First off, she was my sister-in-law. I didn’t really want to f*** her, but I did want to put my d*** between her beautiful a** cheeks and grind until I blew my wad up her back. What I did instead was use her satin thongs to j******* with and she knew of it, but never caught me. In fact, I got myself off a number of times near her. A couple of times I hoped she would catch me with my d*** in my hand.

Once, we were alone in a hotel room, in separate beds. She laid down with the lights on, but she put her back to me. I couldn’t let this prime chance slide, so I started rubbing my d*** until it started getting hard. She had to know I would misbehave with her around, but she never moved once under the covers. I know she had to hear my muted pleasure. Before long, I blew a my load on my belly, under just the sheet.

Another time, we had all been out drinking and feeling good. We got in the pool when we got home. I, like others except her, got in naked. She kept on her black satin push-up bra and matching thong as swimwear. I was told by my wife to dunk my s*** sister-in-law. The first time I grabbed her up, her soft shapely a** ground against my d*** and I noticed an immediate response. By the third time, my d*** was hard enough to nestle nicely in her a** crack. I thought I would gizz right then and there, but didn’t. I didn’t want to waist such a moment. So, I slipped into the shadows of the pool and wrapped my hand around my hard-on, stroking slowly at first. I was only feet away, nobody noticed, the object of my lust had her side turned to me so I could see the form of her t*** in the dim light provided by the porch light. I shuddered with the intensity of this taboo o*****.

Then, there is the time I was working at her house. She wore a thin yellow tank top with a pair of silky little shorts that let her b*** cheeks barely peak out. I was so turned on by her appearance that my d*** was half hard from the first sight of her. She kept checking on me and my work, knowing this would continue, I borrowed 2 off her silky thongs out of her stripper bag and started playing with myself with them. Even trying to get caught this time, it still didn’t happen. I wanted her to catch me, hoping she would at least offer a hand, or mouth. I guess I should have just whipped my c*** out and just started jerking off right in front of her face. If nothing else, maybe I might have been able to persuade her to take her shirt and bra off, getting to get off on her 34B, perky t***. Oh well, I will never know, she is in the distant past.