Fortuitously enough, just as she stands pondering, a suitable someone emerges from the main Abacus building by a ground-level side door. (Why not the main entrance? Who knows.)
He's a little scruffy, a little shabby, and more than a little preoccupied. On the other hand he's not on his phone, and while he's somewhat older than Hana, he doesn't give off any obvious creeper vibes. He catches her eye as he rounds the corner, and ducks his head a little in a reflexive, don't mind me kind of move.