"Huh?"

Firo blinks as his brain catches up with those words. Sato says it so mildly that it takes a second for the full implication to hit him. But hit him it does, and there's a very clear widening of his eyes that he doesn't catch in time to hide.

Shit. Does he know? Did he really ask Nick what happened?

He frowns and slips his hands into his pockets. Look at him, all relaxed and not at all suspicious! Or, well, pretending to be. "Thinking about what during the fight?"