This would be interesting... I don't know how you'd want to rectify the vast differences in backstory. Perhaps make the origins of technomancers similar enough that they could effectively be called fae?
That is briliant! Hmmm...
First I thought about a single story, in 'by the book' [there is nothing by the book in] Changeling story. With few adjustments. Like aging [Youngling, Wilder, Grump]. But this one gives me yet another idea.
How about simply adding the changeling in SR setting. As Fey changelings. Think about it. In OWoD, they are really sneaky bastards. Mages that are specialized for 'assensing' have problems to distinguish them from mundane people, or mages... this is really tricky.
So I would assume that changeling do all the same they did in OWoD. Hide, and make people belive. As people who dream generate Glamour [it is simplified version]. The funny part is, there is magic all around us, so, are we not belivers?
Just like some angel said in Constantine the movie.
"You don't belive. You know it"
As this is completly different kind of magic, very potent for ilusion and mind controll [that is what corporates think], they are hunted down by specialized mages. So they hide, just like mancers do.
So I would take the story to extreame, where real coincidence are common. Think about a pack of:
Surge Changeling Mancer
Surge Changeling Fae Changeling
Metahuman Mancer
Metahuman Fae Changeling
Fae Changeling Mancer*
*Yeah,... that would breake some rules... world concepts... that would be the context. The real one that would spin the story...
