SEX WITH MY STEPMOM (PART ONE)

I couldn't take it anymore. The sight of my sisters' tight ass sticking up in the air as she knelt between mom’s-soaked thighs was too much. I was listening to my mother gurgle her way through a mind-blowing orgasm, as my sister noisily swallowed her hot cream; I quickly shed my robe and climbed onto the bed behind my sisters jutting ass.

When I gripped my sister by the hips and lined my cock up with her dripping hole, she finally pulled her mouth away and looked over her shoulder at me. She had a look of fear and surprise written all over her face.

"What are you doing?" she gasped.

"I'm going to **** my sisters' cunt" I rumbled.

"No...you can't...I'm not... My sister tried to protest.

I heard nothing as my engorged head slipped between her swollen lips, and then I began to ease in inch by inch. Knowing she wasn't as experienced as mom; I took my time sliding in. God, was I glad I did, she was so fucking tight I wondered if she was a virgin, but I never hit a hymen as I seated myself fully into her.

"Oh ****...oh God...noooo" my sister babbled. "Gay...I'm gay, I don't do guys..." my sister grunted as my full eight inches sank home.

My ears registered her words, but my brain was in hormonal shutdown and didn't register a damn thing. I pulled back and then rammed my hips forward hard. I began to pump into her tight ***** with long powerful strokes.

"Oh ****...never had...oh my God..." My sister moaned, as I spent the next few minutes pounding into her.

I could feel her back begin to arch as her ass started to push back against me. She may be denying it, but she was starting to get into being fucked.

What couldn't be more than ten minutes into hammering into my sisters' *****, she dropped her head down until it lay on my mother's soft belly. I could feel the river flowing out around my cock as she was in a constant orgasm, but I knew the big one was building as her walls ripped around me.
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