We always have had our rivalry, like all siblings, but there was more to it, for me. You see, she wasn’t really my real sister, by blood. She was a ...irl I had a crush on in grade school, and right when I was going to ask her out, her mother and my father fell in love. So then, this girl I liked way back when was out of my reach. Our folks got married, and that was it. The odd thing was she fit right into the older sister role perfectly, even though she was older by less than a few years. In. My pussy lips stretched around it but I could take it all. I soon started bounching on it, looking downwards at times as the black monster invaded my pale white skin. This made me a black man's slut, but I didn't care.Tom still hadn't done anything much and I was wondering what the fcuk was wrong with him!? Mike must have too for he soon slid us backwards towards the end of the bed, with his legs overhanging. He told Tom now to get the lube from the bed-side table and to come have a go too.The. Go ahead, you don't have anything I haven't seen." Only if you do too," she smiled mischievously. I pretended to take my time. We laid next to each other, enjoying the late sun setting over the water and the glow that entered the room. "Mae, you have the most beautiful breasts." She said. "The way the sun is shining and creating shadows, it's so clear that they are round and heavy and yet...perky."I felt her hand touch my nipple...the left one, the one my secret friend liked to torture into. "Okay, I think that I'll go inside, and change into something cooler. Maybe I'll go swimming, since it's kinda hot today." Okay, Uncle Grant." she called, as I turned around to put on my swimming trunks.I returned with my trunks on, holding my towel in my hands. As I walked out, I noticed that she had turned over on her stomach. She was wearing her thong bottoms, which displayed her heart-shaped ass, and my cock instantly stood to attention.I jumped into the pool, trying to hide it, but it.