Is she being mugged? Or trying to buy something illicit?
Your guess is as good as the other. She could even be standing behind a big crowd, picking their pockets and the speech bubble is from someone who spotted her. Trying to view Karasusou Nano's other posts to get an idea of what kind of situations characters are usually drawn in, but I got no idea. The artist just seems to wish to draw Daiyousei with a fearful facial expression according to some commentaries and replies.
