[ID555]

Originally Posted by kimpleng

I don't get it when Kuroneko called Tamura Manami as "Belphegor" at first.
Is anyone could explain this?
All I know, "Belphegor" is name for certain demon.

Watch the bluray commentary for episode 6

Spoiler:

I believe she thinks Manami seduces Kyousuke (Kuroneko's impression after hearing about Manami from Kirino)