The black latex body suit Fiona was wearing made the silver bolts stand out more and the light seemed to fall off the latex. I thought how it simply made her look like a very sophisticated 'blow up doll' to be used for fucking and then forgotten about.

Then the penny really did drop. Fiona's brain really was utterly fucked. As I stood there in the corner I saw the live feed of Rose during her workout. I couldn't be sure but it looked like she had a lot of cum in in her mouth as she did her workout. For some reason Subs is watching Rose like a hawk. I have to say that Rose's corset looked ever so nice and I was terribly jealous of her being allowed to wear it.

With a start my thoughts were ended by a short jolt of pain and Ms. Janice continuing, "Let me introduce you to Mary." as she pushed me in front of the second glass window. With a hint of regret in her voice Ms. Janice continued, "Mary is a tragic case. We gave her lots of trust and freedom like we're giving your big sister. In fact you could say that Mary is Rose version 1.0. but sadly Mary couldn't cope." I looked at the woman again maybe in her late twenties. She looked very thin and frail. Ms. Janice continued, "Ahh, Dido, if you're wondering why she encased in what is in essence a removal plastic shell around her body it's for her job. It's handy as it is wipe-clean."

I shuddered as Ms. Janice continued, "Thankfully her brain isn't as fucked as Fiona's but it still is very poor. She is capable of basic thoughts but that's it. She at times remembers her full name but that's about it. She is actually quite valuable to the Master though." The big blond woman stopped and grinned, "Yes Dido, Mary is valuable. She is highly skilled at extracting semen from the various male animals and workers as necessary. She is quite frankly a milking machine. The male animals, some of which are very valuable, really seem to like it when Mary is used to extract their seed."

I rocked back realising that in fact Mary did nothing all day but use her hands to get semen into tubes. Nothing more or less. Her life consisted of performing on animals to get their valuable sperm. No wonder her clothing was wipe clean. I shuddered again and again much preferred to watch Rose carry out her exercises. She was doing them ever so well as I watched even if she did have to stop now and again to let the trainer mount her. His dick seemed very fat and large.