Ayu and Taro's couple came to Tokyo from Osaka to care for their father-in-law. One day, Ayu borrowed a radio to relieve his boredom. Hearing news about a doctor's research saying, ``Women's bodily fluids, especially the love juices flowing from the genitals, can be expected to have a rejuvenating effect,'' his father-in-law thought, I summon the courage to plead with Ayu for sexual intercourse.
