I do so love this universe. (If you missed the others, they're all tagged so they're easy to find.) And now I've pretty much got no excuse for not fleshing it out and making it a huge project, since this drabble started out at 176 words. I cut out the first 77 words, added a couple, subtracted one, and ended up with what you're seeing here. (That's why it has a summary; to get across the important parts of what used to be in those 77 words.)
Oh, and also, by the way, if you're picturing this universe, you're of course supposed to be picturing Sam about a foot shorter. JP is just inhumanly tall, and impossibly tall for a transguy. I mean, really. He's huge. o_o (And actually, I was rewatching the XF ep "Demons" the other day, thinking about how tall DD looked next to GA, and when Mulder started having visiony things, I decided there needed to be a crossover. If only because they'd actually have fit together on the screen without boxes if they'd tried, lol.)
Anyway. This is not that crossover. Here's the actual story: