[He's such a good boy scout... Hilariously, this just makes Okuni secretly suspicious of him because who is this good of a boy scout in the real world? She looks down at his hand, considers taking it if only to yank him into a puddle or something in the future, but decides that no... not this time. Instead, she shakes her head.]

I'm always careful. Besides, if you end up falling down, then I'll be pulled along with you. [But she has full faith in his abilities, of course.] You can lead the way instead.

[she's not sure what sewer lines are by Atsushi sounds like he knows what he's talking about SO]