[There is indeed a change in Izuku's countenance; not much, but enough to make him look not as nervous as he was. Whatever he's doing, it's working.]

[when Izuku asks his question, Fumikage hums a bit, bringing a hand to his chin.]

Well... based on what I know from various films and media... [???] ...it's often a toss-up. It could be anyone from a shifty-looking individual or someone who is a regular.