Erotic Ghost Story (1990)

Three vixens have meditated for 1,000 years to able to shed their animal natures and become human. For the final month of their rigors, they have moved near a village where women pray to a god of fertility. One sister visits the god's temple and thinks lustful thoughts. As she leaves, a priest confronts her, warning of dire consequences and of demons that will try to stop the vixens' transformation.