I thought I’d go and pee behind the building. I passed two or three parked cars on the grass verge then when I got closer I realised it was even be...ter , it was a public toilet. I propped my bike up against the wall outside the toilet and went inside. It was quite dim in there just light coming in thru the windows above the urinals. There was a guy standing at the urinals having a pee and three cubicles but all of the doors were closed so I had to go to the stand up . I undid the buttons on my. It was all soft and cushy. I Played with it for some time and turned towards Niha. Niha had some flab which was inviting and sensuous. I repeated this for some time and in my process I bit both their boobs which made marks over them. Slowly I increased the speed of my hands. They couldn’t take it anymore. They moaned loudly and couldn’t stay on the grass. Their butts were lifted into air out of pleasure. Their moans grew louder and louder. When they reached the limit, they removed my hands and. "Don't pass out on me, any defiance would earn you added pain and suffering." So when the last part of grooming the ponygirls for the night commenced, that of oiling their harnesses. Both would struggle desperately for the best reward the poor girls could hope for, being allowed to provide their owner a with good orgasm. This in the slight hope for recieving somewhat better treatment. In the end one was picked as the Masters favourite, she was given the dubious honour since she with a last. ”I think he was waiting for me to offer some kind of sexual favor as a tip but Mr. Kesler did not specify this in his instructions. So I do not offer, although I would loved to had fallen to my knees on my porch and sucked his cock. (I’m becoming such a cum whore)Returning to the den, I open my package to find what looks like a medium sized butt plug and some genital jewelry. I text Mr. Kesler that I have received my package and await my next instructions.A few minutes later my phone goes.