Demons and angels! I've seen a few possessions as well. It's kind of hard to fake possessions, demons and other stuff when there's proof all around you back home.

[Or they're chasing you for your life.]

Amane even get possessed by an angel, so that's like an extra point in her favour.

[Even if he's all (unsure) about Remiel and the Kingdom of Saints vision.

But then...he sounds like he's talking about everyday things instead of actual demons in Tokyo. The subject is broad enough, unless it get narrowed into certain subjects.]