One hot summer night, I was awoken from a deep sleep by my mother's loud passion as the unmistakable sounds of masturbation were coming from deep within her bedroom. It was very late, and I'm sure she felt my sister, and I had long been asleep and could not hear her. I quietly made my way out into the dark hallway in my nightshirt and panties and proceeded to masturbate right along with her as I listened carefully through her door.
The next night, when I opened my bedroom door and saw my older sister Beth standing at our mom's doorway with her hand stuck down her panties, I was utterly shocked. But truth be told, I was headed out there to do the same thing again myself as I could hear my mom's deep, raspy moans and groans coming from within her bedroom again, just as the night before.
While Beth and I were very close and had shared many things in the past, this was reaching way out into seriously unchartered territory that neither of us would ever mention to one another voluntarily. I mean, after all, this wasn't just about us masturbating; it was about us masturbating right along with our very own mother for fucks sake!
But now it had suddenly become evident that she already knew all about our mom's late-night adventures just as well as I did. I watched closely as my big sister vigorously fingered herself right outside the door while mom moaned and groaned loudly from the other side just a few feet away. Beth was utterly oblivious to my presence, or so I thought then.
When she seemed to spasm all over, and her knees suddenly weakened and buckled beneath her at the far end of the dark hallway, I saw her suddenly glance in my direction, and her mouth fell open just as she reached her full climax. She slowly melted to the floor beneath her while withering in ecstasy. I quietly shut my door and slipped back to my bed, where I quickly stripped off my wet panties and found my hot throbbing clitoris. I was soon licking my sticky fingers clean as I drifted off to sleep after a rather intense orgasm of my own.
At nineteen years old, Beth was quite a "looker," as they say; she was a green-eyed, long-legged, freckled-faced, raven-haired beauty that immediately turned every head in any room she entered. Her nineteen years of growth had left her with a stunning, well-rounded body in all the right places, and she was precisely what all the young men called a "real hottie."
I had almost every reason to hate her, but as her eighteen-year-old baby sister Emma, I adored her entirely and seemed to look up to her more each day. She was my best friend in the whole wide world, and we shared everything from eye shadow to panties and razors and, of course, our deepest, darkest secrets.
I knew I could never intentionally hurt her in any way whatsoever and that I would never tell Mom what I had seen her doing that night outside her door. It would forever be our little secret, but I also knew that she didn't necessarily know that yet, so I figured I would maybe have a little fun with her for a bit before I finally let her off the hook and told her that her dirty little secret would always be safe with me.
She and I could have passed for twins; we had the same long, dark, straight black hair, green eyes, and freckles. She was just a little taller than me, and her tits were just slightly more filled out than mine, but that's pretty much it, except for a tiny little birthmark I had on my right cheek.
But as pretty as we may have thought the other one was, we both knew that our mom, Corrine, was the real natural beauty in the family. She had shoulder-length wavy jet-black hair and deep dark blue eyes with somewhat large perky tits that seemed to jut out from her chest like cone-shaped mounds of soft pillowy flesh. She was just a little bit heavier than Beth or me, but she carried the weight very well, and her wider hips and broader shapely ass jiggled invitingly as she pranced around and drew many a stare from anyone who may pass by. Beth and I had even noticed several women checking our mom out on many different occasions, and while I can't speak directly for Beth on the matter, I often found it quite stimulating.
Beth and I often joked with her and with one another while in her presence about how she put us both to shame in the looks department. She would just laugh at us and say we were both crazy, but it was obvious that even she knew she still looked perfect for a forty-year-old mother of two nearly grown teenage girls. She even flaunted it a bit on occasion, which Beth and I both found quite amusing most of the time.
The following morning, as we all three sat at the kitchen table over coffee and toast, Mom was her usual talkative self. Still, Beth seemed a little bit quieter than average and kept nervously shifting her eyes in my direction as if she desperately wanted to ask me something in private. After mom left for work, Beth just sat there glaring at me for a moment before she finally blurted out and asked, "You're not even going to say anything about it, are you?"
"About what?" I played dumb.
"Stop it, Emma, stop it right now; I know you saw me in the hallway last night," she softly wailed. I was a little shocked as I hadn't been sure she saw me standing in the dark watching her, and Beth only ever called me Emma when she was dead serious about something.
"Yeah, so what?" I asked while laughing at her. "I have seen you out in the hallway a few times before, you know?"
"Oh, please stop it, Emm. You know precisely what I'm talking about; I know very well that you watched me masturbate with Mom last night!
"Oh my god!" I played dumb again while pretending to choke and then spitting coffee everywhere, "I thought she was crying, and you were just checking up on her," I loudly blurted. "I was just about to ask you what was wrong with her; holy fuck Beth what in the hell do you mean you masturbated with her?" What in the fucking world does that even mean anyway?"
"Emm?"
"Yeah, Beth, what in the hell is it now?"
"You can stop your little fucking charade already, Emm; that's not the first time I was ever out there in the hallway at night, you know, and I just so happened to see you doing the very same thing just the night before last, now what do you have to say about that you stupid little winch?" she laughed aloud at her cleverly worded question.
At first, I laughed a little with her, but then I suddenly felt my advantage slip away and was replaced with red-hot embarrassment as I jumped up and ran to my room, partially covering my blushing crimson face as I exited. I could hear Beth laughing at me as I stumbled off and away from her as fast as I could.
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