Breeding my Sister's Wife Ch. 11

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I finally fuck my sister Kate's pussy... and it's risky.
4k words
4.81
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Part 10 of the 12 part series

Updated 04/02/2024
Created 01/23/2024
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JHErotica
JHErotica
801 Followers

The almost scaldingly hot water felt amazing on my sore muscles as I eased myself into the hot tub. I closed my eyes, and rested, until about five minutes later I heard the door to the house open. Kate was back to her usual bubbly self, hair wrapped in a towel while she shrugged off her robe to join me in the water.

"Fuck," she said, standing on the first step, "Alena keeps this water so hot."

"I like it," I said mildly, watching her slowly dip herself into the water, knees, thighs, hips, until her nipples finally disappeared under the bubbles.

There's nothing quite like a hot tub on a cold, crisp winter day. The contrast between the feeling of your skin outside of it and inside of it. Kate kept not being able to stand the heat, so would pull herself back out of the water, only to get covered in goosebumps, her nipples getting hard and standing out like rubber erasers, before she would have to descend back into the water. I enjoyed the show, the constant hide-expose as I got to see more and less of her, but that was about the only sexuality we had. We chatted as the sun set, making it dark even though it was still the afternoon.

Once their automatic outdoor lights kicked on, Alena opened the door to call us inside.

"Most. Boring. Incestuous. Siblings. Ever." She chided us as we came back in. "I was watching from the window for the past half hour sure I was going to get some kind of a show, but you guys kept on just chatting. Ugh."

"The real show was in the shower," Alena teased her, "And my brother made a decision that needs some ratification. He says I'm to be anal only for the rest of the day..."

"Ratified"

"Well in that case," Kate said, opening her towel and bending over the counter, "I'm also going to be *always* anal today..." and she parted her cheeks, showing a plug with a long black bar sticking out of her ass, and I couldn't help but notice, red, inflamed, wet pussy lips under it. Maybe that hot tub adventure had been more sexual than Alena or I had thought.

Kate then snapped up, pulled on her robe, and got putting out some food - a charcuterie board and some light snacks for dinner, and I excused myself to shower.

When I got back downstairs, I was only mildly surprised to see Kate back in the nude.

"I made another rule," Alena told me, seeing my eyes on my sister. "With how much activity we've both had, we're going to need max stimulation to do the other two inseminations we wanted to get to today. So no more clothes for her."

"Also," Kate added practically, her breasts swaying as she made a pert little bounce, "to give you some recovery time before bed, the next deposit should be about now. Plus, sex before dinner is better than the other way around." She immediately got to her knees, pulled my cock out, and started stroking it.

"Sorry," Alena said, "I told Kate my cunt needs a little break, so most of the work is on her this time. We made a little plan, I hope you're happy to play along." I certainly was at the moment, watching my older sister's hand working at my growing cock. She licked the tip gently, swirling her tongue around my head, then pursed her lips and slid the whole thing into her mouth, holding her lips against the base for a second. She let out a small cough as she withdrew, her eyes watering but wide with pride.

"I've been practicing"

As she took my cock back into her mouth, I noticed Alena had moved away - gotten undressed, and was laying on the dining room table, her ass right at the edge, her feet resting on chair with her knees spread wide. My eyes snapped back to my sister as she deep-throated me again, and I put my hand lightly on her head, feeling her throat around my cock. She withdrew, and, taking me by the hand, led me to the dining room table, positioning me in the gap between the two chairs. She pushed me forward with a firm hand on my ass, until my cock was hovering a tiny bit from her wife's pussy, then went behind me, and started stroking me again from behind.

I could feel her breasts pressed into me, and the warmth of her body, the slight involuntary thrusts as she stroked my cock. I edged forward involuntarily, the head of my cock now resting on Alena's wet entrance, her finger still dancing over her clit. Alena's eyes were fixed on her phone.

"What are you watching?" I couldn't help but ask, as my sister pumped my cock into her wife's wet slit.

"Incest porn," Alena responded distractedly.

"Really?" I chuckled, gesturing at what was happening around her.

"Lesbian incest porn," Alena clarified, breathing a little bit harder.

What was happening was feeling very good, but my cock was getting a bit sensitive. I asked Kate if we could grab a bit of lube.

