I imagined pushing my dick into her. My eyes opened when I heard the click.I had forgotten to lock the bathroom door. Sis was standing there watching ...e. She grimaced and shook her head. ”I told you that is nasty. You want to sniff the real thing, not dirty panties.”I watched her close the bathroom door and lock it. Turning to face me, she pulled her tank top over her head and dropped it on the floor. Her nipples were erect and mesmerizing. She pushed her pajama bottoms to the floor along with. I watched in perverse awe as the two of them humped each other. YesKim was fucking the big dog every bit as much as he was fucking her, and thepair were enjoying it very, very much. I wasn't having such a bad time my-self either. I hardly noticed the ache in my own now straining cock as Isat not three feet from those two, and I realized that I was gasping forbreath. As Kim and her canine lover humped against each other I was amazedat the rhythm and the pace. Her hips were twitching. It was much longer than any of the skirts Iwore all summer. The sales lady must have noticed my reaction becauseshe immediately mentioned the length."Most of the girls have the skirt shortened. Trust me, it looks muchcuter after alterations. We can take it up to three inches above yourknee if you like." Yes, why don't you do that? How many skirts do most of the studentspurchase?" Mom questioned.As the sales lady marked the new hemline on my skirt, she answered mom'squestions. "Most of the girls. I was a little worried at first because I’m not cut, so I wasn’t sure how to do it properly. He told me that I was doing good, so I started to do it a little faster. I took one hand off and started to massage his balls at the same time. He let out a sigh of pleasure so I know he I was doing well.Then, I couldn’t explain why, but I had the overwhelming urge to suck him off. So I leant in, and licked the pre cum off his tip, before putting my lips over his cock. He looked down in surprise, and.