The Shiratori sisters, Miko and Take, exorcists, visit the village of Ayakami, the site of their final training, together with Tachibanaki Yamato. Their mother Hatsune sealed the oni’s factor, “Wa,” hidden inside Yamato, with a technique that uses her own alluring body as bait. But “it will hold for a few days at best…” To seal the oni for certain, the great spiritual power of a “harami-ko” is said to be required. With resolve in their eyes, Miko and Take surrender their young bodies to the repulsive insects…