She wondered if it meant that she was one of those "Bisexuals" that all the magazines said were a lot more popular than old-fashioned "Straight" girls... Whatever it was, she was attuned to it and hoped that Mrs. Johnson would get even more up close and personal during the afternoon session.She was not disappointed because Mrs. Johnson showed her a film right after lunch that showed a series of men in small curtained cubicles being "hand-jobbed" by girls with an intent look on their faces. She. But how many more?I stepped back and took off my shirt. I then lifted her dress and pulled it over her head. I was treated to the vision of my Mom naked before me again. But this time I knew I'd shortly be fucking her.I lifted her onto the kitchen bench and and stepped between her legs.I bent down and engulfed one of her nipples into my mouth. Her salty sweat skin tasted wonderful. The hardness of her nipple under my tongue and between my teeth was simply incredible.I could hear her moaning. I lay in my single bed while step bro had a fold out sofa bed to relax in and we chatted quietly in the barely lit room about varying subjects for no longer than 10 minutes before hearing footsteps coming up the hallway. The door opened and an adult head popped in allowing the hall light to illuminate the room, "sound asleep" they tried to whispered with a slur. We had fooled them with that childhood classic fake sleeping routine. Promptly after this lax child safety check we quietly resumed. You grab my waist and place your long, red, bloated cock at the entrance to my trembling gaping pussy. You push in slightly and stretch my lips to bursting point. I try to move away from the massive invader but you hold me tight.I tremble at the thought of what you might do to me and scream into my pillow, you plough further up and then slowly work yourself in and out of my gripping organ. A little more of you pushes up every time and I think, “Oh God, what have I let myself in for, he’s.