Kinks: anal sex, rough, dominant, taboo, incest

The door to Sarah's bedroom creaked open just a little bit, enough for me to peek my head inside. I had heard some soft, muffled whimpers coming from down the hall, and I couldn't resist the urge to investigate. That's when I saw her - my 18-year-old stepdaughter Sarah, sprawled out on her pink bed sheets. 

Her curvy body was arched and twitching in the dim afternoon light filtering through the curtains. She was a sight to behold, with her brunette hair tangled around her flushed face, and her full, perky breasts heaving up and down with each breath she took.

I couldn't...