No time to search for my own replies right now. Use the Search button and try "MMF" and posted by impposter. Those aren't the ONLY threads, but you'll pick up some quick pointers.  
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nysexycouple (Ben and ?), Nick and Tori (tour), Elle and her friend(s), ... others.

Hi there! Ben and his lovely girlfriends are available for this kind of fantasy fulfillment. We have great reviews and you can choose from a few different UTR girls to make your fantasy come true.  

Please feel free to get in touch via email