A strange creature lives in the human world. When the balance between humans and youths and the separation of their lives is disturbed and the human world is disturbed, the "guards of the treasure wall" are destined to fight... Oriko, a shrine maiden with a vast amount of "vessels" that allows even gods and demons to descend, is taken over by the revived ancient documentary demon, Yomi. The treasure wall, the trump card that defeats all four eyes, has fallen into the dark land. Oriko's elder brother, Seishin, is forced to pull out the soul from Oriko's body and pull it into her own body to seal it, but seals it with Oriko's body...!?