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"Hey honey, where's your sister?" My mom asked leaning her head into my room as I sat back on my bed, thinking about this afternoon.
My mom and sister looked a lot alike. Mom was a bit heavier but still in great shape for her 37 years. Her shoulder length hair was darker than my sister's short bob-cut sandy blonde was, but both were petite and very pretty with smallish breasts.
"Hi mom, I think I heard her in the shower." I said and was glad I could give an honest answer. Ironically, the biggest regret I had about my encounter with Julie was deceiving mom about it. We were a close family (even before this afternoon) especially since our dad had run out on us after Julie was born.
Mom didn't talk about that early part of her life much. We deduced from family gossip and from doing the math with regard to my birthday and our parents wedding day that their's had been a marriage of convenience after she got pregnant with me at a young age. Beyond that, we just knew that dad left her when he found out that Julie was on the way.
"So what did you two do today while I was shopping with your Aunt Megan?" she asked with a half smile on her lips. The way she said it almost had me thinking she knew what we did, then I quickly dismissed the thought; no way would she be this calm about it.
Well mom, I sucked Julie's beautiful tits until she came, then she blew me and I shot my load in her mouth. Did I mention she swallowed every drop? "Well I got the front yard mowed and did some studying." I answered again truthfully albeit partially. Julie saved me from any more questions though as her voice came from the hall.
"Hi mom," My sister said as she suddenly appeared in my doorway for the second time today. She had on her bathrobe and her hair hung over her forehead in half-dried strings. She approached mom from the side and leaned in to kiss her cheek. Mom pushed her soft cheek out to accept her daughter's lips - the same ones that had been wrapped around my dick only a few minutes before; I couldn't help but note. Julie's mouth came away with a smack and I saw she left moisture on mom's face.
"Ooops!" Julie said as she wiped the excess from mom's cheek. "That was a wet one, sorry mom!"
"That's ok dear," she said smiling as she brought her hand to the spot where Julie kissed her, "we're family."
"Hey, didn't you tell me Julie was adopted mom?"
"You see how he is?" Julie pleaded to our mother, "and I was even being nice to him today." She said turning her head slightly so mom would not see her eyes as she lowered her gaze to my crotch. "Very nice." She concluded, and raised her eyes back up to mine to give me a wink. The teasing wench was definitely enjoying the hell out of this.
"Ok you two, enough of that now." Mom said in mock reproach. Mom knew that Julie and I liked to play the sibling rivalry game but had not really fought since we were small kids. Mom still liked to be the peacemaker though, and the exchange between us had the comfort of the familiar.
Mom looked at Julie with folded arms. "Now go give your brother a kiss and make up."