A Helping Hand

by Thesandman

Caution: This Erotica Sex Story contains strong sexual content, including Incest, Sister, Oral Sex, Anal Sex, Masturbation, Petting, Squirting, Cream Pie, Exhibitionism, Voyeurism, .

Desc: Erotica Sex Story: Kay invites her sister to come and stay.

My wife Kay and I had been married for just over a year when we got the news that her sister had filed for divorce. With nowhere else to go, and having plenty of room at our place, it was only natural for Kay to invite Linda to come stay with us until she could get on her feet again.

I had only met Linda once, at our wedding. And though they were sisters, they were as different as night and day. Kay was shorter with short red hair that made her look pixyish, with a devilish look about her that exuded her smoldering sensuality. Full breasted, a well rounded ass that she loved having me fuck, not to mention a pair of lips that I loved having wrapped around my hard stiff cock whenever possible.

Linda on the other hand was considerably shyer, more reserved. Although in all fairness, having only met her the one time it was hard to make such a comparison, had it not been for Kay's own description of her personality I would have withheld judgment. But even Kay said her sister was a bit of a prude and very inhibited when it came to sex, which is one of the reasons, we both figured that her marriage had fallen apart.

Linda had shoulder length hair, slightly taller though as I recalled, her breasts weren't nearly as big as Kay's were, though again, in the demure outfit she'd been wearing when I'd seen her last, that too had been a fairly unreliable comparison.

"You sure this is going to be ok with you?" Kay asked. "It will only be for a little while, a month, perhaps two at the most. Just until she can get back on her feet again."

I didn't really have a problem with it. We did have plenty of room after all, my problem was, if one could call it that, was up until now, Kay and I had had a very free, very spontaneous sex life. And what I mean by that, we could... and often did end up fucking in whatever room of the house we happened to be in whenever the mood struck us. With Linda's arrival, that freedom we'd had, shared and been able to enjoy with one another on a whim was about to disappear. And I told her that.

"Honey, I know things will be a little harder around here, but I am sure we will still be able to do things even with her here. If anything, it might make it a little more exciting with the possibility of being discovered!"

"Well, there was that," I mused smiling, then spoke aloud. "I won't purposely do anything that might embarrass or offend your sister honey, but if something like that does happen, if she should walk in on us, or catch us doing something when we hadn't expected to see her, I'm not going to stop whatever we're doing or in the middle of because of it." I told her.

Kay grinned, nodding her head. "Deal!" she smiled wickedly already worming her hand down the front of my Levi's. "Linda does know me," Kay added as her sweet hand began fondling my rapidly stiffening cock in earnest. "And in fact, I've already warned her about us," she said giggling as she slow-stroked my now every erect prick. "And who knows? Maybe if Linda has a chance to see how two people can really enjoy sex and be together, maybe some of that might rub off on her."

"I doubt it," I said dubiously. "The first time she hears any groaning coming from the bedroom, she's apt to turn the TV up full blast just to drown out the sound."

"Who say's we'll be in the bedroom?" Kay quipped as she dropped down on her knees before me, now running that delicate flicking tongue of hers up and down my shaft.

I hoped my wife was right. I'd miss not spreading her out on the kitchen counter on a Sunday morning, licking her pussy while waiting for the breakfast rolls to finish baking.

With more than a little apprehension and uncertainty, we warmly greeted the arrival of her sister later on that afternoon. Being that it was a Saturday, I'd left the two of them to enjoy a sisterly talk, with the promise that Kay would remind her sister that although we were certainly there for her, we weren't putting our own newly formed marriage on hold for her either. I'd gone out, mowed the yard, done some weeding and come in to shower prior to having dinner, which the girls were now busily engaged in preparing.

"How'd it go?" I whispered at the first opportunity.

"Good I think," Kay whispered back. "I told Linda what a horny little bastard you are."

"Oh great, so you put all the blame on me then!"

She laughed. "Well, and I also told her that because you are such a horny little prick, that it makes me horny all the time too. So if she ever does catch us fooling around someplace other than in the bedroom, she's going to have to accept that and either look the other way, or find something else interesting to do."