"Alena, can we lube up?" she asked, innocently, her hand pausing on my cock for a moment. Alena nodded, and Kate adjusted her hand position slightly, before pushing me forward with her whole body, and sliding my cock in Alena's wet slit. The feeling of warmth and wetness was amazing. I let out a moan, and Kate took me firmly and pulled me back, but not as far out as I had been last time - my head was now decidedly inside of Alena.

Kate slowly built up her hand movements, and now with this added wetness and stimulation I did feel the cum start to build inside of me. Alena's hand started moving faster, and she started twitching little bits - and I noticed her eyes drifted from the screen more and more.

"Never-mind," she breathed, finally putting the phone down beside her and losing the pretense, "this show is hotter."

I don't know what it was, but her eyes on me pushed me closer and closer to cumming. She looked hungry. For my cum. My sister's wife, the dyke, the previously gold star lesbian, was hungry for my cum. Alena pushed me in closer, now half my cock was inside of her wife, and her hand was barely able to move between us. Alena took her hand away, as each little jerk of Kate's hand was rubbing against Alena's clit. I closed my eyes and put my head back, and Kate moaned about how hot it was, seeing me breed her wife.

But then she said in a whisper, that was definitely loud enough for Alena to hear:

"It's okay if you want to imagine you're breeding me instead."

"Oh... fuck" Alena moaned, her abs and legs starting to twitch, her pussy gripping onto my dick, with my sister's hand still firmly pumped me in to her. I felt my balls fill to the brim, then, as the first shot of cum gushed out of me, I closed my eyes, and imagined the curves of my sister below me, her slit split open by my dick, my cum pumping inside of her.

Kate pulled her hand away and pushed me forward, burying me to the hilt as my cock continued to pulse, spurt after spurt of cum filling her wife's unprotected womb, but her body, her warmth, still pressed into me, holding me, intertwined with me as my body shook with orgasm.

By the time I was done she was almost holding me up, and I slumped forward onto the table, feeling Alena still trembling below me. Once I was back to fully supporting myself, I felt Kate move from my side, returning with two pillows. Alena arched her back, hiking her hips up, her pussy gripping my cock as she moved, and Kate slid the pillow under her wife's hips, then the other under her head. I slowly withdrew, and saw a quivering bead of white cum at Alena's entrance, barely kept in place by the gravity pulling it to her womb.

I staggered back into the living room, and collapsed on the couch. Kate came up to me a few moments later, leaning forward and hugging me tight.

"I don't know if I have another one in me," I muttered, only half joking, feeling spent in more than one way. She leaned down and kissed me on the cheek.

"No need to worry about that now. Just rest. We'll see," she replied, before standing and busying herself with finishing dinner.

--

I don't know how long I laid there for, but it felt like 20-30 minutes. I might have napped a little bit, I'm not sure - my eyes were definitely closed, and when I felt a light touch on my arm, I was startled.

I opened my eyes to see Kate kneeling beside me - still naked, of course, that was the rule, with a small plate of the food she had prepared earlier.

"I thought you might enjoy a plate being made for you," she said, handing it to me.

"Thanks!"

It was a mark of how entirely sexually exhausted I was that I was more attracted to the plate of food Kate was handing me than her full, nude breasts swaying behind it. Kate got up, and brought herself a plate, tucking herself next to me as I sat up to munch on the delicious food. Alena positioned herself next to Kate, a plate also in hand. We ate mostly in companionable silence, dedicated to the food that we all desperately needed. When we had finished dinner we stayed on the couch, watching some banal nonsense on the TV and mostly talking over it.

Our positions on the couch rotated as folks got up to get food or drinks, go to the bathroom and so on. Nothing much happened until near ten o'clock, when we were all watching a re-run of The Office. I was sitting up, Kate was laying down using my thigh as a pillow, and Alena was sitting up with her legs tucked under Kate's. We had a blanket over all of us.

The first thing that I noticed was Kate's mouth opening, and her breathing start to get a little bit faster. I glanced down and Alena had her eyes fixed to the TV, but a kind of smirking grin on her face, and I could see a hand moving slightly under the blankets. I stroked Kate's hair and leaned down and whispered to her:

"Alena's not breaking her own rules, is she? Not giving that desperate little pussy something it doesn't deserve?"

"No," Alena interrupted just as Kate was about to reply, "I'm just seeing if maybe this plug could be positioned slightly differently."

