Maria Nagai, a 28-year-old wife in her third year of marriage, is a beautiful and清纯 graduate of an art university with hidden large breasts. Her husband, a professor from her university days, is 20 years her senior. Whether he's an artist type who is a genius or just a pervert, it seems he has some twisted sexual preferences, giving pleasure to Maria's body. However, as her husband approaches fifty, the frequency of their activities decreases. Left awakened physically, Maria is left with unfulfilled desires and, out of frustration and curiosity, decides to debut in the AV industry.
