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You are here: Home / Adult sex stories / My sis is irresistible – HornyHornyHippo

My sis is irresistible – HornyHornyHippo

Adult story Editor May 5, 2019 Leave a Comment

Incest story: My sis is irresistible. Author: HornyHornyHippo. Let me introduce myself, my name is Tyler and I am 18. I live with my mother (Nancy) and my sister (Stephanie) and we live in Washington. My sister and I have both gone to public school our entire lives. The author is including of Fiction, Incest theme.

Incest story: My sis is irresistible – Chap 1

Author: HornyHornyHippo

Another day

All through high school my sister and I have been a grade apart and that has made a few things a little hard on me when it comes to her.

You see, she is very popular and every guy in school wants to be seen with her. She is 18 years old is 5″4″ and weighs about 110 pounds sopping wet. But by far the two things that all my friends and the other guys mention is her tits and ass. Even being her brother I agree that they are nice but try and advert my eyes when ever possible.

My mom on the other hand, well she is pretty much the same but all my friends call her a milf. I guess that is true because I have gotten a few erections from seeing her in a bikini or even one or two of her pantsuits. But she is a hard worker and has done everything she can to provide for my sister and I over the years since dad left.

She leaves in the morning and travels into Seattle, coming home around 5:30 to make dinner and talk with us kids about our days. She is a great mom, we have never done without.

Now where this story starts is just as school was getting out after my senior year. It was a great week or two of parties and drinking and laying out by the beach. Getting out of school early has its perks.

Just as my sister is getting ready to go to school, I was coming home from where ever I was the night before. Sure my mom wasn”t too happy about the staying out all night and the drinking. But she was glad that I wasn”t driving after getting drunk. So this continued right up untill I graduated and walked for my diploma.

Incest sex story: My sis is irresistible. Author: HornyHornyHippo

Incest story: My sis is irresistible. Author: HornyHornyHippo

After graduation and my sister ending her school year, it was common for her to bring friends around the house and lay out by the pool. Luckily for my mother, we aren”t like normal siblings, we get along pretty well. The way I look at it, if I keep her on my good side, I can watch all her friends prance around in their skimpy bikini”s. And today was no different.

She had a few of her friends over, but there was only one that I really liked to look at. Her name is Carly and she is pretty much a wet dream come true. She has giant tits, a cute face and a great personality. She is always joking and talking and having fun and I can”t help but think that she has some kind of interest in me.

As the day starts out Stephanie and Carly and her friends are all hanging out around the pool and I took my sweet time sleeping in and getting dressed. Mom had left a list of a few things that needed to be done before she got home. It included simple things like mowing the yard and cleaning a few windows. So I started on the windows first because I knew I wouldn”t do them if I didn”t do them first.

I know I get lazy and so I plan for it. I was halfway done with the windows when it was starting to get hot out so I took off my shirt. Now I don”t want to be vain, but I look good and I have worked hard at the gym to get that way. As I was reaching down to rewet the rag I noticed Carly and a couple friends looking over. I cracked a little smile as I finished the windows and rinsed them off.

As I walked accross the yard to put things away and grab the lawn mower, I couldn”t help but notice Carly, god she is hot. She caught me looking and smiled as she got up and walked over to the pool. The others followed suit and got in the water with her. Stephanie was the last one and as she walked over she looked at me and stopped. She saw me looking at all of her friends.

“You pig!” She said playfully.

“Hey…what can I say, I am a guy and I like to obserce poetry in motion” It was hard not to laugh after that bull shit line.

“You are full of shit, get to work!” She said as she jumped in and tried to splash me.

I walked over to the shed and grabbed the mower and got to work. It took me a little over a hour to finish the yard, but it seemed like it took an entire year seeing as how I had to watch the girls frolicking in the water.

It is amazing how hard my cock can get just watching the girls picking each other up and grabbing each other in a purely non sexual way. After I finished the yard, I put everything away and I went in the house to get some water. As I walk through the door I hear the phone ringing.

“Hello?”

“Tyler its me, did you get your chores done?” Mom always has to ask the boreing questions first.

“Yes mom, I got them all done, I actually just finished. Just came in the house to get some water.”

