I groaned as she held me still in her mouth liking the underside of my sensitive helmet, I started pushing a little and she started moving, bobbing ha...f way down before almost letting me go sucking me harder as she played with my balls. It’s not my time yet I told her its time for you to have some fun.I kissed down her neck and pulled her delicate small breasts from the corset licking and nibbling her long nipples, she groaned pulling me to her until I had nearly her whole breast pressed in my. As luck would have it, it started to rain, and Kent and Libby were rather wet when they arrived at Mark’s. He wondered if he should offer them dry clothes when they would be getting naked soon enough as it was. He waited for Kent to take the lead.“Hey, Grandpa Mark!” Kent said grinning. “This is my girlfriend Libby. Libby, meet my Grandpa Mark.”Mark felt himself relax a bit when he realized the role-play didn’t involve any incest. He’d been struggling with that one all week. But there was. I started to soap up and as I got to my cock and ass started to get a tiny bit erect, looking at the guy next to me I noticed that he had a massive boner that he was trying to hide. Another guy came into the shower in his trunks at that point, and my watcher turned away from him, hiding his cock, but giving me a full view!I was also getting quite hard now, but trying to hide it with my hands and turning away, but that was making it worse. The guy in trunks had a quick rinse and then left. At. “Oh God, Oh Yes, yes, Oh YES, YES” she groaned.Then she went deathly quiet for maybe 2 seconds, then she erupted OH my GOD, I’M COMING, YES, YES, OH GOD DONNA, YES, YES AAAARRRGGHH, OH GOD YES”, as I licked and fingered her, after her climax was winding down she kept moving as I was still licking her she had a couple of aftershock orgasms. Then I stood up and she sat up and came towards me. “Lift your skirt up” as I did, she ran her finger over the front of my knickers. Then Annette said, “Oh.