There I was hands handcuffed behind my back in my sisters panties with her boyfriend looking at me stroking his cock smiling. He then grabbed some lub... and covered my cock and started stroking my cock hard I was so turned on within minutes I was shooting my load. Within seconds of shooting my load I relised what I had done and felt ashamed and full of guilt. I said "OK dean untie me now" he laughed and said "no way bitch this is where my fun begins" he flipped me and bent me over the bed and. She was kind of brain, very studious with school and such. Its not that she was not attractive, quite the contrary, she had a striking presence like a fashion model, almost European in her look, her eyes sparkled when she was excited, an engaging smile and a curious eroticism that was a puzzle to most, including me. I had known her forever and I had just been pursuing others who I thought were more interested in me and of course a physical relationship. I was eighteen after all. It was an early. I did the best I could to stay calm, to pretend I wasn't having the kinky thoughts I was having, but I could never hide my feelings really. She took her hand from my chest and rested her palm on my forehead."I've got something for you," she whispered. I opened my eyes and saw her fingers grab onto the left strap of her dress, pulling it over her smooth shoulder, down her arm, unveiling the top half of her left breast...I was amazed and delightfully in shock and then she placed a finger on my. I ordered them to move to the bed and play, now they r 69ing each other for a few min then I told my wife to ride her face. I could see my wife’s juice all over Mia’s face as she worked her tounge around her clit and deep inside. Then my wife said I want to ride this huge dick, she straddle Mia and slid that fat head deep inside of her wet pussy. I said with a deep voice ride that dick baby!She got turned on to my order, as she slide up and down that throbbing monster with her pussy juice.