And although that hadn’t been a part of my earlier thoughts, now it somehow made it even better, more exciting.I caught my breath. “Does it feel g...od?”“Yeah.”“Do you like it?”“Oh yeah.”“Good. It feels good to me too. I like it too. I really like it.”And, oh boy, did I. None of those old thoughts could compare to this. The feel of his cock going and out of my gut was sending me toward the edge. His balls slapping against my ass alone made me want to cum. My cock hadn’t gotten hard until he had. One summer in my teens, I made friends with my older neighbor who lived with his mom. We met when I tried to buy some pot from him. He wouldn't sell me any, but offered to smoke as much as I wanted with him, so I took him up on that! He had the entire basement to himself and when his mom was home, which was rare, she never went down there, so we smoked there. It was super hot outside and neither of us had air conditioning, so we were in his semi-cool basement room getting high wearing nothing. Mom's probably almost done packing for Aunt Karen's." Her large tits jiggled invitingly through her blue halter as she jumped up from her knees and stepped out of my room and into the hall.I pulled my pants up, buttoned them, and buckled my belt. My eyes followed my sister's ass under her black miniskirt the whole time, until she disappeared.Maybe I should back up and explain a little. My name is Clint. My sister and I are twins. We've always been close, and for a long time we shared rooms. To. Oh God, how wonderful it felt to sense his hot body, that long, tickling thick Irish Setter hair rubbing against her belly, against her legs, against her titties! Oh! Her titties! How good they felt rolling, bouncing, and slapping together under the animal's attack. More saliva rolled out of the Setter's mouth, oozing past his sharp teeth, seeping over his quivering black rubbery lips and then falling down on her jiggling titties. Lydia moved her hand down from the screwing dog to her boobs..