Kate shifted and started pushing herself back onto the plug. Her hands slid up the inside of my thigh and started gently cupping and squeezing my balls, playing with the skin. I felt my cock start to harden as Kate made little noises of pleasure as Alena fucked her ass with the plug. Kate moved her hand onto my hardening cock and just gripped it as she started breathing faster.

"I thought you said you couldn't cum from anal?" I teased her.

"I usually can't, something about today has me desperate."

She started stroking my cock, but honestly the skin was so sensitive from all the fucking in the past day that I had to grab her by the wrist to stop her. I reached down and cupped her breast, slowly circling my finger inwards until I brushed her nipple, then starting over, giving her a good firm squeeze from time to time.

Kate was clearly getting very worked up, now actively writhing her legs together, I think trying to give her denied cunt any amount of sensation she could. My cock was now fully hard, and Kate's face brushed against it each time Alena pushed the plug back into her. The blanket had fallen to the ground and my and Alena's eyes were locked on Kate's body, the soft curve of her breasts and hips, the tinniest jiggle of her belly each time she moved.

"Kate, I think you're neglecting your duty as fluffer," Alena instructed, "look at how swollen your poor brother has gotten with no attention."

Kate shifted position, propping herself on her elbows and no longer laying on her side, and took my cock into her mouth. The pressure of her tongue on my cock felt amazing, and I could now see Alena's hand between Kate's cheeks, toying with the plug she had been wearing for hours at this point.

Abruptly, Alena shifted Kate onto her hands and knees, and got up, telling us to keep going and that she would be right back. Not wanting to deny Kate the stimulation, I ran my hand down her spine until I brushed down her crack, my fingers feeling the silicone of the plug she was wearing. I pressed it into her and felt, rather than heard, her moan on my cock. I gripped the base and pulled it out slightly before pushing it back in, and Kate responded by sucking my cock with more enthusiasm.

Alena came back in the room, her hands full of sex toys. I saw a dildo and some lube as well. I pulled my hand back from Kate's plug and took a handfull of her hair, enjoying the feeling of her head bobbing up and down, giving her gentle guidance as to the speed and position I was most enjoying.

"You know, she's been practising deep-throating." Alena told me. "You can see how good she's gotten. Push her head down."

Kate slowed down and stilled, her tongue still gently swirling around the head of my cock, but not moving up and down any more. I gripped the hair on her head harder, giving it a little tug, and was rewarded with a moan. I pushed her down until I felt her throat barrier, and held her there for a second before bringing her up and off my cock completely to let her take a breath.

"No need to be so gentle," Alena encouraged, "she can take it. And she actually quite likes it when you make her gag once or twice."

Needing no more encouragement, I gripped Kate's hair even harder and pushed her back down on my cock, slowly at first, but then when I felt her throat barrier again I pushed a little harder, forcing past it and pushing her face down to my balls. I felt her lips open slightly and some of her drool drip down onto my balls, then brought her back up, before pushing her down again for longer this time. I felt a spasm as she gagged once on my cock, and I brought her up for a brief break.

"Are you okay?" I asked.

"Yes, more," she said desperately, diving back down onto my cock. At this point I was just fucking her face, using it, trusting she could tell me if she couldn't take it. I enjoyed feeling her saliva run down my shaft and my balls, hearing the little gasping breaths she took when given a moment, and feeling the moans of pleasure from whatever Alena was doing to her ass.

"Alright," Alena said, reaching up and taking Kate's hair from my hand and pulling her head off my cock, "I think that's enough of that for now. We can't have your brother wasting his precious cum down that worthless little throat, can we dear?" Kate only whimpered in reply. "I think it's time for you to do your job, put on a little show for us while your brother breeds a cunt that's actually good for something."

I had seen a bit of Alena's dom side before, but was surprised how firm she was. Kate instantly obeyed, giving me a quick kiss before jumping up and pulling a chair from the corner of the room. Her eyes were red and running from the throat fucking she had just gotten. As Kate positioned herself on the arm chair in front of us, Alena slid over to me, straddling me with her back to my front, so we could both get a view of the show Kate was going to put on for us.

"What do you think? Do you have another load for me?" Alena asked.

"I'll do my best," was my honest reply.

