They are not known by people, but they watch over humans. They are cities. Cities are also conscious. They do not appear and have never appeared before human eyes. Yokohama is also a member of urban consciousness.
Since the Dragon Head War, it has been hovering on the edge of getting angry. Why don't either of them let it worry about it? And the book, this terrible thing, can it not throw it to Fuyuki.
Yokohama personification, no CP
Intention: Yokohama is still teetering on the edge of turmoil