"No, it's quite rare for you to show up in a place where you might be noticed. Well, fortunately, it seems like there's no one nearby, so I don't mind. ...So, what's the purpose of showing up all of a sudden?"
Glancing around, Albert sighed before asking. He had no intention of mocking her, but his unconscious reaction was simply a response to her abrupt actions. Of course, since he usually spoke casually with her without unnecessarily lowering himself, it was just a matter of business as usual.
And the reason he glanced around might have included a slight sense of guilt stemming from the anxiety about not arousing suspicion and the guilt for having sold his soul to the Devil. Whether he accepted himself for being admired as a Hero by lying to those around him or whether he felt disgust towards such self, it might have transformed into a form of atonement.