I think it's flounder!

[Tsuzuki holds both his hands out for the cats to sniff, offering cautious ear scratches to the ones who seem comfortable with it.]

Well, sort of like shinki.

[More like ayakashi, actually, but that seems kind of rude to say right in front of all of them. These cats seem perfectly willing to be nice, anyway.]

Regular cats are just cats, though most animals are pretty good at seeing the dead.