Denise let out a huge scream. “Oh God, I’m coming. Oh Fuck!” Pamela got off of Robert’s face and Denise hopped off. “We have a little tre...t for you Robert. Denise left and went into the bathroom and came out with her strap on. Robert loved for his girlfriend to fuck his ass with it. We’ll take turns fucking you Robert. We know you are a dirty boy. Do you like to get fucked in your ass?” “Oh yes. Fuck my ass you dirty bitches.” Robert got on his hands and knees and Denise put some lubricant. Her lust waxed as her period approached and waned following it. As we were finishing the middle of the fifth month of lessons, exploration, and pleasure, that Sunday arrived as she baked a sweet potato pie for me to take with me when I left. She looked upset. Something was building. A wall.The pie had cooled and she handed it to me as usual and I reached to kiss her. It dawned on me. She should have started her period. Dumb me, I was insensitive. I was also in a bit of a panic mode. It never. “What a blowjob! He's making me cum already Dennis.”Dennis squeezed my cock saying, “Drink it all. Swallow his dirty cum.” Just as Rick began to expel his juices into me I also came, pumping my juices all over the floor, again. Dennis turned off the vibrator and let Rick finish spending his spunk into my stomach. I could hear the couch move and Dennis saying something that I couldn't quite make out as I collapsed on the floor, coughing. The room was fog gray as I caught my breath and shook. The intense love-making session with Derek, my boyfriend of five months was hot, satisfying on so many levels. We did our usual mutual sucking of each other’s hard cocks, and just before I felt an explosive orgasm building, he pulled off my throbbing, wet, pre-cum dripping cock, and moved up to embrace me as we sensually kissed each other – the taste of my own pre-cum mixing with his saliva and his pre-cum in my mouth to form an elixir that drove us to the edge as our wet cocks pressed against.