If they take their time and don't rush into it dick-first it could be a fairly natural pairing. As long as they don't go down the "they're both main characters and are therefore fated to bone" path

Oh god, I can see it now. And it is glorious.

Jaune: "It was a good plan, Cinder. But you made one fatal mistake."
Cinder: "Oh? And what would that be?"
Jaune: "You pissed me off." proceeds to point at Cinder
Stand!Pyrrha: "PYRRHARARARARARARARARARARARARA!"