I tried hard, but gagged each time Sir plunged his cock down my throat and held my face firmly against his groin! He worked me over good for nearly tw...nty minutes before he gushed what seemed like a gallon of cum down my throat! I could do nothing but swallow it all as Katie and Sir forced me to perform for them as their Bi slave. I apologized to Sir and to Katie as I admitted to them again that this was my first real Bi scene and that I would hope they would train me to be better at it. Katie. She stared at me a moment and then said, “They share with you, don’t you think they’d share with me too?” “Share? What do you mean?” “Don’t be so thick.” She replied. “Carl has been fucking me almost as long as he has Kathy.” “Really? So I guess you really do know all about everything?” “Sure, I’ve known since the first day Kay worked up the nerve to ask you to fuck her. They’ve told me how much you’ve learned and they’ve bragged to me about how big your dick is.” I sat quietly for a. The wife reappeared and we chatted some more mainly about Christmas and preparation etc.Then Mrs P explained she was making mince pies for a charity sale but felt embarrassed to say she didn't have the strength to open some of the jars. My wife jumped straight in saying I would pop straight round. Bingo! Not much time but I had a reason.Mrs P walked off and I quickly washed my hands and jogged up after her catching up as she reached home. She opened the door smiling as we entered then locked. Married - and don't you forget it.The pictures of hubby and kids on her desk just to let everyone know. Didn't stop me and all the other guy's ogling her and imagining though. She had legs that went on forever, certainly right to the top or bottom depending on your point of view. Superb butt, when you reached it, all topped off by a slim line body and a rack to die for. She certainly featured in my dreams.Katie was carrying a pint of beer. To be exact she was carrying a pint of beer that turned.