Mr. and Mrs. Tachibana who moved to the marginal village in the mountains due to her husband's work. Despite her anxiety, her wife Ruri felt the joy of spending time with her beloved husband. One day, Morita, the chief of her village, visits her, and instead of greeting her, he treats her to tea infused with ruri grass, a medicinal herb that has been handed down in her village for a long time. As soon as she drinks, her body is deprived of freedom, and she is played with by Morita's desires and loses her consciousness. However, when she wakes up after a while, she doesn't seem to have changed at all, and she wonders if it was her dream...