The unexpected happened, having fucked my step-sons ex gf whilst giving her a lift home, I didn’t hear from her for over a month, so long that I’d just put the whole thing down to a one-off. I got a text from Sheila, asking me to meet her after her work on Friday, I picked her up and she said we’d been invited to her bosses house, it seemed that her bosses husband had a thing for her, but hadn’t done anything, save some suggestive remarks, whilst she had a bf, but once she was single, he had started to make a move, his wife, it seemed only encouraged him, hence the invite. Whilst we drove over she said that she had always thought she had a thing about older men and our fuck had confirmed her wants. We were invited in, Rob was very attentive to both of us, although sensing he was on for a treat with Sheila, did tend to attend more to her. I was invited to sit on the sofa with Jenny. I reckoned Rob and her, to be late thirties and she was around a size 12 with fairly picked up her wine glass and the bottle and they left. I was left chatting to Jenny, really small talk. After around 15 minutes, I knew the house not to be that big, I knew that he had probably reached the bedroom and made his move. So I put my arm around Jenny and drew her closer towards me. She put up no resistance so I kissed her and she was more than willing to return it. I didn’t push it but the longer we kissed the more emboldened I became. After around 30 minutes I had her topless and braless, playing with her, now protruding, nipples. We continued but she now seemed in a hurry for me to lose my trousers and i was happy to oblige her. When she got my cock uncovered she dropped straight down and took me in her mouth. After I shot my first load down her throat she laid back and begged for me to fuck her, I pulled her leggings and panties down and tried to go down, but she just told me to fuck her, so I pulled her legs apart, gripped her ankles and rammed right into her. We obviously lost any sense of time, as we fucked changing positions numerous times until I finally shot up her doggy. We were just recovering when Rob and Sheila returned, he looked quite shocked as we were both still naked and they were dressed. Jenny had a glowing smile on her face, but he didn’t seem that happy and went even quieter when she started to play with my cock in front of him. Sheila broke the situation by saying she thought she’d better go home, I went to stand and get dressed, when Jenny said Rob should take her as he was dressed and I wasn’t. Rob didn’t argue with her, Sheila kissed me and whispered in my ear that he wasn’t very big. After they had gone I had another drink and started to dress, but Jenny simply took me by the hand and took me to their bedroom and into her bed. I didn’t hear him return, but he slept in the spare room and she was hot on me the following morning.