Slowly and methodically Master works his way over my body adjusting the strength of the shock and location. I see him smile as he trails it closer to ...y still gaping cunt, noting my reaction and watching the sheen of sweat break out over my body and begin to soak me as i struggle vainly against the pain as he brings me to the edge of passing out over and over. After what seems an eternity i hear whispering next to my ear, telling me how beautiful i am when I'm in pain and what a good pet I'm. When do,you go back to,work?” “Not till Thursday night.” “See you in the morning for breakfast then.” And she headed upstairs for her bath. I turned the television back on and began to watch a show I liked when the telephone rang and it was Sarah. I filled my wife in with what had gone on with poor Chris and Sarah told me to keep with it as she would likely be a couple more days yet before she could come back home. I rang off and went to turn the volume back up. “Was That Mum on the phone?”. He grabbed her hips and began to fuck her hard not caring of the pain. He grabbed her by the hair and said "You like that big cock in that tight ass you sexy bitch? Does your ass feel good getting fucked hard? You will be lucky to walk when I am done with you tonight. I love pussy and ass and you have a great set of both." He then began shoving his cock in and out forceful r****g her ass with each thrust. Her ass felt like it was on fire but the driver was a big man and she could never get. Well that is a pity as I have just finished taking a shower so I would be nice and fresh for you for your next lesson and I was going to wear the bikini as I know how much you love it. Now I can’t but luckily for you I have something I know you are going to like instead’. It dawned on me that the sound that woke me was that of the shower being switched off. I thought I was alone but I guess she must have palmed the kids off on someone and sneaked back into the house while I was sleeping. My.