Annie, my wife, had taken a part-time job teaching English literature at a local college, At the end of term, one of her colleagues threw a party to which we went, We had a few drinks before we went, to get into the mood, actually, both getting a bit cut, Feeling her up, in noticed that, as usual, she wasn't wearing any knickers, I wondered what she had scheduled for the evening, There were rather a lot of people there, mostly men, all somehow related to the college, It was a really large flat, I was introduced to the host, Andy, who seemed to have a bit of a thing for my wife, Little did I know, As usually happened at this sort of do, we soon separated to hunt on our own, After a few scotches, I was having a good time chatting up a gorgeous hungarian chick, until her boyfriend arrived, curses, I went off to get another drink, where I got talking to another guy, After chatting for a while, he asked me with a huge wink, whether Id been in the room yet, Not knowing what he meant, I said so, Dont worry, your turn will come, he said, After a couple more minutes, a chap came out of a corridor that led off to the rest of the flat, walked over to my new friend, and with a big grin slapped him on the shoulder, Oh, great, , he said and disappeared down the same corridor, I was intrigued and decided to find Anne to know what the mystery was, As I said it was a big apartment and it was completely packed, there could have been towards a hundred people there, so it took me a while, looking around, to realise that Anne wasnt in the room, Then I saw another chap come out of the corridor and go and slap another on the shoulder, who then went down the corridor and openning a door at the end, went in, I followed him, and listening outside, heard some kind of kerfuffle going on inside, so I opened the door and went in, to be presented with the view of my wife, naked on a bed, being fucked by three guys, She was being triple fucked, riding one guy in her cunt, sucking off another kneeling on the bed in front of her, while Andy, the host, fucked her arse from behind, while she gasped and growled, in her usual way while she was really enjoying herself, getting fucked bandy, I leaned against the wall, enjoying watching the action, Shortly, the door opened and another guy comes in, strips off, goes and kneels on the bed beside Anne, putting a five dollar bill on top of quite a high pile of bills already there, presenting his prick to her, At this, she changes pricks and begins to suck off the newcomer, Then alternating between sucking him and the original guy who soon came and sprayed spunk all over her face, She loves this and it started an orgasm in her, with her shuddering and growling in the throes of ecstasy, with Andy, fucking her arse, also started to cum, shooting his jism deep into her arse, She carries on, still fucking the guy in her cunt, while Andy withdrew from her arse, stood up and reached for a cigarette, Anne still hadnt noticed my presence, I decided to join the party, stripped and took Andys place, fucking her in the arse, As I slid my nine inches into that glorious spunky hole, I could feel her muscles quivering and clenching in the semi orgasmic state that shes usually in, in this situation, As I started grinding away, she stopped sucking and laughing, said,' , , Wait a minute, I know that cock, , ' and, twisting round, still fucking the guy under her, said, , , Hello, darling, I wonder when you'd twig on, , and pulling my head to her, gave me a huge spunky kiss, It became apparent that Annie was the college choo-choo- train, That these parties had in fact been weekly affairs, on Friday nights, the night that Anne gave 'extra classes', and afterwards went out for a drink with the girls, It turned out that it was usually her habit on arrival at these does, to go straight into the guest bedroom, strip, and fuck anybody that came into the room, charging them $5, a time, ' I make a hundred bucks or so, most weeks,' she said, Why she'd kept all a secret, God knows, We had an extremely permissive relationship as you know, and had taken part in numerous sexual adventures of all sorts, She afterwards explained that this was a part of her professional life, Therefore was nothing to do with me,