“Well I am calling to let you and your sister know that I won”t be coming home till tomorrow. Your aunt Lisa called and invited me over for a girls night. Do you think you and your sister can leave the house standing after one night alone?”

“I think we can do that. Is it okay if we have friends over?” Anytime mom isn”t home is an oppertunity to have a party.

“Yes, but only a couple and clean up after yourselves.”

“Okay we will mom have fun.” As I hang up the phone I chug the glass of water I grabbed and head out to the back yard.

“Hey Stephanie, mom”s not gonna be home till tomorrow and we can have some friends over.”

All the girls started screaming and jumping up and down in the water. It was hotter than hell now that I had been working all afternoon and I decided to jump in. Screw a swim suit, I just took off my shoes and jumped into the water in what I was wearing. A few of the girls laughed and others screamed playfully and swam away from me.

I swam after them and picked them up and threw them or dunked them. As I was swimming after Stephanie, I felt someone on my back I tried to turn and see who it was but next thing I knew, all the girls were jumping on my back and pushing me under the water.

After they got off me I came up for air and they were all getting out of the water. I just stood in the water to hide the erection I got as a result of feeling all those girls tits and bodies on me and as I now watched them get out of the water. We didn”t have any towels down by the pool so all the girls were climbing out and the water cascaded off their bodies. Even though it was warm outside, all the girls nipples were getting hard. My sister turned back and saw me just standing in the water.

“What are you waiting for? All the girls left, I don”t get why you would still be in the water. Unless maybe there is something that you are trying to hide from everyone…?” She let the last part trail off as it grabbed the attention and peaked the interest of her friends. They all turned to look at me.

“Well wouldn”t you like to know sis? Hate to say it but your body just doesn”t do it for me…?” Trying to be a smartass I also realized how it came out. She looked at me for a second I could tell she is formulating a response.

“Well, if that truly is the case, why don”t you step out of the water and prove that my body hasn”t done a thing…” As she says it she coyly plays with her suit top rolling her tits around and tweaking a nipple.

All of her friends are standing and watching, wondering which on of us will back down first. I slowly made my way over to the side of the pool as they watched and pulled myself up out of the water. As I stand up I am facing away from them and I can clearly see my cock pressing and straining to get out of the shorts I am wearing.

“What are you waiting for…Chicken? Is your cock all shrivled and small?” She is trying to goat me into it, but I just smile and turn around and walk towards her. I hear one of the girls not quite gasp but close to as I turn and they could see the outline of my cock. It is 8.5″ and thick and I have never had any complaints and I can already tell there weren”t going to be any now.

Stephanie”s eyes were glued to my cock and her mouth had drooped open. I looked over at her friends and they too had started to stare. I reached down and adjusted my cock, grabbing it to show how thick it really is. I start to walk past my sister toward the house and stop.

“God don”t you feel silly now, trying to embarass me and now your wondering what it would be like ot fuck me and feel my cock in your pussy…” I slowly whisper in her ear and smile as I walk into the house.

It isn”t untill I am upstairs in the bathroom about to get into the shower when I hear them enter the house. they are probably cooking something to eat because I hear the pots and pans clanking as I dip my head under the shower. My cock is almost painful its so thick and full of blood. God I can”t help but think about all the girls downstairs. I don”t normally find them the focus of my masturbatory fantasies but today is different.

I can”t not think about Carly and her tits, the way they bounce and god how good they felt on my back. I assume that she was the one that jumped me. As I think about those tits of hers and how great it would be to slowly peel away her top and suck on her nipples, I start to grab my cock. Nothing fast, but a good speed that maximizes contact and massages the precum that is forming all over for a good amount of lube.

I start to really get into it and can almost taste her skin in my mouth when all of a sudden, my sister pops into my head. The way she was mesmerized by my cock and the way she couldn”t look away, oh how good it would be to feel her body against mine, or holding her ass cheeks in my hands as I slam my cock into her.

“Oh Stephanie” I moan, knowing its wrong but wanting it just the same.

Just as the words escape my lips i hear a gasp. I open my eyes and open the curtain to the shower and there is Carly. Fuck, she had to have heard me and she had to have guessed what I was doing.

