[It's easy to fool Raimei on her best days if you're trying to keep something hidden from her, and this isn't one of her best days by far. She totally misses any nuance there might be for her to pick up on that'd suggest there's more beneath the surface.]

That's the sort of thing any good ninja would say just then, [she says slyly.] You sure you're just a businessman?

[Ironically, although she's awful at picking up on subtleties, his cover happens to be exactly the sort of cover that was used to hide secret ninja connections on her world. Raimei doesn't think it's a big deal. He probably doesn't actually have secret ninja connections if nowhere else has the world of Nabari. She's really just teasing, here, because it sounds so familiar to her ears. But--]

Everyone has to be hiding something, don't they?