On Wednesday morning I found an envelope in my pigeon hole. I opened it and recognized Sophie's neat handwriting. She wanted to see me on Thursday afternoon. An appointment I readily kept. Sophie was alone when I met her , no Prof and no Amelia. She was looking divine in a figure hugging maroon dress which showed her enormous breasts to perfection. After one look I wanted to bury my head between them. I followed her upstairs to a large bedroom. She got straight to the point : 'Get your clothes off and lay on the bed.' We were soon both naked . Sophie's tits are magnificent, the biggest I'd ever seen even in porno films. The nipples boldly stood out and when she moved, her tits gently smacked together. 'Michael you have been fucking Amelia a lot recently, in fact I feel neglected so you are going to fuck me.' There was almost a trace of jealousy in Sophie's posh voice. ' I need you to be capable of giving me a long fuck so I am going to get rid of your first load by hand, then you will appreciate my cunt so much more when I let you fuck it.' With that she grabbed my cock and started to pump it hard, I felt the sperm jump in my balls as they shook with Sophie's rhythmic stroking. Soon my cum was at the base of my cock, tingling and getting ready to shoot but as I arched my back in anticipation Sophie stopped wanking and let my cock go, leaving it twitching as I panted for more. 'Good , I want you eager, I was worried that because you've done so much fucking recently you would have lost interest.' Then she gripped my cock again , but this time she wanked it slowly, agonisingly slowly . Sophie looked hard into my face... ' You see Michael I'm not one of those students you like to fuck and shoot up in a few minutes, I need a long hard fucking.' She paused to gaze at my cock before continuing...'..and you are going to give it to me.' Then she started to pump it harder and harder. I felt the sperm rise again , it was bubbling up almost to my swelling knob head. I was ready to shoot and I groaned as the spasm started to surge, but then Sophie stopped again. My cum sank back into my balls and my hard disappointed cock twitched vigorously. This ecstatic torture went on for ages, slow wanking followed by hard wanking, sometimes stretching my foreskin as far back as it would go and sometimes just over the knob head.. Eventually this game was ended, when grasping my balls with one hand and my cock with the other Sophie pumped me dry over her huge breasts. As the sperm dribbled down in rivulets dripping from the end of her nipples Sophie spoke : ' I think you are going to need something to get you ready again' and with that the door opened and a slim dark beauty entered the room. Well, I can only describe her as ' Gothic' looking. She had long black hair tied back, large loopy earrings, a black leather mini skirt and long legs in black stockings. I could just see where the stockings ended and the suspenders began, the tops of her legs were brilliantly white. She wore a lot of lipstick, bright red lips and heavily made up dark eyes. She didn't seem to have much cleavage but she radiated hot sex. The fact that we were naked and she was fully clothed made the encounter even more exciting. Sophie smiled at my expression ' This is Kristina, she is going to help you get ready', and with that Kristina came over, sat on the bed and started sucking my cock. I was soon rock hard. She certainly was an expert, rotating her tongue around my knob head, sucking it deep almost into her throat and flicking her tongue in and out of the slit. As she began licking me from arsehole to the end of my cock Sophie intervened : ' You can leave us now Kristina.' Then with a curt ' Fuck me!' Sophie lay back and opened her legs. With one hand she spread the lips to reveal her glistening hole, glinting beneath her hairy mound. I aimed my cock and entered, gliding up her cunt with a slurping sound. There was something exquisite about Sophie's cunt, whereas Amelia's was so much younger and tighter with incredible suction power, Sophie's was layer upon layer of moist flesh, beautiful to penetrate and so sensitive to pull out from. There seemed to be an endless depth to it too so I could thrust as hard and as deep as I liked, whereas Amelia would gasp with every thrust Sophie just sighed contentedly. I knew I had to perform well and I pounded and pounded - in out, in out, in out - it was a marathon not a sprint . It was dark before Sophie enjoyed what she decided would be her final orgasm. We had fucked in every way :- her on top, doggie, missionary even alternative arse hole and cunt fucking. I don't know how many times she came but she was eventually satisfied. I rolled off her and laid back on the bed, it was then Kristina came back in the room. Sophie spoke' You have been a good boy Michael and so Kristina will reward you.' In a moment Kristina joined us on the bed and began sucking my cock. Sophie edged up so that my head could rest on her thighs while her huge breasts dangled above me. It didn't take Kristina long to work her oral magic. As I felt myself ready to cum I slipped a hand up Kristina's miniskirt, gliding over the smooth flesh above her stocking tops. I reached her panties and felt a hard mound between her legs . My god she had a cock and with that I shot a huge load into 'her' mouth.