As I wrote in my previous stories, my foxy 19-year-old sister, Amy, was staying at my house after breaking up with her boyfriend. She was taking her time about finding her own apartment as we were enjoying each other sexually for the past two months. My stacked blonde haired sister was draining my balls dry and I loved every minute of it. I just couldn't get enough of seeing, feeling and touching her superb sexy little hard body.

I’ll refresh the image of my sexy sister for the reader’s mind’s eye. Amy is about 5ft. 4inches tall, very curly sandy blonde shoulder length hair, weighs around 110 pounds and has measurements around 36C-23-35. Her ass is one of those perfect heart shaped butts however her boobs are her best asset. She has these very large nipples, which are like beacons begging to be sucked when she’s sexually aroused.

She’s always well tanned sporting some very sexy tan lines. Her body is very muscular and toned from working out several days a week. I really cannot find any flaw in her sweet little teenage body. No matter how I look at her, she gives me a massive hard-on, and she knows it.

By now it was getting hot out as it was June and summer was ready to begin. My landlady who lived next door has a beautiful in ground swimming pool, which we can use at any time. One hot Saturday night my sister's sexy friend, Audrey stopped over and we were all sipping a few beers. As the beers flowed down, we decided to hit the pool for a late night swim to cool off some.

“You girls into a late night swim.” I said as Amy turned to Audrey.

Amy said, “Audrey, I have an extra suit you can wear.” as they started to head for the stairs to Amy’s bedroom.

“I hope it’s not too small for me in the butt.” Audrey exclaimed as they both laughed since her butt was just a bit larger than my sexy sister’s.

I watched both girls swing their sexy butts as they walked up the stairs. My sister looked over her shoulder and smiled as she knew I was getting aroused again. Her body could always get me rock hard, but looking at the two of them, my 7 inch cock swelled and begged for release from the confines of my tight jeans. I rubbed the length of my hard shaft as my sister’s eyes widened. We were both so fucking hot for each other. We would now prance around the house nearly naked, we sleep together nearly every night, fucking like newlyweds. I was loving every minute of this sexy little living arrangement.

Let me tell you a little bit about Audrey, she is a sexy brunette, very slightly overweight, nice orange sized tits with a very exquisite shaped ass. Next to my sister Amy, she has one of the sexiest butts I've ever seen. It’s just a tad on the plump side but shaped very nice. I've imagined having sex with her many a time but nothing ever happened. I was even at a biker bash one time and got some photos of her in a wet t-shirt contest, which went a lot farther than a wet t-shirt, if you know what I mean. I think Audrey got third place only because she didn’t expose her pussy as much as the other two girls. Needless to say, she made my cock nice and hard whereas I had many a fantasy cum over her.

Amy and Audrey went up to Amy's room to put on their bathing suits. I hit the bathroom as I was swimming earlier in the day and my suit was drying. I waited in the kitchen as they came down the stairs, which was a sight to create an instant erection. My sister Amy had on this red, white & blue one piece that she knows drives me wild. Although it's a one piece, she looks extremely sexy in it as she removed all the liners. When the suit gets wet you can see her pussy right through the suit and those perfect breasts with her large pointy nipples just show through begging to be sucked. The top is blue with a red stripe across the midriff and the bottom is white from the waist down. God, my cock was instantly throbbing just looking at her in that suit.

“Man, you girls are looking hot tonight!” was all I could say, as my mouth was wide open.

Audrey was looking extremely hot too as she had on one of Amy's string bikinis. Her suit was white with blue horizontal stripes and the top was one of those adjustable kinds. She had her breasts mostly exposed but her nipples were just covered by the vertical strips of material. The bottom was adjusted very narrow in the front and rear. Audrey had a very nice tan too so with my sister’s suit, there were a few exposed sexy white tan lines. Her normal suit covered more of her sweet butt cheeks so I had an exquisite view of white butt flesh exposed from Amy’s skimpy little swim suit.

“How do you like my suit?” Audrey said as she did a spin to show me how she looked.

“I hope the water is cool because you two are going to heat it up! Wow!” I replied feeling my hard rod throbbing.

Amy not wanting to be left out said, “Hey, what about me?” as my sister gave a sexy pose too.

Next thing I knew they were both modeling their suits for me but when they both turned around a stuck their asses at me I nearly blew a load in my suit, what a sight to see. I had my towel across my lap hiding my fully erect 7-inch hard-on, but they knew the effect they were having on me judging by their laughter.

I got up from the kitchen table and said, “Ok, you guys ready.” as I tried to hide my erection somewhat with my towel. Amy grabbed a six pack as we went out the back door toward the pool.

