the story begins with woman, a wife and mother, waiting at a bus stop at night. a strange man shows up and they have sex in the bus station. he calls his friend and takes her to his house and the two guys fuck her in the garage. i think the second mans wife was there and she didn’t approve of the woman being there. then the guy brings her into a room in the house and it ends being his daughters room, who is friends with the womans dauhgter. there she see photos of both daughters naked. she confronts her daughter about it the next day and her is very casual about it.
that’s about as much as I remember. it’s been a few years since i read it. I’m pretty sure it was on asstr.org