Peter Fucs Sister at & Aunt Delia
Incest/taboo Story

Peter Fucs Sister at & Aunt Delia

by Lovingfeeling23 18 min read 4.7 (39,900 views)
incest brother sister sex threesome
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Aunt Delia and I had stayed in touch after my first visit to her fabulous mansion last year. No one could have prepared me for the life-changing events that Delia made possible. The rumors were that our mandatory trip to the country when we turned 18 was to visit with a crazy old aunt. Well, Delia is neither crazy nor old.

Though she's in her forties, and older than my mom, she is an incredible beauty. She gently and lovingly introduced me to lesbian incest sex. Then she invited her brother, Uncle Nikolai to visit, and I gladly gave up my virginity to his wonderful cock.

Though sworn to secrecy, I confided in Mom what had happened. As it turned out, she too had slept with Nik and Delia. We ended up in a wonderful lesbian mother/daughter relationship of our own.

Delia said I could come back and visit her anytime. She even gave me an unlimited train ticket to help make it happen. Though I was now 19 and away at college, I couldn't resist paying her a visit over my break. She said my timing was perfect as my brother Peter was staying with her, during his 18-year-old trip.

What I didn't know was whether Delia had seduced Peter. Sometimes, Delia said, visits were just that - a good time in the country. As the train pulled into the station, I wondered what sort of brother I was going to find.

"Kat!" Aunt Delia called as my rideshare dropped me off at the giant gate that protected her estate. She opened the gate and rushed out to greet me.

"You could have let me know and I would have met you at the station!" Delia said, pulling me in for a hug.

"I wanted to surprise you," I said.

"And what a pleasant surprise it is," Delia said.

She squared my shoulders and leaned in for a kiss. This was no aunt and niece kiss either. Our lips met and immediately I felt her tongue push into my mouth. I felt intense pleasure rush through me as her tongue played over mine. Her hands reached my hips, pulled apart my cheeks and squeezed them.

"I've missed you so much!" Delia said as she broke off.

"I've missed that tongue in my mouth, and on other places!" I said.

"Ooh!" Delia said, taking my hand and leading me up the walk. "So naughty. I love it!"

"I understand Peter's here?" I asked as we neared the front door.

"Oh yes," Delia said, opening the door. "We've had a wonderful time."

"And by wonderful, do you mean...?"

Delia winked. "You'll just have to ask him."

"Kat!" Peter called out from the top of the stairs. "What're you doing here?"

"Hey Peter," I said, looking up. "Delia didn't tell you I was coming?"

"She said someone was," he said, coming down. "But not who."

We hugged, very brother and sisterly.

"Let me get your bag. Where's she staying?" Peter asked, making his way out the door.

"In the room next to you," Delia called out after him.

When Peter returned, the two of us headed upstairs. We walked by Delia's room, and it brought back memories of watching her masturbate and later having her eat out my pussy in her bed. Peter was staying across the hall from her, and I was in the next suite down.

Peter flopped my bag on the couch in my room and sat down next to it.

I sat on an easy chair across from him. "So... how's your trip been?" I asked.

"Um, it's been good," he said, a little too nonchalantly.

"You and Aunt Delia getting along okay? Found enough things to do?" I asked.

"Oh, yeah," Peter said. "Delia's great. Lots of fun things to do around here for sure. Have you seen the game room?"

I couldn't get a read on whether Peter had had sex with Aunt Delia. He seemed pretty much the same, maybe a bit calmer for some reason. And maybe more handsome. My sexual awakening, and the realization that our family was open to incestuous relationships, had changed my outlook even about my siblings.

Peter's 6'1" frame was very athletic. Brown hair cut short, a maturing face, big chest and muscular legs. I'd been surprised that he'd had only one girlfriend that I knew of. I wondered if he, like me, was a virgin at 18. He was very good looking. Something in his demeanor was different, though, although I couldn't say exactly how just yet.

"Hey, want to go for a swim?" I asked. "It's so hot and Delia has such a great pool."

"Sounds fun," Peter said. "Meet you down there."

Peter left and I closed the door, most of the way. Going into my bathroom I opened my bag and pulled out the very sexy suit Mom bought me.

I stripped off my clothes and admired myself in the mirror. At 5'5", I was quite a bit shorter than Peter, but the same height as Delia. I cupped my breasts which had grown larger in the past year. I even licked one of my nipples like I'd seen Delia do. It made it hard. My brown hair fell below my shoulders, but had a hairless pussy.

I put on the suit, which was a two-piece that tied around my neck. The top was very revealing and showed a great portion of my boobs. The bottoms were a tiny rectangle of fabric just big enough to cover my pussy lips.