We crossed the yard heading out to the pool, me following behind these two gorgeous teenage beauties. My sister knows that my sexual weakness is a tight sexy ass so she was swinging her butt nicely as I walked behind them. Audrey picked up on this and she started swinging her ass too. I was drooling as I watched their firm butts barely covered by the thin skimpy swimsuits they were wearing. God, my cock was so hard I could hardly walk.

We entered the pool and swam around a little, did some diving and eventually ended up all sitting on the steps drinking our beers. I could tell my sister Amy was feeling a little aroused, as her nipples were standing so erect you could balance a quarter on them. I was sitting in the middle with Amy on my left and Audrey on the right.

As I gazed upon their sexy wet bodies, their suits clinging to their soft tanned wet skin, my cock began to swell. It was so hot and humid, but the sexual excitement building up between us was so thick you could cut it with a knife. I wasn’t sure how Audrey would react to my sexual attractions to my sister, Amy, but it seemed these two were up to something.

Amy said, “Audrey, it looks like Ron is enjoying our company just a little too much.” pointing at my now fully erect throbbing cock which was clearly visible through my swimsuit.

“Damn Amy, looks like he’s got a nice sized hard-on. What in the world could have caused that?” Audrey replied giggling.

“I think we should tease him a little and give him a show, how about it Audrey?” Amy replied in a very sultry tone.

Audrey looked at Amy with a surprised look, which turned into a very sexy smile. The effects of the alcohol had us all aroused. Both these sexy ladies had very hard and erect nipples pushing through the fabric of their suits. My heart was pounding, wondering what my sexy little sister had in mind. She knew I found her best friend very hot but did she know about our incestuous relationship?

The next thing I knew, Audrey stood up in front of me looking directly in my eyes as she started to caress her tits through her swimsuit. I watched as Audrey’s fingers slid under the material and over her nipples, causing them to harden further and poke through the wet fabric. She rolled her nipples between her fingers, concealed all the while under her swimsuit top.

Amy took the hint, joining her as she stood up and they began kissing each other. I never imagined my sister with another woman until now. What a sexy sight to behold, seeing your sister’s tongue stuck in another girl’s mouth as they began to feverishly French kiss each other.

“Amy, you’re so fucking hot. Pull my nipples hard!” Audrey panted as her hands ran down my sister’s back to her firm ass.

Amy replied, “My pleasure, honey.” as she squeezed her nipples and rolled them between her fingers.

They were massaging each other’s breasts, running their hands down each other’s backs, cupping and gripping each other's soft ass cheeks. They were grinding their pussy mounds into each other’s legs, while I watched with my heart pounding with sexual excitement and my blood boiling with lust.

I couldn't take any more and had to release my cock so I slid my swimming trunks off. The girls saw my rigid cock sticking out of the water and couldn't resist the invitation. I just leaned back as, for the first time in my life, I had two beautiful women getting ready to suck my swollen shaft and the fact that one of them was my sister was an extreme sexual turn on.

My sister said, “What have we got here? as she positioned herself on my right side, sitting on the step next to me.

Audrey sat on my left side saying, “Looks light a midnight snack, hmmmm, or should I say a meal!” giving both girls a laugh.

I don’t have the longest cock but it’s very thick and the head is very large, especially at this point as it was purple and filled with blood. My cock was throbbing and begging for attention, as my sister Amy was the first to lower her head.

Amy cupped my cock in her soft lips as she ran up and down the sides of my shaft. Audrey worked on the head of my cock and eventually won out and took my entire length in her mouth. As she did, Amy was sucking on my balls, gently caressing them in her small hands all the while Audrey’s head was slowly bobbing up and down on my shaft.

Amy was coaching Audrey on, “Suck that cock baby, yeah that’s it, take it in deep! Feel good Ron?”

I just moaned, “Aaaahhhhhhhh yessssssssssss!”

I all but had to look away to not blow my load too fast. Audrey was real good at giving head, almost as good as my sister. She worked up and down real slow with excellent tongue movement. Her tongue swirled around in a way that was making my head spin. She would pull back, leaving just my swollen cock head between her lips, swirl her tongue around it, then glide back down its length again and again. God, she was sooooo good.

After a few minutes Amy said, “My turn honey, save some for me.” as my sister and Audrey switched positions.

“Hum me a tune Amy.” I said in eager anticipation.  

Amy took over on my shaft and guided my hard cock between her sexy pouting lips. My sister has a way of making a moaning sound when sucking cock that sends vibrations through your cock. As she works her head up and down, she has this way of getting it all in a rhythm which always sends me over the edge in nearly no time.

“I want to cum on your tits!” I groaned.

