I'd had a thing for underwear, especially briefs for a long time and loved to cum inside them after wearing them for several days. My tight foreskin f...elt great against the material when it was trapped pointing downwards, I'd barely have to touch it, just gently manipulate the end though the briefs and a creamy explosion wouldn't be far away. It felt so good and I was getting close before being startled by familiar whistle from outside. It was my mate Chris, nothing unusual as he'd often come. .........I got up as usual next morning, feeling excited and nervous, and sat in my room playing records. It suddenly occurred to me that Colin might want to come round but luckily he didn’t. Then I heard the front door bell go and I guessed it was Sandra for Susan. Sure enough she went to the door and listening closely at my bedroom door I heard Sandra’s voice as they exchanged greetings. They both went back into Susan’s bedroom and I sat back on the bed, nervously waiting for events to. I said there was no more, and she sent me to the basement to get another 12-pack from the fridge. When I came back up, I gave her another beer and she said, "Remember the time I caught you jerking off in my bathroom?" I instantly blushed. She smiled and said, "Don't be embarrassed. You have a very nice cock. She stood up and walked over to me and said, "You have really put on some muscle this summer. You look great."I said, "You look really good, too!"She ran her hands over my chest and my cock. I hadn’t even stuck my tongue in her yet.I pulled down my zipper, pulled out my cock, and then I pulled my daughter’s pussy onto my cock. It was easy with her on that dolly with casters. I rolled her too and from over and over again until I started to squirt inside her. I pumped a lot of cum in her, even more than I had pumped into her mother the night before. As I pulled my cock out, her pussy lips closed up keeping all of my cum inside her, unlike her mother.For the next two weeks I fucked my.