The story makes heavy use of real historical events and characters from all throughout Edo's history as well as occult phenomena such as onmyodo, Feng Shui, Kimon Tonkou, shugendo, kodoku and the evil eye.
The story makes heavy use of real historical events and characters from all throughout Edo's history. It also makes wide use of real esoteric mystical practices such as onmyodo, Feng Shui, Kimon Tonkou, shugendo, kodoku, shijie and the evil eye.