I think it was called Data trap

[Guest Kuro]

Dead sure it was a Digimon fic, and thats it, called Data trap, lots of pairings, all sorts of tags, sort of thing you'd remember.

[RogueMudblood]

Here ya go!

http://anime.adult-fanfiction.org/story.php?no=600051458

found it in Promote A Story