Getting in to the tub I could see the wet fabric cling to my sisters ass.I looked away quick and sat down, the bubbles obstructed any real view if any...hing I was sporting. "Ok I'm in. Can we talk now?" "Ok, where do you want to start?" she ask with a light in her eyes. "Well," I began to think, "do you regret anything? I was much older than you. Did you feel like you had to?" She looked like she was confused. "No, I actually saw you and (our older brother) and thought that's what siblings do.. Oh god," I heard her grunt a coupletimes, "Oh it is too much." No it's not, just a little more, come on baby." I god give it to me Daddy, give me it all." That's my babygirl." I heard a slap of flesh on flesh. "That's my girl.Now you're getting it all."Again and again their pelvises slapped together as he buried himself tothe hilt in her."Oh god it's so huge. Oh god yes! Yes! Yes! fuck me Daddy, fuck meharder." Oh yeah, my babygirl loves this don't you? You just love being on yourback,. I was amused that he just couldn’t seem to keep his eyes off my big tits. I even caught him checking out my ass when I went to get more food and drinks. It was very arousing for me to be treated like an adult by such a hot, older guy. I also noticed that Dan was focusing most of his attention on Sue and was also staring at her tits and ass every chance he got. We stayed together for the rest of the afternoon, and then reluctantly went back to our condos.The next morning Dan got up early and. It was bitter and nothing I had experienced ever before. I then took a longer pull on it and my mom said “Whoa there, take it easy, there’s no rush to finish it all in one gulp!” I smiled and wiped my chin. ‘This is good mom!” I said. “Well seeing as you are almost a man, and you got that job to try and help me out with the bill, I’d say you deserve it.” She said smiling back at me. Soon after the first and second beers were gone, we had realized that we had drunk almost the entire 12 pack my.