Now I smiled. I could live with that. Though for the next three days, our sexual activities were confined to the bedroom. I was beginning to think that the wild naughty spontaneity we'd been enjoying, truly was a thing of the past. But then on the fourth night, Linda had retired to bed early, leaving Kay and I alone together in the living room for the first time since her arrival.

"Wanna?" Kay asked seductively, already shedding her clothing faster than I could even reply.

"Really?" I asked wickedly as I began struggling out of my own clothing. "It's still pretty early you know, what if she wakes up?" I wondered aloud.

"Well, then I guess she'll find out we were serious then won't she?"

Funny what just the mere thought of bending my wife's body over the back of the living room couch could do to me, and to her for that matter. We were both so fucking horny at that point that I could have cared less if the Mormon Tabernacle Choir had suddenly appeared in our living room, standing behind my beautiful wife, my cock deeply buried inside that tight deliciously wet slit of hers felt too fucking good to care!

And even more amazingly, Kay wasn't trying to be quiet either. Not that she normally really did, but even in our bedroom when we knew that Linda was still up, I had noticed that she didn't seem to be quite as vocal as she usually was. Now however, she was moaning and groaning with obvious pleasure, and not toning it down one iota, which I was pleased as punch to be hearing. Hearing Kay's voiced pleasure, not just in those wicked erotic little sighs as such, but hearing her telling me how good my cock felt inside her cunt, telling... demanding that I fuck her, things like that. I'd been missing that, and hearing them now once again, speaking normally in that very much missed tone of voice was having its affect on me as well.

"Oh baby! Baby! Yeah honey, fuck me! Fuck your hot horny little wife!" she was saying.

I was only too happy to oblige. And I was really starting to get into it when I happened to glance up momentarily and caught a reflection in the TV. Angled as it was, I was dumb-founded to catch a brief glimpse of Linda's face peering momentarily around the corner of the hallway leading back from the bedrooms. I almost said something, thought better of it, especially as she disappeared from view almost as quickly.

"Ah well, don't say we didn't warn you!" I thought silently, smiling inwardly as Kay of course continued on with her fairly vocal expressions of pleasure. The fact that she'd been doing so, clearly heard by her own sister gave me a deliciously wicked little chuckle. I could only imagine what she must have been thinking. After a few more minutes of some nice hot doggy fucking, Kay informed me it was time to suck cock. Something she loved doing, and something I loved for her to do. I lay back on the couch as Kay positioned herself between my legs. She'd no sooner begun working my cock with her mouth than I again glanced up catching movement, once again seeing Linda's face just peeking around the corner. I realized she had no clue that I could see her standing there as I gazed towards the silent TV set. And even better, situated as we were, unless either Kay or I turned in that direction, there was no reason for her to even suspect that she could be seen. As such, after a few more moments, she became bold enough to present herself more clearly where she too could have more of an unobstructed look without being seen. Or so she thought!

I was really tempted to say something, not to Linda of course, but to Kay. But I knew in doing that, it would alert Linda that I was aware of her presence, and to be honest about it, I was now finding this weird little scene quite erotic in nature. Lets face it, having an audience was a bit kinky, even if Kay wasn't exactly in on it, so I decided to let things go for the time being and simply enjoy my own private little fantasy. In doing so, I became a bit more vocal myself, not that I usually didn't anyway. But under the circumstances, I decided to really enjoy myself. And the hotter it seemed I was, the hotter and hornier that seemed to make Kay. She was now groaning and moaning just as loudly as I was, and had even begun fingering herself while still busily sucking and lapping at me. I'd begun to wonder if this was having any affect on her sister, figuring that at any moment now, she'd turn tail and run back to the bedroom, perhaps even get herself off there without anyone the wiser. To my surprise, I watched her image in the darkened TV set as her hand slipped below the hem of her nightgown, it was obvious she had slipped it inside her panties as she stood there 'secretly' so to speak, watching us as Kay continued giving me a world-class blow job!

"Oh fuck honey!" I shouted, "You're gonna make me squirt if you keep doing that!" I wondered briefly if I'd actually spoken a bit too loudly, and would cause Kay to question my arousal. She didn't however, if anything urging me to do so, so aroused now herself that she was on the verge of orgasm herself through the use of her own fingers.

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