This will be quite long, so apologies if that does not float your boat.
A brief history before I really get into the real story. The woman featured here, Eva, is my ex. We were together for a year when we were quite young, broke up amicably and have been on and off FWBs since (if we are both single). I have heard that she met and had sex with this guy a while ago, but she didn’t want to talk about it at all (which I found odd, as she is usually quite happy to share any stories with me). All she said was that the sex was not that good, but I noticed she mentioned him again here and there. Eva is a brunette, with nice C cup breasts, decent but nothing special body, but with a very inviting and charismatic feeling about her, which makes a lot of guys attracted to her. She also has the wettest pussy I have ever seen, it is not unusual for her to be so wet that she literally drips or that her thighs are wet almost to the knees. Our other protagonist in the story is Adam, a guy she met on a vacation. I have never seen him in real life, but from the picture I saw he seemed like an average guy with a slim, slightly athletic body, average height and short dark hair. She says he is decently well endowed, slightly above average length but quite impressive girth.