I didn't get far, though, because as I crossed the back yard, I noticed my parents' light still on. "What the hell!" I thought.I was soon rewarded. Th...ir shade was pulled down, but left a 2-inch gap at the bottom. Through this gap I could see my Mom at her dressing table. Dad was nowhere in sight, but the door to their adjoining bathroom was closed. She was taking off her jewelry, and was clad only in a bra and panties. Instant hard-on.I don't know why I hadn't noticed before, but my Mom had an. Catherine couldn’t see where the joke was. Peter lifted the jacket down from the wall. “Arms up.” He commanded. Catherine looked around the boys.“On you go.” Encouraged Jerry. Catherine couldn’t see the harm in it and raised her arms. The jacket was placed over her head and the boys fed her arms into the sleeves. The cuffs of the jacket ended about a foot after her hands. The Jacket itself was fairly heavy. She stretched her arms out, the sleeves drooping from her small hands. The boys found it. “So, we’re ok then?” I nodded. “Can I join you?” With only the slightest hesitation I replied, “Sure!” With that he promptly stripped naked and joined me on the couch with his long narrow cock sticking straight up. At first we just sat there watching the screen while stroking our cocks but since the proverbial cat was out of the bag we started talking and discussing what we’d learned about butt sex with guys. As we talked we were both very aware of the massive elephant lurking in the room but. I just loved feeling my cock getting hard all the time ,anything excited me . So I got up to clean up and went to the bathroom. I took a piss and wiped off the cum. As I was leaving I saw a pair of his sisters panties lying there. I picked them up and just inhaled them, it was memorizing. Now my cock is harder than before. His sister was only 17 with long legs and I saw her tits by accident one time at the beach. Small but perfect. Embarrassed to say but I jerked off in those panties and.