I was doing nothing in particular, just enjoying the feeling of freedom, and possibly enjoying it all the more because it was slightly naughty.I was s...tting idly running my fingers across the surface of the water and daydreaming when I heard a strange man’s voice, apparently addressing me. “And what, pray, is a beautiful young lady doing here all on her own? Do you not know that it is not entirely safe for someone as fresh and lovely to go around unattended.”I turned to see from whence the. She brought her hands around and filled them with his buttocks, pulling him into her voracious mouth, letting him stroke forward into her … pull back … forward again. She glanced up at his face, and saw that his head was thrown back in ecstasy, then caught sight of a movement off to one side, and when he stroked back away from her again, she glanced that way and saw Betty peering around the corner of the doorway, watching them. Oh my, she thought, but decided that she should put all of her. Susan grabbed the sheets and moaned. Her hips arched up once more to meet his hard cock. Another moan as she climaxed in orgasm.Zack was not far behind. His body was shaking as he thrust faster and faster. Loud moans by both of them filled the room. He drove his cock as deep as he could and held it there as he pumped his creamy load deep inside her. I could see by the look on Susan's face that she was cumming again.Zack almost passed out as he pulled his now limp cock from Susan. It was. A few minutes later she walked back in, and it was obvious she been to the ladies because although slightly red-eyed, she looked much (much) better. And it did not escape my notice that one more of the buttons on her shirt was undone.She flicked the snib on the door lock so it couldn't be opened from the outside, shut it, and walked over to me. She pushed me back so I was half sitting on the edge of the table, push between my legs, pulled my head to hers and started to kiss me. I didn't object,.