I hesitated for a moment before going out. Was this appropriate to wear in front of my brother? Maybe I wanted to be a bit risquΓ© for Delia and, even for Peter?

Peter and Delia were already in the pool when I walked out. Delia was also wearing a very small suit that did little to hide her ample bosom. It made me wonder even more about what they'd maybe done with each other.

"Hey Kat, come on in!" Peter called out.

I stepped down into the cool water. It felt so good. Delia swam over to me and gave me a quick kiss. There was no tongue, but it lasted a bit longer than a plutonic aunt-like kiss would have. I looked over at Peter, who watched us.

"I've got to head to a meeting in town," Delia said, moving towards the steps. "I'll be back around dinner time. You and Kat can come up with something for us to eat, can't you?"

"Sure Delia," Peter said.

"No problem," I said.

We swam around a little bit. Peter was wearing board shorts, but I noticed how muscular his chest had become - and how much chest hair he had.

"What are you looking at?" he said.

"Oh! Nothing," I said, embarrassed.

"That's quite the suit," he said, eyeing me up and down. "Would Mom approve?"

Peter had no idea that Mom and I were having incredible lesbian sex, and lots of it, at my new apartment near school.

"Why not?" I said, looking down at my suit.

"Well, I guess you're right," Peter said. "You guys have gotten awfully close lately."

That was an odd remark. Had Peter suspected something?

"Peter, Mom was the one who bought me the suit," I said.

"There you go," Peter said, and swam off.

After swimming around for a while, I got out and laid down on one of the chaise lounges Delia had set up by the pool. Peter got out as well and took a lounge beside me.

I was a bit sleepy from the long train ride and must have dozed off a bit in the warm sun. I dreamt that Peter was stripping Aunt Delia, licking her erect nipples and her pussy while she sucked on his cock. Peter held out his massive dick and shoved it deep into Delia's cunt.

"Fuck me, Peter!" she cried out.

Suddenly, Delia screamed in delight as she came, and Peter pumped cum into her.

"You okay, Kat?" I head Peter say while thrusting his dick into Delia. "You okay?"

My eyes fluttered open. I sat up in shock.

"You were talking in your sleep," he said with a sly smile on his face.

"What was I saying?" I asked, fearing the worst.

"I couldn't really understand but it almost sounded like you were saying 'fuck me'."

"Shit!" I said. "Why would I say that?"

"No idea," Peter said and laid back down.

I looked down and noticed that my nipples were sticking up under my suit top. I wondered if Peter had noticed. I quickly got up and went inside, changing to a short summer dress.

Peter was waiting in the living room. He'd also changed into shorts and a t-shirt.

"I didn't mean to make you feel uncomfortable," Peter said as I sat beside him.

"It's okay," I said.

We sat silently for a few minutes.

"Hey Peter, remember when I got back from my trip here and you asked me, begged me, to tell you what happened?"

"Sure," Peter said. "And you wouldn't tell me, no matter how much I pleaded."

"Well, since we've both been here, do you think you'd be willing to tell me how it's been for you here - really been?"

Peter eyed me closely.

"I think I know what you want to find out," he said, with no discernable expression on his face.

"You do?"

"Yeah," Peter said. "You want to know if Delia and I have had sex."

I stared at him for a moment. "I guess so, Peter. That is what I want to know. So, did you?"

Peter paused, as if trying to decide how much to torture me. Then he smiled. "It was the most wonderful experience of my life," he said. "I can't think of anyone I'd rather have given my virginity to than her."

"Wow!" I said. "It was good, then."

"It was very very good!" Peter said. "So, how about you? Can you tell me now about your experience here?"

"I guess so," I said. "Delia and I had sex too, as well as me and Uncle Nikolai."

"Oh, fuck!" Peter said. "You fucked them both?"

"I did," I said. "And had the same wonderful experience with them both."

"So, neither one of us is a virgin anymore," Peter said.

I shook my head. "They were my first too."

"I'm glad we got that out in the open," Peter said.

"Me too," I said.

"Pretty strange family we've got, huh?" Peter said.

"I guess," I said. "But pretty wonderful too, that we can love each other like that."

"Mm hmm," Peter said.

We sat again without speaking for several minutes. Knowing that Peter had fucked Delia was very intriguing. I was really getting curious about what it had been like.

"Tell me about your dream," Peter said finally.

"Huh?" I said.

"Out there by the pool. You were talking in your sleep. You must have been dreaming."

"Oh!" I said. "Um, yeah, I was."

"What were you dreaming about?"

"I'm kind of embarrassed to tell you," I said.

