[He makes a dismissive gesture vaguely "outwards", to indicate something away from them.]
The little furry flying bastards are in on the whole deal, [obviously] but trust me when I say you're not gonna make them talk. Believe me, you're stuck until they wanna let you go.
[It's kind of weird that Koryuu seems to be the only one, inbetween several demons, one angel, and AU!his uncle, to recognise the Usyagi for what they are.]