them in my hands was intense. No way in hell was I going to cross that line, though, and I walked away.

"I can't believe you were about to just do that," she said, appearing mentally disheveled but not particularly creeped out.

"Just playing around."

You're a naughty boy she said wordlessly with a smirk. Wow, it appeared I got away with it.

We were not a touchy-feely family. I rarely grazed a hand against my sister, at least not since years ago in our teens when we gave each other a few back massages. It felt strange, but I'd be lying if I said it wasn't arousing to be so close to feeling my own sister's plump breasts. My hands were still tingling and my mind was excited by the possibility of it.

We got quiet for awhile as we continued cleaning up. I sensed a nervous tension. When we finished in the kitchen we eventually got comfortable on opposite ends of the couch in the living room. The soothing sound of distant waves rumbled from the beach. I was thinking, there we were making fun of the supposedly weird brother and sister, meanwhile we didn't have a perfectly innocent past ourselves.

"You know something... who are we to talk?" I said. She gave me a curious look as she twirled her brown hair.

"What do you mean?"

"I remember when we used to watch TV in your room because I didn't have one for a long time."

She laughed. "And?"

"A few nights we fell asleep in your bed and when we woke up you would magically be wearing only a bra and panties."

"I felt comfortable sleeping like that. It's not like anything happened during the night."

"You seem to be forgetting the late-night back massages."

"Alright, the massages are little iffy." She gave me a sly smile. "But I think you're looking too much into this."

Damn, she was in denial. Bra and panties? Massages? Come on! While nothing else physical did happen, there was an awkward but palpable sexual lust in the atmosphere during those horny teen activities. Another significant past event came to me. It was burned into memory but I hadn't thought about it for awhile.

"Oh, and what about that time you flashed me?"

"What are you talking about?" she said in an exaggerated tone, pretending she didn't remember.

"Come on, you don't remember? I think you were about sixteen, and... oh yeah, we were playing Monopoly in your room, sitting on your bed. And boom, you flashed your boobs right at me out of nowhere."

She laughed and her blushing face was adorable. "Oh yeah, I remember that. I think you had Boardwalk and Park Place with hotels on them, and I landed on it and you won the game. I got mad so I flashed you."

"Wait a second. To get revenge you showed me your boobs? Yeah, that was devastating," I said with sarcasm. "A horny eighteen year-old guy seeing a nice set of tits is a traumatic experience. I'm still in therapy."

We both laughed, and I saw her eyes flash with surprise at my blatant nice tits compliment. Felt good. She looked down at her ample breasts hiding, not very well, behind a tight blue T-shirt with thin material. She was wearing a bra, unfortunately.

"You should have seen your face," she said in amusement. "Your eyeballs almost popped out of your head."

"Boobs are boobs, what do you expect. They don't stop being boobs because they happen to be on your sister's body."

She came to a realization as I kept glancing at her chest. "Okay, now I remember why I really flashed you."

"Why?" I asked.

"You do realize you used to look at my boobs a lot right?"

"I did not," I scoffed.

"Yes you did. You're doing it now."

"They're the subject of our conversation right now, so it's hard to just ignore the two pink elephants in the room."

"Don't worry, you can admit it. It didn't bother me when you used to look at them. That's what guys do, even brothers apparently. So I figured I'd give you a treat."

"Aw, such a nice sister. Anyway, you liked it when I looked at them."

"Did not."

"Did too. That's why you really flashed me, you were so proud of the things and were dying to show them to the nearest guy."

"Psh, please..." She giggled softy and we both went silent.

I got up from the couch and went to the kitchen to get a drink, but also to take a needed break from the pleasant and thick sex heat in that living room. The sexy specimen of female stayed where she was, and I thought the unthinkable in such a clear and unapologetic way: my own sister as a sexual being. A hot chick. Naked. Possessor of a pretty pussy. Wet. Having sex. Writhing. Moaning.

I needed to get some air! The thought of pushing this further made me nervous, but also intrigued me. She seemed to be enjoying the flirting as much as me.

When I walked back into the living room I was greeted with a stunning sight. My sister was still sitting on the couch but her shirt and bra were up and her beautiful round tits were exposed. Her pink areolas and nipples scorched my eyeballs. Wow! She had a huge smile and her cheeks were red as she soaked up my shocked reaction. I stood there and stared taking in this startling image of erotic sister tits. Those hard nipples were primed for sucking. She pulled her shirt and bra down.

"Come on, let's get out of here and take a walk," she said while giggling. She rose from the couch and headed towards the sliding glass doors facing the beach. I followed, and thinking on my feet, grabbed a large beach towel on the way out.

***

I chuckled as we strolled barefoot on the sand toward the water. The cool and breezy beach air was refreshing.

"What?" she asked.

"I can't believe you did that."

"I wanted to see that shocked look on your face again, it's so funny."

"The power of tits. Pretty hot though."

"Thanks."

"You keep that up and I'll no longer be responsible for what I do to you."

She gave me a big smile. "And what does that mean!?"

I smiled mischievously but didn't answer. The sexual tension swirled in the salt-scented wind around us as we neared the rolling and splashing water.

