I am Jack. I came home from college during a week long break and I saw something that changed my life.
I wasn't supposed to be here on Friday evening, I was supposed to take a bus on Saturday morning and reach home mid-afternoon. But I friend who was going my way offered me lift till the highway stop just ten kilometers from my town and I hopped in to his jalopy. It was a fast ride, it was just after nine when I reached home, I had my own key still from the old days when I lived here I opened the door and went in.
I saw that the living room lights were off, an indication that either there was no one home or already in bed. It seemed a tad early to be in bed for a Friday night so I guessed there was no one home. I walked up the stairs, my duffel bag in hand and passed my mother's room. The door was slightly open, as I walked to my room a couple of doors away I heard a moan and in unmistakably my mother's voice. "Oh Liza I am coming, baby, oh yes!"
Liza was my eighteen year old kid sister. But the sentence seemed so incongruous that I first though I heard it wrong, even if I heard it at all. I tip toed to the door and peeped in. There was a sight made for horny nineteen year olds. My mother was spread-eagled her legs apart and knees up and naked. My sister, her butt raised up alluringly, her head buried in my mother's pussy was lapping away. I could even see the half open lips of the cleanly shaved pussy of my sister.
I don't have to mention it but I had a raging hardon by now. I decided that if the two could do it together, they would mind a third joining in. Obviously incest was not a taboo to my family. I knocked at the door. Liza jumped from her pussy licking and tried to hunt for cover to hide herself and her rather beautiful melons from my prying eyes.
My mother was paralyzed in shock. I looked at the place that had been previously hidden by my sister's head. A beautiful, bald pussy, all wet and the clitoris standing tall.
"Well, well, well." I said sitting on the edge of bed. My sister had found a pillow and was holding it hugging to herself. I reached forward and pulled it from her. "There is no need for shyness now, is there. How long has this been going on?"
My mother at last found her voice and movement. She got up into a reclining position and still not trying to hide anything or even bring her legs together.
"It had to happen, don't you think? We wanted you to be a part of it, but were afraid to ask."
"Afraid to ask? Why afraid to ask a horny teenager who has gone to bed after imagining you and shagging off? But since it is out in the open what do you want to do with this horny son and brother?"
"What do you want, big bro?" My sister piped in.
"Now that is a good question Liz. I want you to go back to what you were doing and let me decide. I liked what I saw in that position." I grinned at her.
"Come on." I said seeing her hesitate. She went back to her licking mom's pussy. I sat there and held one of mom's huge tits and Liza's one tight one. One felt like a water balloon and the other like a ripe mango.
I noticed now that Liza had a nice design tattooed on her lower back. I removed my shirt and had my mothers palm running over my chest and hardening my nipples. I ripped my pants off and removed my boxers. Liza came up from mom's pussy to look. Her eyebrows raised appreciatively at what she saw. I took her one hand and placed it on my throbbing cock and let out a grunt as the feeling of her palm made me horny.