"Try me," Peter said.

"Well, um, I dreamed that you were making love with Delia. That you, um, had put your cock up inside here and were pumping out cum into her pussy."

Peter's eyebrows raised. "Shit!" he said. "That was some dream!"

"I know," I said, looking down. "I probably shouldn't have been dreaming about that."

"Not that you could help it," Peter said. "Besides, it sounds very sexy."

"Oh yeah," I said. "Very graphic."

"Did I look good in it?" Peter said.

"Look good?" I said.

"My dick. Did it look good going in and out of Delia's pussy?"

I glanced down at Peter's crotch and noticed a distinct bulge.

"Well, I've never seen it, but it was magnificent in my dream," I said.

"I wonder if you'd think so in real life," Peter said, adjusting himself slightly.

"I wonder too," I said, now clearly flirting with my brother.

"Want to find out?" he said.

I smiled. This was unexpected but delightful. I was getting aroused by my own brother!

"Sure," I said.

Peter lifted his hips up and slid his shorts and underwear down in one move. His dick flapped out and sat straight as an arrow, sticking out from his body, hard and as big as in my dream.

"Wow!" I said. "It's beautiful."

"Want to touch it?" he said.

"You do know that would be incest, right?" I said.

"Yeah, like fucking your uncle," Peter said. "Guess that boat has sailed."

"It sure has," I said.

I reached over and grasped Peter's cock. It felt so hard and smooth. I stroked it with my hands, squeezing and rotating my hands around his stiff member.

"You know, this is only the second cock I've ever seen, or touched," I said.

"Mm," Peter said.

"I never thought I'd be doing this to my own brother's dick!"

"Me either," Peter said, staring at my hands. "But I'm so glad you aren't just thinking about it but doing it!"

"Want me to suck it, Peter?" I said.

"Oh, fuck yeah!" Peter said.

I kissed the soft head of his dick and licked around it. Peter moaned in response. I opened my mouth and let his cock slide into me, all the way down to the base.

"Oh, fuck!" Peter moaned.

I sucked in and pulled out, squeezing and rotating my hands around him. I sucked in about three inches and kept licking and sucking and squeezing and sucking and licking.

"Oh, shit, don't make me cum yet," Peter moaned.

I came off his dick. "Sorry about that, Peter," I said. "I do want you to cum but have another place in mind."

"You do?" Peter said, his eyebrows raised.

"Yeah. Aunt Delia won't be back for a while. I was thinking maybe we'd go up to my room. I want you to get to know your older sister better."

"Fuck yeah!" Peter said.

We got up and stood facing each other. I pulled Peter in and kissed him. This was no brotherly kiss either. He opened up his mouth and my tongue entered him. We made out and I kept stroking his dick.

He reached out and cupped my breasts.

"Oh yeah," I said, breaking off. "I like you touching me like that."

"We're really doing this, aren't we?" Peter said, squeezing my breasts.

"It seems like it," I said. "Are you wanting to go all the way?"

"You mean, do I want to fuck my sister?" Peter said. "I really do!"

"Shit!" I said and came in to kiss him again.

I backed away and pulled on his t-shirt. Peter lifted his arms, and I pulled it off. My brother was now totally naked before me. I ran my hands over his chest hair and kissed and licked his nipples.

"Mm!" he groaned.

We kissed again, sending our tongues into each other's mouths. I sucked in on his tongue and pulled on it.

"You've got too many clothes on," Peter said after we'd gotten into my room.

"I can take care of that, little brother," I said, pushing him back onto my bed.

I pulled my dress over my head. My black panties and bra were sheer, and I knew my hard nipples were visible through the fabric.

Peter stroked his cock while he watched me undress. I slowly pulled my panties down to reveal my shaved pussy. Peter followed my every move. I reached behind my back and undid my bra. My breasts fell out of the cups and my hard nipples stood straight out.

"You are fucking amazing!" Peter said.

I approached him. "Do you want to suck on my nipples?" I said, offering him a breast.

He took a nipple in his mouth and licked and sucked it.

"Mm!" I moaned, getting very aroused. "Suck my tits, Peter. Suck my tits!"

My hips began to move back and forth. I felt Peter's fingers touch my pussy and I shuddered. He moved his fingers up and down my slit.

"You're so wet already!" he said, coming off my nipple.

"I'm so fucking wet for you, I can't believe it. I want you to fuck me!"

I moved closer and put my crotch to his mouth.

"Oh yeah!" he said, kissing my bald mound.

"Lick me!" I said.

