My sister Judy only called me that to annoy me. But Iknew I would have to hide my smiles now."So Mikki," Mum said, "we've a few hours till you're sist...r gets home.You can remain dressed as you are but when I tell you to get changed youdo so." Ok Mum," I answered. "Do you want me to do any thing?"Mum smiled. "You could help with some of the cleaning. And help preparedinner," she got up. "I'll find you an apron so you don't get your blousedirty."We did all the cleaning. I helped prepare our. If that went well I was to put myself in position while the men helped the dog mount me from behind. If the dog wasn’t interested the men would try to rape me with the dog and if that didn’t work I would have to suck the dog’s cock until the dog came in my mouth.I went over to the dog – talking sweetly to him and patting him until he rolled on his back. I started to rub his tummy working my small hand to his cock sheath and then I started to rub that area until his cock appeared from inside. Walked to the window and looked outside. I was a fairly nice day. All of the sudden I thought of you. I could imagine seeing you outside. Just imagining you created a problem for me. Remember the running joke, “boxers or briefs?” lol Well today it was boxers. The thoughts of you created an issue that could not be disguised. There were not many people in the building this late on a Thursday afternoon. Maybe 10 between all 3 floors. But still a bit risky to continue with my thoughts. . Master Silk insisted it needed to be flouncy, knee length, and very feminine. Master selected a few for me to try on. He had to ask a shop assistant for sizing advice, pointing at me. More blushing! We took our final selection into a changing room, and I tried them on. I was made to strip completely naked, then put on my new panties, suspender belt and stockings before trying on the dresses. I felt very feminine wearing them, and Master selected a fetching pale blue number, because it matched.