Tokyo: I am the Lord of All Demons!

Question: Do you know what it means when an exorcist walks into a police station to file a report?
This means that this ordinary world has become extraordinary.
Phantom of an Old House;
Late-night train;
An eight-foot-tall adult.
……
Everything.
It all stemmed from that pleasant afternoon.
-
[The Mastermind], [Dual-Handed Strategy], [The Source of All Extraordinary Abilities]