As I approached orgasm, she and Audrey both got their sexy breasts down near my cock as I exploded cum all over them. “Aaaaaahhhhh, fucking A!” I moaned.

I came with such force, a stream of hot cum shot up and hit Amy’s face, landing the corner of her lips and right cheek. They both laughed as my white hot cum kept shooting long streams all over their sexy tits. I never came so hard or long in my life. Five huge spurts of cum flew all over their sexy white tits. They both rubbed my cream, into their tits and began to lick it off each other, sucking each other's nipples with a vigorous lust. God, it was such a hot and sexy sight as my sister’s tongue rolled my cum over her best friend’s nipple, pulling both into her mouth.

After I caught my breath, I said “God, you girls are good. Audrey, it doesn’t bother you that Amy is my sister?” I asked.

Audrey said, “Well you know my brother Dave? He likes his cock sucked by his little sister too. Amy and I talked about doing something like this for weeks now.”

I looked at my sister Amy, who gave me a very hot erotic and sexy smile. To me, she’s the hottest chick on earth and now Audrey ranks a close second.

Both girls began to do a slow strip tease for me, shedding their suits in a very erotic manner. They both turned in unison and slid their swimsuits over their sexy asses, exposing two of the hottest naked butts imaginable. They slid their suits down those long sexy legs and kicking off their suits onto cement surrounding the pool. As they turned, I couldn’t help but compare each of their pussies, both very sexy in their own way. Both neatly trimmed but Amy with a small amount of light colored hair and Audrey with a fair amount of dark black hair.

Amy said, “Audrey, slide your butt onto that top step.” Audrey did as my sister Amy asked.

As Audrey sat on the top step, my sister and I got between her legs and went to work on her pussy. As I said, Audrey has this thick black pussy hair, which is very neatly trimmed for bikini season. Her pussy lips kind of stick out and her clit is very easy to find. We took turns sucking her pussy when Amy moved up to her breasts and I kept eating her pussy.

“Oh yessss Ronnie, suck my pussy!” Audrey exclaimed while she pushed her mound into my face.

The next thing I see is my sister's sweet ass hovering over Audrey's chin as Audrey was sucking Amy's pussy while I sucked hers, what a sight. As I brought Audrey to orgasm, she slowed eating Amy's pussy, arched her back and let out a mild scream as she came. “Ohhhhh my Goooooddddddddddd!”

As Audrey’s pleasure subsided, she said, “Your turn Amy. Spread those sexy legs wide for us!”

Amy sat on the top step and again I shared the pussy-eating role with a woman. I watched as Audrey showed me some new techniques on eating pussy, as obviously she wasn't going down on her first girl. She was doing so good by herself that I decided to move up to Amy's perfect breasts.

My sister Amy can have an orgasm with just the right amount of attention to her nipples. The combination of Audrey eating her pussy and me sucking her nipples, she reached an intense orgasm very quickly. Her body trembled in the throes of orgasmic pleasure as we got her off. “Aaaaaahhhhhhhh!” Amy panted as her hips twitched and shook with Audrey’s mouth still attached firmly to her pussy.

Man, that Audrey could suck pussy as good as any man, maybe better. Could this be why her and my sister were such good friends?

My cock was aching as it was again hard enough to put a hole in the pool wall. Both girls knew of my fetish for a woman’s butt so they both knelt over the steps and stuck their perfect asses out to me.

Amy looked over her shoulder and said, “How’s this look butt man?” as they both laughed.

“Go ahead, fuck us from behind!” exclaimed Audrey as she wiggled her ass at me.

“I’ve got to be dreaming!” I said as I took in the exquisite beauty of their perfect asses.

I could see both their pussy mounds from behind as I first got behind my sister and slowly entered her pussy. As I my cock slid forward into my sister’s pussy, I reached over to Audrey and caressed her pussy from behind. I slowly slid into my sister to the hilt and just stayed there a second while I worked two fingers in and out of Audrey’s pussy.

“Fuck me big brother, give me your hard cock!” my sister Amy cried out.

I drove my cock deep and hard into Amy’s pussy, her soft butt flesh hitting my thighs on each forward thrust. She moaned with pleasure as I rammed my shaft into her, again and again.

After a few minutes of pounding her tight pussy, Amy commanded, “Give Audrey some of that big cock of yours!”

I then moved over, slid behind Audrey and slowly entered her. She was shaking with lust as I fucked her real slow, with Amy's encouragement on how she liked it. As I fucked Audrey, Amy slid under her and was licking at my cock as it slowly went in and out of Audrey's pussy. I could feel Amy’s tongue touching my shaft as she licked Audrey’s clit.

This was too intense for...