On the 15th year of her marriage, amateur housewife Chiho arrives at an unfamiliar place with a nervous expression. At 38 years old, she has finally awakened to the pleasures of womanhood—a late-blooming nymphomaniac. Troubled by nearly ten years of sexless marriage, she turns to dating sites in search of a new man. Her first sexual encounter opens her eyes to female pleasure, and from then on, she becomes increasingly driven by excitement and sensation. Her passion grows deeper each day, her sexual desire burning stronger and stronger...