A parody of Aim for the Ace! (エースを狙え Ace wo nerae!?), a tennis manga. Similar characters to that in the manga include "Madam Butterfly", a rich snob of a professional tennis player, and Hiromi, her suffering opponent.
The film takes place in the popular tourist spot of Karuizawa. A working class student named Junichi becomes a waiter there in order to mix in with the upper classes. A stylish Roman Porno directed by Konuma, commemorating Nikkatsu's 70th anniversary.
Yoko is a housewife who's frustrated by her husband's lack of virility. She finds solace in erotic daydreams, the ministrations of a condom salesman and, eventually, the partner-swapping lifestyle.
A frustrated married woman has to deal with her husband's frequent business trips. One day, she decides to turn her home into a boarding house to attract young men.
A young man is determined to have as many affairs as possible but not to get married. One of his conquests is of a different mind however. For she is pregnant and so he agrees to live with her. But he misses very much the other younger girl whom he saw a lot of, and with the older woman's consent, sees the younger one and on her request, asks her to move in with them. This is the beginning of a very strange triangle which they all live through to a not unhappy ending.