The moment she gets the sense that someone is following her, naturally she speeds up, ducking into the center to keep out of sight of whoever's on the ground.

At least they haven't joined her up here.

Eventually she reminds herself that no one here has ever done her harm, and stops to peer over the edge.

"Brotherhood?" She thinks back for a moment, pushing her mask up onto her braided head and then resting her arms on the rooftop, nestling her chin on her wrist. "No, I don't think I have." She drops an arm over the edge and gives him a little motion. "I don't think I've seen you around before, are you new?"