[Yu doesn't miss that change in expression --he's spent the last year trying to find a murderer, he's just used to paying attention to things like that-- but...he wouldn't be able to suss out a reason without pushing. For now, he just logs it away as curious.

"Most people can't see them," huh...that's an interesting thought. A little like Shadows, maybe. It makes him think about the TV world. Even though people could see that, most of them didn't think anything of it.]

Or maybe they don't even look. [A small shrug.] If people don't believe something is possible, they'll come up for any excuse to explain it away. Even something like spirits.