"Seriously though," she spoke up, "I wonder if those two have had sex. Imagine that?"

"You know, now that I think about it, I bet it's more common than we realize."

"Why?" she asked.

"Well, look at us." I felt comfortable enough to finally come out and say it directly. "Let's be honest, there was a sexual thing between us growing up."

"Maybe."

"Oh come on, no sense dancing around it anymore. It was there."

"Okay, yes, there was a lot of flirting between us," she said. "Maybe we were just young and... 'exploring' our sexuality, as they say. We grew out of it though."

"Did we?"

I quickly moved in front of her and put my hands on her waist. I leaned in to kiss her but she moved her head back.

"Not so fast," she said playfully and jogged away from me toward the water. What a brat! I was loving this, it was exhilarating. My sister and I were openly flirting and I almost kissed her. I couldn't believe I did that. My desire for her was now unstoppable. I wanted to smash this taboo and see what it felt like.

When she reached the water she turned and faced me. The full moon in the sky was directly above her creating a shapely sister silhouette. When I was about ten feet away from her I stopped.

"You're beautiful you know," I said.

"Wow... thank you."

"I was talking to the moon."

"Ah! You're such a wise ass."

"And you love it. No, but seriously..."

"What?"

"You are very cute."

"Wait, now it's 'cute'? What happened to beautiful? Not fair."

I smiled but purposely left her hanging.

"You're not too bad yourself," she said.

What a lukewarm compliment.

"I have a handsome brother," she added, saving my ego just in time.

Hearing that from her made me blush.

I walked up to her and put my hands around her waist yet again. I was waiting for another snub when I moved in to kiss her but this time she didn't move. Her eyes were sparkling with anticipation. Our lips met and I fucking kissed my own sister. It was strange, awkward, intoxicating and incredibly pleasurable all at the same time. When our wet, sensitive tongues made contact, all hell broke loose and our resistance broke down. She tasted like vodka and cranberry, girl, and sister. Delicious. We steadied into a slow, synchronous rhythm of almost perfect circles. This kiss, one of the most romantic and passionate, moonlit beach kisses ever recorded, lasted hours, a lifetime maybe. Actually, only about a minute, but it seemed like a lifetime. I held her face in my hands and we separated.

"I want to do something," she said with a devilish grin.

"What?"

"You'll see."

She got on her knees and pulled my shorts down, and my rigid, substantial cock hit her nose when it sprang out. We chuckled and her eyes danced with eagerness and joy at the first-time sight of her own brother's cock. She licked her lips like a hungry little girl and surprised me when she bypassed any sort of teasing. She accepted a good length of the thick pole in her wide open mouth, barely touching it, then slid her tightly closed lips back, making firm, wet contact with my skin and giving my body maximum pleasure. My sensitive and thrilled cock was jumping in her mouth.

An image formed in my mind of the cute and innocent young girl I grew up with, and now here she was as a grown woman and a dirty little whore, and I mean that in the nicest way possible.

She cupped my balls and picked up the intensity of her sucking. You could tell she'd been desperate for her brother's cock for years and wanted to devour every inch of it. She wrapped her hand around the shaft and jerked me off in unison with her back and forth mouth action. What a pro! I obviously knew my sister was a sexual being in some form or another, but I never pictured her doing anything like this. It was so hot. It also warmed my heart at how dedicated she was, that it was important to her to do it well for me. How sweet, I wanted to hug her.

With watery vision I took in the enchanting sight of the moon, a bright white ball doing well at illuminating this erotic depravity. Committing incest in front of a vast ocean and on an empty beach, and not giving a fuck, was liberating. At least, I assumed the beach was empty. I looked around while pushing the back of my sister's head until she choked a little, and didn't see anything except the soft lights of houses up yonder.

The feel of her mouth, tongue, and saliva was strangely different. Seeing my hardness fill her sibling mouth while she worked her tongue and hands with unrestrained passion to try and get me to come, was unlike anything else in this world. Yep, I fell in love with her. Oh well.

The orgasmic tingling emanated from my cock and traveled throughout my body as she slurped and slobbered like a sexy slut. I so badly wanted to come in her mouth and all over her face and defile the pretty little thing she is. But not yet. I wanted to be inside her, to fuck my sister. The thought of that overwhelmed me. I pulled my cock out of her mouth and for fun I slapped it on her forehead a few times. She liked that and giggled.

"What happened? Did you like it?" she asked with a wet mouth and cheeks. How cute.

"Yes. You're incredible. But I want to make love to you. Come on, let's go."

My shorts were by my ankles and I took them off and held them in my hand. Like a naked caveman I grabbed her hand and led her over to a big white lifeguard chair a short distance away. I took the towel from around my neck and spread it out on the sand near the wooden chair. This would give us some semblance of privacy, at least psychological privacy because the chair didn't really hide much of anything. While I still felt self-conscious being completely naked in front of my sister, my ravenous desire to fuck this hot and forbidden piece of ass distracted me.

