Kanna lives a simple but happy life with her mother in a rural village. However, everything changes when her mother brings home a man. This man, who now lives with them, disappears into the barn every night with her mother, not returning until morning. One day, when Kanna returns home, she learns from the man that her mother has abandoned her, selling her off and running away. Confused and distraught, Kanna is then dragged into the barn...