Aya is of a lineage of shrine maidens. Her mother (Setsuko) sacrifices her poorly performing younger brother (Tatsukuma) to raise Aya as a shrine maiden. Unaware of her true identity, Aya listens to her mother with some hesitation, but eventually her sense of self emerges and she grows into the village's shrine maiden. Although she is unconscious of it, she begins to show glimpses of her sluttiness in many places, which causes her to feel distant from the villagers. The more she suffers, the more her slutty sexuality begins to take control of her body...