I read this story once. A married couple (30s) end up having the neighbour boy sleep over on the couch. The wife goes to the bathroom at night and sees the kid has a big cock and over a couple days they do the business. Husband installs video cameras in the house so he can watch. Then wife starts ‘dating’ the young neighbour.
It’s at least 3 chapters, one chapter the wife goes to the beach with the neighbour kid.
I strongly suspect that it was up on literotica but then the author took it down or something.
I’ve looked for it for ages, searching every tag I can think of and just can’t find it, I know it’s a long shot but just thought I’d see if any of you Reddit detectives remember it.
Thanks in advance