There was a locked back door, leading to a storeroom, but lockpicking wasn't one of my skills. I sat on one of the buttresses that supported the wood ...lats of the wall. Good construction! These waist high posts every few feet along the wall would support the outward force of the roof. Since designing and building my clock tower, I had started to notice these things. Instead of buttresses, on our clock tower we made the walls at the bottom many times thicker than at the top. It worked pretty. We'd agreed to let out 18 year old son, Brent, have some friends stay over, on the condition that there were no girls. I was a little tentative when the first of them began turning up just as we were leaving, as I had only counted on one or two friends, but Sarah said we could trust him. I wasn't so convinced; I had noticed that Brent was becoming, well, not exactly rebellious towards me, but perhaps a little flippant and dismissive, especially at times like this when I tried to lay down any. Judy smiled shyly and kissed him on the lips again, quickly. “Let me get ready…”She left him in the room and grabbed some things of her drawers. She was coming towards the closet and I ducked back behind the hanging clothes. The door opened and she grabbed a little black dress on a hanger and closed the door. She disappeared in the bathroom to change and left Grey to wait. About 20-minutes passed before Judy emerged. She looked awesome. Peeking through the louvers I could see her in the LBD,. I was holding my wife up by her arms as our friend continued fucking her from behind. It wasn't long before my wife's orgasm joined with our friend Rob's as she took each of his thrusts while he pumped her pussy full of cum. Kerri straightened up and gave me a long slow kiss; I could taste my own cum on her lips. Turning toward Rob she pressed her body close to his and began kissing him very passionately. Pressing against my wife's back I slipped one hand down between Kerri and Rob until I.