Fireworks were scheduled for 10:30, and it was pretty dark an hour earlier. We played frisbee on the lawn for awhile until it got dark, then sat on th... grass by the lake, still in our swimsuits. It was pleasantly warm."Want to take a swim?" I asked."Skinny dip!" Jon said.This caught me by surprise, but it was dark, after all, and there were no other houses too close."I will if Daphne will," I said."Well, I've got nothing to hide," she said."I know," I said, "you haven't been hiding it all day!". She did like to suck me, and fuck, no question.She liked it rough, as the college-boys she was used to liked it that way, hair pulled, face-fucked, degraded, used.It was pretty obvious that this is what she was used to.She went down on me right away. We were supposed to watch a movie, get comfy, but she started rubbing my cock right away, and fished it out. She had nice smaller breasts, flat nipples that only poked out when she got very aroused. She stood up after initially fishing out my cock,. It climbed the small hill and pinched her nipple, a puffy, eager, pink mound that electrified Lisa’s core. Another hand joined the fun, pinching Lisa’s other breast, forcing Lisa to moan with pleasure. Her nipples turned hard with arousal, her boobs were firm.Lisa cupped both her breasts, each, a little more than a handful, and massaged them. She felt her slit moistening with anticipation for what’s to come. Resting on her back, she spread her legs apart, making space for her lover. Lisa was. She grinned. “If you’re really lucky, someone else might score.”***It was only later when the blood had returned to my brain from my groin that I remembered what she had said about Sam having a girlfriend. We lived on the first floor of a block of flats and Sam had the ground-floor flat beneath us. We had been here for a couple of years since we got married, and Sam must have moved in about a year after that. He seemed a nice enough guy: slender, softly spoken, polite, and a little shy. At our.