Oni - demonic creatures with horns and fangs - have been feared in Japan for more than a thousand years as a manifestation of disaster and misfortune. Oni come in all shapes and sizes and often make appearances at festivals, but they are far more than a simple representation of evil: In some regions of Japan, they are even regarded as guardian deities. The ambiguous nature of Oni reveals to our 2 explorers a uniquely Japanese understanding that nothing in life is black and white.