Very soon, on one of the inward strokes, I knew the moment had come, the nerve explosion was starting at my penis core in my groin, rushing outwards, ...ensing my arse, stomach and thigh muscles. I tried to withdraw from her mouth, as I knew the explosion of seed was coming. But she would have none of that, she literally applied an air lock around my penis, locking it in her mouth by suction. My oversensitive nerve endings had the muscles in my core contract, the prostate released its lock, seed. Of course, Nina didn’t know how many strokes she was going to get because it was solely up to Miss Rachael how many strokes she was going to give, and, just like last night, the seventh stroke bit into her bottom, which told her it wasn’t going to just be six of the best. The eighth stroke followed quickly as did the ninth stroke, and all the time Nina knew the pain was getting more and more intense but she wasn’t begging Miss Rachael to stop. In fact, far from it, as she still found the whole. Under those circumstances, of course." Oh, of course. It wouldn't mean they were latent lesbians or anything. Funny, isn't it? How men don't mind two females having sex together. It even turns most of them on. But mention two men together...well, most guys want to puke." Yeah, what's up with that?" Well, I think men understand why a person would be turned on by a woman. After all..." I shrugged."Sure. Because they are, too. But even women -- a lot of them -- are turned off by the idea of two. Later my tastes would develop into curvier figures, but Ana was gorgeous to me at 18. When she pulled me into a hug at the airport, I felt my cock stirring.Their beach house wasn't anything that special, but it was almost literally on the beach. We spent the first day there, from lunch till evening. My twin siblings were 14 at the time and loving swimming around. I was trying not to stare at Ana in her pink bikini. She never had much sense of modesty around us. Her bottoms were a Brazilian cut,.