Reed-Plains?

It's the same as the Earth.

...In modern language, I mean.

Although Takamagahara, or "heaven", is also on the Earth... there's a difference.

Or rather, that "impurity" might've become the youkai known as Seija.

That torn-off or whatever wing took your form again

and appeared in front of Seija.

'The nue' is just myself, though.

I told you, not so much me as 'the amanojaku'.