[ Daniel replies with a slight hum, his hand moving to lightly twist the wedding ring around his finger as he thinks. At least the last part isn't too much of a surprise when Daniel has some people say very odd things about their worlds. Things that are way different than in his own.

Seems like Kaneki is stuck in the nasty position of having something unique in his world that doesn't exist anywhere else.. as odd as that idea is. ]

And what exactly are they like? You said they were kind of like ghosts, but they must be a little different, if they have their own special term.

[ At least he's listening attentively! Look at all this dad-attention you're getting here, Kaneki. ]