Alena slowly lowered herself down onto my cock, until she was essentially sitting on me in reverse-cowgirl, but I was sitting up with my back propped up by the couch. I gently moved her to the side so she was off at an angle so I could see what Kate was doing.

Kate had gotten the plug out of her ass, and was slowly working a dildo back into it, her face buried into the top of the armchair. I could see the grool literally dripping from her lips, and I'm not sure I had ever seen her pussy so puffy and swollen. Her inner labia were plastered wide with wetness and it was all I could do not to push Alena off of me and push my cock into that inviting hole.

Alena started grinding herself on me as Kate worked the head of the dildo into her ass. The dildo she was using was green, and actually looked about the size of my cock. That thought turned me on. Maybe she had picked it because it reminded her of me. Maybe she was fucking herself, remembering how my cock felt in her ass.

Kate was putting on an amazing show. She slowly worked the dildo in and out of her ass, moaning, occasionally looking back at us, clenching her cheeks together and biting her lips. But it was just wasn't working. I had cum so many times, and I didn't feel the usual build up. I told Alena and she tried shifting things around, going slower or faster, squeezing my cock with her kegals, even reaching down and toying with my balls, but none of it was working. I was just running on empty.

As I was considering calling the quits, Alena leaned back so her mouth was close to my ear.

"I bet you would have cum for that pussy," she whispered, before looking pointedly back at Kate. I felt my cock twitch inside of her, and I'm sure Alena felt it too, because she added "What do you think, do you think your big sister's cunt could pull that cum out of you when mine can't?"

"Yes," I managed to grunt, now finally feeling that build that meant I might be able to cum.

"Do you think you have the willpower to pull out if it? It's your sister's cunt and it's unprotected, we can't have you spilling your seed in it."

"Are you serious?" I choked out. I wouldn't let myself hope, but I answered anyways. "Yes. I could pull out." Alena was bucking on my cock and I felt the build up coming, but I wasn't quite there yet.

"Okay," Alena said, hopping off of my cock. "Here's what we're going to do."

She laid down on the couch on her back and directed Kate to get on top of her, their legs intertwined. Once they were in position she directed me behind Kate, kneeling on the couch, my dick inches from her swollen hole. Alena told me to push the dildo back into Kate's ass, which I did, burying it to the flared base.

"Now Kate," Alena said, "I'm being nice to you. I'm taking away your pussy denial. Your brother is going to play with your pussy a bit. Just relax, enjoy. We've talked about it and it's all going to be okay." Kate looked back at me, bit her lips, and nodded.

Now, I wish I was a better person. I wish I had paused, forced all of us to have a real discussion about what this would mean. About the risks involved, and whether it was worth it. Made sure we were all happy to do this even when our brains weren't hopped up on desperation and horniness.

But I didn't have that in me.

I took one look at the almost heart shape made by hear spread, wet, inner labia, and I positioned my cock on her entrance. I took her by the hips, and I pushed in.

The feeling was unimaginable. Kate's pussy was velvety softness, burning warmth, enveloping pleasure. I buried myself to the hilt on the first thrust, and heard my sister gasp through the kiss she was sharing with her wife. I couldn't control myself. I pulled her onto me again, and started thrusting hard and fast right from the beginning. I was a desperate animal, and I was experiencing the most pleasure I had ever felt in my life. My hips pushed the dildo into Kate's ass with each thrust, and I felt my balls stick to her clit with her wetness each time I pulled out. Kate was trembling and gasping, making no sounds more coherent than a desperate breath. She buried her face into her wife, moaning, then looked back at me. I'll have that image in my head until the day I die: my sister's face, flushed with pleasure, moist with sweat, her hair a messy tangle, and her ass cheeks pressed deep against my pelvis, my cock buried in her to the hilt.

The orgasm caught me completely by surprise. I lasted maybe thirty desperate seconds in my sister, and I don't know what exactly pushed me over the edge. All I know was that I wasn't close, and then I was dangerously barreling over the edge. I pulled my cock out of Kate and slammed it into Alena, feeling her tighter and more textured pussy grip me as I spurt and spurt and spurt, more than I could have ever imagined I still had. Kate collapsed on top of her wife, who hooked her legs behind me to hold on as I filled her.

We stayed like that for a minute or so, gently letting ourselves come to our senses. It was Kate who finally broke the silence.

JHErotica
JHErotica
801 Followers
12