I received multiple messages throughout the night. I wasn't sure if they were coordinated or sent individually, but as the night wore on, they became more and more risqué.
We'd agreed that nothing that happened that night would be spoken of again. To their word, neither of the girls spoke directly about the events prior to their night out.
Emma sent me a hazily lit photo of a girl in a long red dress. "Reminds me of a one-piece on the ground" was her caption to the message.
Donna sent me a short video of the girls dancing to some house beats with incredible bass. "This music makes me tingle down below. You know what I mean." Was her text.
Imogen just sent random photos of girls she found attractive.
In the background, I could see that each of their boyfriends was at the same club. I didn't mind what they got up to as long as no one breathed a word about me being inside my sister earlier that night. I felt reassured as they were all implicated. I'd eaten out and then fucked Emma, albeit briefly and not nearly enough. I'd licked Donna's pussy and ass, as well as sprayed her with a load of cum that they were all responsible for me producing.
I'd had my cock sucked by Imogen as I'd eaten out Emma and my sister.
Then, of course, they had all watched as I drove my cock deep inside my sister.
As they were leaving, my sister had quietly said to me that we would fuck when they got back home, and that I could have any or none of her three friends join us.
I sat back in our house. Vacant at the time as our parents had gone to celebrate the new year with their friends in another city. I quietly congratulated myself. Not for the evening's conquests. Rather, I was congratulating myself on being honest with the girls, and with myself when I told them exactly how I felt about each of them.
That honesty had led to the circumstance where I was able to enjoy their company. Each of them is four years older than me. Each of them is stunningly attractive in their own way. Each of them was willing to put aside their own relationships to share a night with me and each other.
The offer as it sat--I didn't mind who came home. If none of them did, then that would be fine. I was not going to meddle with anyone's relationships.
I'd had a shower and relaxed with a couple of my own beers while flicking through various streaming services our family had in the house. Finding nothing of note, the curiosity got the better of me.
I grabbed my phone and flicked open our family 360 circle to see where everyone was. I laughed to myself as I saw that my parents were 28 hours drive away. "Thank fuck." I thought to myself as the thought of them seeing what had happened flashed fleetingly through my imagination.
My sister was at a small club in the city centre. It was a funky place, with good music and kind of reasonable drink prices, which was probably a fair reflection of the fact that our city has a large university to support the nightclub scene.
I hoped she was having a good night. I certainly had. Besides, I had no interest in going out with my mates. A night at home was just what I wanted.
Still feeling the southern hemisphere heat, I decided to head back to the pool for a cool-off. Given that there was no one home and it was nearing midnight, I felt comfortable enough to walk from the house to the pool with nothing on but a towel over one of my shoulders.
I strode to the pool and dropped my towel over the edge of the daybed at the end of the enclosure. Slipping into the water, it felt warmer than it had during the day. I guess the lower night-time temperature meant the same pool water temperature felt warmer.
I slipped my head under the water and enjoyed the cool embrace of the air on my wet skin as I came back up. I lingered in the water for a while. I started daydreaming about the events earlier that night.
My hand wandered below the surface and wrapped around my manliness. I gently pulled on my member as I thought about Emma's ass, Donna's pussy, and Imogen's tits.
I pulled on my dick as I thought about my sister's lips on my balls.
I stroked my cock as I thought about the tightness of my sister's ass.
I had to stop when I started thinking about the load that I had sprayed Donna with. I was getting too aroused.
Snapping back to the current, I waded to the stairs of our pool and stepped up to the deck. I strode confidently over to the daybed, with my now hard dick swinging in the cool air.
I grabbed my towel and dried off my face and hair, followed by my neck, chest, and shoulders. As I went to swing it behind me to dry off my back, it slipped and fell into the water. "Fuck!" I cursed myself.
Quickly reaching down, I fetched the towel from the water, but it was no use. Totally wet and unusable for its one job in life, I slung it over the edge of the pool fence to dry off.
Now totally naked with no protection at all, I had to walk to the house semi-wet and with a hard on to get another towel.
Halfway to the house, our doorbell rang out. "Ding DONG!" "Fuck!" I cursed myself again. This time half out of frustration at myself and half from the fear of some random neighbour or drunken mate knocking at the door.
I couldn't get to the door without being seen, as we have a clear three-inch-wide pane of glass installed that lets people see in, and our towels are kept on the far side of this freaking door.
Unable to get to the house, I turned on the spot and headed back to the safety of the darkened pool enclosure to see what eventuated. If it was my sister, then she had access and wouldn't need me. If it was someone else, then too fucking bad for them. I wasn't answering the door.
I slipped back into the deep end of the pool, hiding behind the towel I had just hung on the fence. Looking in through our back windows, I saw the door swing open.
A partially drunk sister walked in, followed by Emma and Donna who were obviously in a similar jovial mood. They pulled the door closed behind them but didn't latch it. I couldn't help but wonder what had happened to Imogen.
"Where are you, bro!" my sister called out, probably far too loud for our neighbourhood.
"Oi, are you awake!" Again, the volume was probably too loud.
Unable to respond, I kept quiet as I took in the sight of my sister and her two friends. Donna had on a short black skirt with a white button-up business shirt. The type that appears to have been tailor-made for that particular body. There was not a single crease of fabric that wasn't form-fitting. She had the top four buttons undone, exposing about three inches of her cleavage.
Emma had a pair of blue dress pants, matched with a pair of black high heel shoes and a lavender singlet top that leant some casualness to her outfit. Her pants clung to her ass like an angel sent from heaven to hold them in place. How she had an ass that hot was still a mystery to me.
My sister had a white, knee-length ruffled skirt that sat firmly over her ass but flared as it descended. She had on a black short sleeved business shirt, which she had buttoned all the way to the top, with the collar folded down. Her bust pushed the shirt out to a very pleasing level, and it sat very firmly on her waist -- obviously with a small amount of stretch in the design of the fabric.
She called out once more, before noticing that the back sliding door of our house was open. She made her way to the back of the house, almost sashaying as her hips swung as she walked.
"Are you out here?" She called to the dark abyss that was our backyard.
"Yeah--I'm in the pool," I replied.
"Oh right." She answered. "Why didn't you answer the door?"
