Drooling over him, he is so fucking sexy. I say "you have too many clothes on." He smiles but doesn’t move it’s all on me. He is letting me have m... way even though I can see his cock almost bursting out of his pants it’s so fucking hard.I give him a cheeky smile and walk around him; his arse is so sexy mmmmm. I slowly rub my hands up his back after squeezing his arse, slowly and gently. Smoothing my hands up, he moans my name, I smile, I have him now.I lean down and from the base lick his spine. " He followed my instructions, and we pasted our lips together once again. 'Well, having two incestuous couples living under one roof could be sexy,' I thought. Although, after only another minute, his lips jumped off mine. "Sis, I have to cum." Before I could even think of a response, I felt his seed come bolting out onto my shorts and tank top. "Oh," I moaned, glancing down. "Damn, you have some hot seed, little brother." I missed the first two shots as they jetted out, but I managed to see. The trip up was normal and I arrived around one in the afternoon. I went up to Jenny's apartment and knocked. no one came to the door. I did hear a load moaning coming form inside. I knew someone was getting fucked. My pussy started getting wet. I knocked a bit harder and heard some shuffling and then the door opened. It was Jenny and she was naked. She looked at me and Said Hi mom what are you doing here. I said to came to visit but I see you are a bit busy. I told her I would come back. She. That theory hadn’t disappointed me in the past and I was curious to see how it played out with Chris and Bec. And, oh yeah, the young eighteen-year-old Monica who didn’t get to experience it. We got about two miles into the run and the clouds started getting darker in the direction that we were heading. I decided to cut it a little short, maybe a half mile less than my original route, because I saw lightening striking in the distance. Shortly after we turned back north I felt some sprinkles..