Written for a friend as it happened to him long ago..
It was one summer in the early eighties, while my parents were away for the week, that I found myself, alone with my older sister. For me, the days before that week, were busy with college, work and the few activities I was involved in. I was a bit awkward back in those days, and not dating much. My only sexual encounters seemed to be with my right hand while looking a pictures of pretty women. In other words, I had had very little experience in sex.
That was changed by none other then my sister, Diane, who decided to teach me more on the subject. The week we were both staying at our parents house was most interesting. The first day we were sitting in the backyard, sunning ourselves and drinking a bottle of wine that belonged to our father. Diane was wearing a very skimpy swimming suit that showed off her rather large breasts. Having gotten a little drunk on the wine, I found myself staring at her tits. It didn't take long for Diane to notice my interest in her breasts. Usually a non-stop talker, she had grown quiet.
Diane was one to talk about her sexual adventures freely and often. She worked in a hair salon and had bleached blonde hair and wore clothes that showed off her plump figure. She liked to wear things that were tight, short and very low cut. She had large breasts that she was very proud of.. and liked to show them off whenever it was possible. If she noticed she was embarassing me or making me uncomfortable with her sex talk, she would get louder and go into more detail.
Anyway, that first afternoon, after noticing my interest, Diane got up out of her chair and headed towards the back door to the house. Before going inside, she looked back at me and called for me to come inside too. I followed after her and was shocked when I walked into the kitchen and found she had removed the top to her swim suit. She smiled wickedly at me and said, "I know you want to see these. Would you like to touch them too?"
My sister had starred in many a fantasy of mine while I jacked-off and now she was offering to let me feel the tits I had so often dreamed about. Of course I figured I'd better take her up on the offer because I might never get the chance again. She stood there holding her breasts together and upwards as if offering them to me. I put my hands on her large mounds and rubbed my thumbs across her dark nipples. I felt my cock give a twitch as her nipples hardened under my hands. "Go ahead, suck on them if you want." she encouraged. I lowered my face to her breast and put my mouth over a nipple and sucked. My tongue made circles around the hard little nub before sucking it harder. I heard her moan as I did this and my cock jumped to full attention.
