I went to my back room and pulled out my nine tails from my coat, some straps and bars from the walls and drawers, then a ball gag, anal plug and dild..., and the enema tool and placed all of them on the bed. She returned from the bathroom with her shoes in one hand and her thong in another. She dropped them both looked at the bed and smiled, then pressed her lips on mine and we kissed for a long time before I plopped her on the bed and lifted the bottom of her dress. I peered down on her fresh. “Hi slut” says Andy “what you doing after work then?”. “I cant” she says “i am working late, we cant keep this going”. she pleaded.“See this Danni, my phones got the net on it, i could E mail everyone in here with that picture” said John leaning up against the wall behind Andy.“Please don’t, will meet you later if you want just dont tell my boss” she moaned.“Give us a kiss then” say John. She picks up the coffee and makes her way to him. She leans in and kissed him on the lips, as she did so. They felt slightly resentful that the best benefits of their experiment had gone to their chemistry teacher, especially when it looked as though they might never get another chance to complete their 'study'.Just when things looked at their grimmest, and the despondent thirteen year old's were sitting at the top of a slope, hugging their knees and balefully surveying the joyful explosion of students, they spotted a familiar figure across the field. Automatically the twins jumped to their feet,. I obeyed.When she had closed and locked the door behind us she opened the changing table that was mounted on the wall and told me to set her things there. When this was accomplished, she pointed at the handicap railing by the toilet. "Pull down your pants and grab the rail."I knew that resisting her would only make matters worse, so I obeyed, undoing my belt and my fly and pulling my pants down to my knees. "Those, too," she said, referring to my underwear. I pulled my boxer briefs down as.