“Carly, I..um…I…I don”t..um..” I can”t think of anything to say. My mind is reeling. Why is she in here? How long has she been here? What is going on!!!

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My sis is irresistible – Chap 2

Adult story Editor December 26, 2015 Leave a Comment

Incest story: My sis is irresistible – Chap 2

Author: HornyHornyHippo

The antics continue.

After Carly left, I laid there trying to figure out what just happend and where it was going to go. Carly was and still is an ultimate wet dream come true and I still couldn”t believe I just fucked her in and out of the shower. Her pussy was amazingly tight and she could controll it to squeeze and milk my cock. Her tits were milky and soft all at the same time as being firm.

Her nipples tasted amazing and when played with just right, they would grow to be oversized erasers. And her ability to deepthroat was amazing, and the fact that she learned it from my sister, who I just found out is bisexual. Can you say oh my god, and then she dropped the major bomb, she wants to see me and Stephanie get it on! Holy Shit!

Anyway, I knew there was going to be hell to pay when I got downstairs, there is no way that anyone missed the fact that Carly and I were both missing for almost an hour and a half. So I pulled on some boxers and a pair of shorts, picked a nice casual button up and made my way downstairs. Just as I reached the top of the stairs though, Carly was there and walked with me. When we reached the kitchen the mocking started.

“Look who decided to finally join us…” Michelle stated coyly.

“Where have you two been?” Mellissa inquired.

“Just where the hell have you been?” Stephanie directed that one at me.

“Well you girls didn”t expect me to leave his delicious cock all alone. After his little display today I was horny as all hell and so I got me a taste of it and a ride on it.” I was just as shocked by her statement as everyone else in the room.

My sister shot a look that could have killed if it were possible. I know I just fucked one of her best friends but honsetly I didn”t know she was her lover untill after, but I knew she would never believe me.

But that wasn”t something to worry about right now, right now I was more concerned about the semi-party we were going to be throwing later. I needed to find out who all Stephanie was inviting so that I could make sure to optimize the guys that I invited. Honestly I didn”t think I would be spending much time with the group, if all things went well, I would be spending the majority of my time with Carly hidden in my room.

“Stephanie, who all are you going to invite tonight?” Hoping for the best.

“Well, besides people that are here I don”t know let me think.” She pulled out her cell phone and started flipping through it. “I think I will invite Melany, Tori, and Beth.”

“Okay, I will invite a few guys over. Any requests ladies?” As I looked around a few of the girls laughed. “I guess I will invite Tom, Steven, Hank and Roger. Does that work for you Steph?” She hates it when I call her Steph, but it was a slip of the tongue. She always thinks that I am talking down to her because she is younger. “Sorry it was an accident. Does that work for you? What time do you wanna start? Should we grill up some food?”

“It”s okay, we could have everyone come over by eight and yes we should grill up some food.” She looked a little dejected and hurt. But I would worry about that later. “I will make a quick run to the store to get some grillables and we can get everything set up.” She took off with Michelle to get changed because they were the only two still in swim suits.

Carly came up to me and took my hand. “Hey you.”

“Hey yourself.” I replied with a smile. “What”s up?”

“I think Stephanie is mad at me. She won”t talk to me.” Now Carly was the one that was sounding upset. I know that for starters we haven”t been dating or even flirting very long for that matter, but I have liked her for a while and I couldn”t help but try and make her feel better.

“She isn”t mad at you. She is mad at me. I think it hurt her feelings that you and I fucked around, especially since you are a lover of hers.”

“But we don”t do anything but fool around when neither of us can get dates. And she has told me tons of times that she doesn”t want to date a girl.”

“Well I don”t know what to tell you then. I am sure you will find a way to make her feel better. And it shouldn”t be too hard to do it since she will be drinking tonight.”

Carly knew I had a point. “I guess you are right. It will work itself out. Hey you wanna go for a walk?”

“Sure.”

I took her out back and we headed toward the back gate, behind our property there is an entrance to the trails that weave through the woods behind our house. As we took off with no real direction in mind we didn”t say much for a while. We walked along and saw the streams and stopped at a few of the flowers untill we came to a waterfall that I never knew was there. Which in one way was really cool, but it also meant that I had no idea where we were. But I would worry about that later because right now all I cared about was the fact that I had an amazing girl with me.