She sat on the towel and began stripping. Every piece of clothing she took off she swung around in her hand then threw at me with a blushing, sultry smile. First her shirt, then her bra, and I saw those magnificent tits again. I mean, it's not like they're big, but they're magnificent because they're on my sister's body. Finally, she took off her shorts and was left with tiny little panties. My cock and I waited impatiently as I stood over her. She slid them down her legs and as soon as I saw that inviting sweet slit I practically fell on top of her and nestled myself between her legs.

We stared into each other's eyes to silently communicate and make sure we both wanted to go all the way. She cleared up all doubts.

"Fuck me," she whispered.

"Say: 'I want my brother's cock inside me'."

She said it without hesitation in a sweet girly voice and it was the hottest collection of words I'd ever heard. Enough dirty talk. I grabbed my cock and slid it up and down her labia and clit to gather up some pussy fluids for lubrication. The head eased into her slippery opening. Our eye contact was hypnotic as I slowly pushed in deeper. The ultimate taboo had been breached, on a peaceful beach under the moonlight. The sound of splashing waves soothed our ears and senses. Does it get any better?

Her pussy walls enveloped my smooth and rigid thickness. Our breaths were short and sparse and we concentrated on the unique and fantastic sensations of a brother penetrating his own sister's wet pussy. After a few minutes of slow and heavenly in and out strokes, I picked up speed until I was fucking her good and hard.

"You like fucking your sister?" she asked me breathlessly as my hips smacked into hers and her tits bounced up and down.

"Yeah. You're my little slut, right?"

"Dirty little sister slut. I've always wanted you to fuck me."

"Really?" I asked. I was genuinely curious.

"Yeah."

"I knew it."

"That's why I showed you my tits years ago you dummy. And tonight. Now fuck that pussy. Harder!"

This unexpected dirty talk was awesome, and amusing too. Hearing my sister say those things was hot and goofy at the same time. I needed a new position. I gave her cunt a final flurry of violent pumps then got off her. I prompted her to turn around so I could bang her from behind. She quickly got on her knees and hands and I smacked her ass pretty hard. Slap!

"You want it bitch?" I asked her like the gentleman that I am.

"Yes, please."

I wasted no time and plunged my cock inside her and smashed that fine, round ass. She whipped her head back so her brown hair fanned out nicely across her back. That looked beautiful and the tresses were begging to be pulled. I grabbed it all and bunched it together into a nice makeshift ponytail. I kept pulling and pulling to see how far I could go before she cried out. Her head was back so far that she was looking straight up into the sky and then:

"Ow!"

After one more healthy yank for good measure, I let go of her hair but continued pounding her jiggly ass. I gave it a few more stinging slaps with my hand then reached forward to cup and massage her tits.

Incest is best, they say? They're right, it turns out the saying isn't just a joke. This was the best and most intense sex I had ever experienced. The brother and sister who we were making fun of earlier? If they did fool around, now I understood it. They must have accidentally discovered it and became addicted, to where they couldn't help but hint at it in front of others.

That's it, I was going to come soon and the only proper way of doing that was missionary so I could look at her pretty face. We scrambled back into that position and I resumed ravaging her dripping pussy with my engorged cock. Her pussy fluids were all over our skin between our legs. I sucked her tits to try and help her along to orgasm. Seeing my sister come would be incredible. She was moaning loudly now and I wondered if the sounds were traveling through the wind into unsuspecting ears.

She looked into my eyes with urgency and informed me in a breathless whisper that she was going to come. Her cunt and entire body tightened and forceful hisses came out of her open mouth. She came and came with her loving brother pumping that orgasmic pussy. The hisses then changed into lengthy and deeply satisfied moans as her body weakened and went limp.

My throbbing cock was primed and ready to shoot hot loads of cum. Cum inside her or not, was the question. I gazed into her eyes to quickly try and retrieve a silent answer from her, to get a second opinion. She understood and gave me the answer by grabbing my ass with both hands, squeezing, and pulling me deeper inside her as I pumped. I looked down at her mound and fully immersed my body and mind into the overpowering orgasmic sensations, and the delight of cumming inside my sister's pussy. I felt gobs of it pulsing out of my cock. I pressed her mound firmly with each stroke to get it deeply into her womb, and then tongue kissed her like she was the love of my life.

***

"So, I think the theory has been proven without a doubt," she said as we laid side by side on the towel in serenity. The saltwater infused moonlit ambience blanketed our naked bodies and the cool sand sprinkled through our toes.

"What theory?" I asked.

"That incest is best. What do you think?"

"It definitely is," I said with a chuckle and kissed her hand.

We basked in the freedom of our nakedness and the relaxing post-sex love glow.

***

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Comments(5)


sxaddited60
Posted 18 Nov 2012 14:48
Very well written, I'm hoping there is more to come. Thanks for sharing your sister.
AndyD
Posted 22 Sep 2012 18:24
Wow. That was really hot and very well written. Just enough tension built up to make it very believable. I hope you add a few chapters. They have some fun times ahead I am sure.
chiefnorm
Posted 22 Sep 2012 10:11
That was HOT great story.

Princesscrazy
Posted 22 Sep 2012 08:55
fun story....and hot!
Calvin1
Posted 22 Sep 2012 08:35
Incest is best!!!
 

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