My stepmother has a surprise for me

My name is Robert, I'm 18, skinny and not too tall. I've never had much luck with girls, in fact I never dated one and I used to spent my days playing games on my computer and watching porn. Shemale porn. Dominant shemales fucking men. I wish i could be one of those men on the videos, that turned me on so easily.

I was alone one day jerking off watching a scene of Yasmin Lee dominating a tied up guy when something unexpected happened: my stepmother arrived early from her job, entered the house quietly and caught me. Stephanie married my father some years ago, she is a stunning white 30 years old woman with long black hair and a body to die for. In other words, she is absolutely gorgeous, and I still don't know why she was attracted by my father.

But that goddess was there staring at my hardon and my computer screen. All I could do in my desperation was to pause the full screen video with Yasmin's cock buried inside the guy's mouth. "I didn't know you were into shemales, Rob, and I see you like the big ones, much bigger than that little clitty of you."

"It's not what you're thinking and my cock is not small, it's just that.."

"Cut the crap Rob, this tiny little cock of you can't satisfy a woman, and I bet my ass you'd be rather taking a she-cock in your ass. Now get up and come close to me." I didn't know what to do, so I got up and got closer to her, my pants over my feet. She started jerking my cock and rubbing my ass as I moaned in pleasure. "I bet what your father would think then he comes back knowing that his son is in fact a little sissy boy that loves to suck cock." - My father got a job as an international salesman some weeks ago, we went on his first trip and didn't return yet, so I was there hopeless with Stephanie.

All of a sudden she sat on my chain and pulled me down so I fell over her lap. She unpaused the video and said we were gonna watch it together, still jerking me off. As time passed up, she put a finger inside my mouth and said me to suck it like if it was a cock. "Oh yes baby, suck my cock good, shake that ass for me, yes like this..