“God its so beautiful here.” Carly was staring up at the waterfall in amazement. It wasn”t tall but it was tall enough for a person or two to stand under and have some fun cooling off in the water.

“Yea, come with me.” I led her over to the edge of the water and turned and kissed her as I slowly pulled her shirt up over her head. I kissed my way down to her chest. I reached around and undid the clasp encasing her beautiful tits. As the bra fell to the ground she slowly started kissing my neck and undoing the buttons on my shirt one by one. Afterwich she slowly let if fall off my shoulders. We helped eachother out of our shorts and took off our shoes. She playfully leaned down and kissed the head of my cock.

“Hey, you need to calm down and wait a little bit.” I smiled at her and she returned with one of her own.

“Well fine then…no pondside blowjob for you.” She giggled as I picked her up. “Now who needs to slow down?”

“Oh, this won”t be sexual…” She got a little bit of a concerned look on her face. She wrapped her legs around me and I ran out into the water and fell into the deeper part. It was freezing cold. Carly came up screaming out of surprise. “Quite…or you might lead someone to our spot.”

We swam out to the waterfall. Even though it was only ten or so feet high, it was still beautiful. I went under the water and she followed me. I pulled her close as the water cascaded down the rocks and onto our bodies. I pulled her in and we kissed feverishly and then she dipped below the water and I had no idea where she went. I looked around and searched for her.

When I finally found her she had swam over to the edge of the pond and climbed out onto the rocks. She was sitting upon a large flat rock in the sun. I swam over and climbed out and joined her. We started kissing again and got lost in the moment. It wasn”t untill my cell phone started ringing on the other side of the pond that we realized that we were going to be running late if we didn”t get dressed. Luckily the sun had all but dried us off as we were laying there. As we made our way back towards the house we talked things over.

“So.” I wasn”t sure how I was going to bring it up, but I wanted to know where she wanted this whole thing between us to go.

“So what?” She obviously wasn”t going to bring it up first so I just sucked it up and asked.

“What do you see happening between us?” All I could do is pray for the best now.

“I don”t know honestly. I am not one to normally fuck a guy just as benifits on the side, I have your sister for that remember. And besides, attatchment always ensues and then people get their feelings hurt.” She had a very valid point.

“Well I don”t know about you, but I have always kinda had a thing for you and I am extremely happy with what happened today, even if it won”t last.” It was almost as if a viel was lifted off her face. Any apprehension that was there because of the conversation had vanished.

“Well I am very happy that it did too because I have wanted you for a while but figured you wouldn”t want anything to do with me because of the fact that I was your sisters friend and younger than you. Most guys your age are after the college girls or one of those damn couger wanna be moms in the area.”

“Well I guess I am different. Now we can finish this conversation later, but what did you mean earlier about you think you have a way that you can get Stephanie and I together?”

“Well I think the idea is extremely hot. You two are the only ones that have ever made me cum as hard as I you did today or she did any of the times that we have fooled around. And honestly I think she would be into the idea, at least after what she did today when you made your cock visible to everyone. I personally know that each and everyone of those girls that were standing around the pool would have jumped your bones and fucked your brains out if I hadn”t gotten there first.”

“Really?”

“Yea, there has always been a mystery about you since we have all been hanging out with Stephanie. You have always been the target, but everyone was worried about what would happen with Stephanie.”

“Why weren”t you today?”

“I don”t know. I think I was just cock hungry and you gave me something to feast my eyes on and it just drove me crazy and I knew I had to have it.”

“I guess that is a good enough answer. Now back to how the whole thing with my sister will work? Not that I am not happy with you, but lets just say you planted a seed of curiousity that is blooming.”

“Well I was thinking about it. And I figured out a way that first of all I would be able to make it up to her and make her feel better about the whole situation earlier. I figure that I would wait untill she is drunk later tonight, because her inhibitions will be lowered, and then I would take her up to her room and try and have some fun with her.

I know that because she will be drunk she will be all mine to have some fun with. Now leave to me the whole getting her to want to fool around with you and just know that I will be able to do it. As long as I get to watch and have some fun.” She got all serious and intent with the last little bit but that was fine with me.

“What do you need me to do?”

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