Even in modern Japan, maybe the old superstitions still lurk up and prickle in one's mind? The dark tree nudges at the building in the middle, just as perhaps something nudges at her. Of course the color palette is stylized, almost like a book cover, and is obviously very hip, so maybe she does not need to worry. You're very attuned to your time and place as an artist. People are right to recognize something enduring in your art.