The following day I was at home. As soon as my wife left for work, Margaret and I were fucking like crazy. Most of the day she had the dildo in her cunt, and I was fucking her arse. I lost count of how many times we fucked but my balls and cock were starting to get sore and I hardly had any cum left. In between me fucking her, Margaret was working the dildo in her cunt. She told me this was what she did most days before I lost my job. She then asked me about the guys at work and when she was meeting them. It was getting close to 3pm and I told her they would be finishing work soon. She suggested I invite them over. I told her they would be all sweaty and she said she liked that.
I rang the office and spoke to one of the guys. I told them my 'work college' was visiting me and wanted to meet them all. He initially thought I was joking and then asked if she knew that they wanted to fuck her. I explained she knew and that was what she wanted. There was a moment of silence then he covered the phone for about a minute. He then said there was six in the office and they're all keen and asked for the address details. I covered the phone and told Margaret there were six guys and they were keen. She smiled, nodded and gave me the thumbs up. I told them to come over and that my wife would be home at 5:30 so they had better hurry.
Margaret had a quick shower, tidied her hair up and put on a short black negligee. Fuck she looked hot! About two minutes later there was a knock on the door. I opened the door and the guys were there still in their safety shirts. I commented they must have broken speed records to get here. The first guy asked me "so. Where is this slut?" Margaret came up from behind me and announced, "the sluts right here!" The first guy apologised but Margaret told him it was ok and that she was indeed a slut.
It didn't take long, and they were fucking all her holes her like crazy. A lot of the time she was taking a cock up her cunt and arse at the same time and I was joining in on the fun. It didn't take long before we all just got used to fucking her at the same time.
One of the guys, Steve had a massive and thick cock. Not that I had previously seen other guys naked for a comparison, but Steve was huge. They all held back from cumming for quite a while. As soon as they were close to cumming, they would pull out and let another guy in. After a while, Steve managed to slide his cock into Margaret's arse. They guys complained that he would stretch it too much for the rest of them, but Margaret insisted he kept going.
At this point it was just after 5pm and I announced my wife would be home soon. Margaret suggested they should all cum inside her and that was all the encouragement they needed. Everyone wanted to blow in Margaret's arse, which she was happy with.
As the guys were getting dressed, one asked when they could catch up with Margaret again and she suggested tomorrow at their workplace in the lunchroom. The guys were all excited and agreed that 1230 tomorrow would be great, and they would all fuck her again, but it could only be for an hour. Steve jokingly asked if it could be a regular daily lunchtime session. Margaret said that it sounded like a great idea and we should set it up. Everyone, including me was surprised at Margaret's response and she was serious!
After everyone had left, I was still as horny as fuck and fortunately, so was Margaret. I slipped so easily into her stretched arse and added another load into her. Margaret then went into the shower and I asked her about the planned daily gangbangs. She told me she was serious and asked if I was still ok with it. I said I was if I still get to fuck her. She assured me that would never stop but she craved cock all the time.
The next day on my day off I went to work at lunchtime with Margaret. Sure enough, all six guys were ready and waiting and fucked Margaret hard. At the end of it, one of them asked Margaret if she would spend a weekend with him and some of his mates in a shack on the river in a few weeks. He explained to Margaret that he had told his mates about her and they were all keen to meet her. Margaret smiled and replied "sure. Why not. How many guys?" The guy replied he wasn't 100% sure but upward of possibly 20. Margaret nodded and then asked the guy "so. What did you tell them about me? Did you tell them I was a cock loving cum slut?" The guy nodded and replied "yes. Kind of." Margaret just smiled and replied "well I am so that's fine. Organise it."
On the drive home I was excited as fuck. My quiet, demure mother-in-law is a total whore. We talked about the day and the planned trip to the river for a weekend. She said she was looking forward to it and found it exciting. I asked her how she would go fucking 20 or more guys. She then told me something that she asked me not to tell her daughters or her son. I said we already have a massive secret so she could tell me anything. Margaret told me that when she was younger, her cousin and her would have regular sex and when she was 19, she worked as a hooker for five years and that's how she met her late husband. This really stunned me. I went quiet for a while and she asked if I was ok. My only response was "that's hot!" She then said, "I knew you would understand."
Anyway, the regular gangbangs continued every day at the workplace for the next few weeks. After that, Margaret told my wife she would be spending a weekend on the river with some friends and would be home Monday sometime. My wife commented it would be good for her to get out of the house and to do something relaxing. Margaret smiled. I wanted to go with her.
When I got to work on Monday the guys were already chatting in the lunchroom. The guy that invited Margaret to the river was there and all smiles. He came up and gave me a hug and thanked me for introducing him to Margaret. He then continued the story he was telling the other guys before I walked in. He said Margaret was insatiable and fucked the entire weekend and that all up, 32 different guys ended up fucking her including four that she picked up at the local pub.
I asked who the four guys at the pub were. The guy replied "we just dared her to walk up to some strangers at the local when we were getting supplies and ask them if they wanted a blow job. Well she did without hesitation, and they ended up taking her out the back of the drive-through and fucking her. Hot as but we had to wait 30 minutes." The guys were then asking me if Margaret would turn up today at lunchtime. I just shrugged my shoulders as I didn't know but the guy talking assured everyone she would be, despite being 'absolutely abused and pounded' over the weekend.
I went out and did my work, with Margaret on my mind and wondering if I should have introduced her to this group. I got back to work at lunchtime and Margaret's car was already there. I rushed into the lunchroom. Margaret was already bent over sucking cock and being fucked. She was wearing a short black dress and a loose-fitting white blouse with no bra on. I pulled my cock out ready to fuck her but had to wait my turn. I slid into her arse and it was stretched big enough to easily fist. It was sloppy from the previous load of cum which I quickly added to.
After we all fucked her, I walked Margaret to the car and asked her if she was sore. "Yeah a little hun but I had a great time. Going up again in a few weeks if you wanna come?" She knows I wanted to go but how suspicious if I go up there with Margaret. What would my wife think, and would she want to go as well? Margaret and I constantly fucked each other, and I loved that she was such a slut and enjoyed gangbangs. It was like a childhood fantasy come to life. The negative was, I was too tired to fuck my young wife and what if she found out about her mother and I? I had to work something out and quickly as I enjoyed fucking Margaret and sharing her and my wife would never get into the same kink as me.