I felt Peter's tongue touch my labia and I jerked with pleasure. He stuck his tongue into my slit and lapped up my juices. Delia had taught him well. He sucked in on my clit and I felt pleasure course through my body. I began to move my crotch back and forth on his mouth.

"Oh, fuck yeah!" I moaned.

I pushed Peter back down on the bed and came up between his legs. I grabbed his cock and put it in my mouth, sucking and licking him and making him hard again.

"Ready to fuck your sister?" I said, turning over on my back and pulling Peter on top of me.

"I am so ready!" Peter said.

He laid his body on mine, and we kissed and made out. He moved lower and started sucking on my tits - licking around my areola, squeezing with his fingers, using his mouth to pull up on my nipples.

"Shit!" I moaned. "Do you do this to Delia too?"

"Mm hmm," Peter said without removing his mouth.

His hand went between my legs and his fingers entered me. I felt a tremendous surge of pleasure as he put his fingers in and out of me.

He pulled out his hand and offered it to my mouth. I eagerly sucked my juice off his fingers, and then we kissed again so I could spread juice to his mouth too.

Peter got up on his arms. I took his cock in my hand. It felt so stiff and yet the skin was so soft. I positioned the head against my pussy lips.

"Push inside me, Peter," I said.

He looked down and together we watched as he slowly entered my pussy.

"Ooh! You're really stretching me out!" I said as the head slipped in.

"Your pussy feels so good," Peter said, pushing in further, pulling out, then pushing back in.

I felt strong tingles in my crotch as I watched the final inches disappear inside me.

"Oh fuck!" I said. "I can't believe we're doing this, but it feels so good!"

"I know!" Peter said, picking up the pace - plunging in and pulling out, pushing in and bringing his cock out almost to the head before driving it back in.

I wrapped my legs around his hips and started moving my pelvis to match his rhythm.

Peter laid back on top of me and started moving faster in and out of my pussy. Every time he contacted my clit, I felt a tingle of pleasure, pleasure that was building with every stroke.

I held onto his shoulders as he fucked me. "Keep going, Peter," I moaned. "Don't stop. Don't stop!"

Every time he pushed in, I felt my pussy expand. The pressure his dick created edged me further to an orgasm. Peter raised himself up again and I opened my eyes. He was smiling at me and grimacing at the same time.

"Shit, Kat. It feels so good to fuck you!" he said.

I looked down and saw our crotches meet, his hairy covered and mine shaved. My juices glistened on his dick when he pulled out, which only turned me on even more - I was lubricating his cock - making it easy to slide in and out of my pussy.

"What should I do when I have to cum?" Peter asked, breathing hard.

I looked into his eyes, "I want your cock to explode in my pussy, Peter. It's safe. You can cum inside. I want you to cum inside me!"

My breathing picked up and I started making a "ha, ha, ha" sound as I exhaled. The pitch of my voice rose the closer I got to a climax.

"I'm going to cum, Peter," I gasped. "Cum with me. Please cum with me!"

Peter grunted and quickened his pace even more. Suddenly he pushed in deep and held his breath. I knew he was about to pump cum inside me. It brought me over the edge.

"Ah, ah, ah, AHHHHHH!" I cried out as the pleasure of my orgasm lit a fire inside me, spreading quickly over my entire body.

My pelvis rocked and spasmed as wave after wave of pleasure overtook me. I felt Peter's dick expand and contract and I felt a renewed pressure as his cum filled me up.

"Shit, I'm cumming!" he cried out. "Fuck!"

I opened my eyes when the orgasm began to subside, though I was filled with tingles all over and my pelvis continued to spasm slowly. Peter had his eyes closed as he continued to spurt jizz into my pussy.

"Oh, Kat!" he said, opening his eyes. "That felt so good!"

"I know!" I said, breathless. "It feels like you're still cumming inside me."

"I am," he said and clinched his dick a few more times.

He lowered his arms so we could kiss, our tongues finding each other. As we made out, I could feel his dick softening. When it slipped out, I felt a more pleasure flow from my crotch.

Peter rolled off. I sat up and bent over his dick, sucking it in and licking all the extra cum off his shaft.

"We didn't last very long, did we?" Peter asked, watching me suck him.

"I didn't think we would," I said, coming off his dick. "Too exciting. We'll last longer next time."

"So, you want there to be a next time?" Peter asked.

"I do if you do," I said, smiling.

"I sure do," Peter said, and pulled me up into another kiss.

We laid down facing each other, kissing, him fondling my breasts, me stroking his soft dick.

"It gets so much smaller," I said.

Peter laughed, "I hope so or I wouldn't be able to go to the bathroom! But give it some time and I could be ready to go again."

"I can't wait!" I said, already feeling aroused.

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