The Shortage of Sayonara

The young couple has been together for a year. The young woman is so beautiful in pictures of Utamaro. And even though she goes out with other men, she remains loyal to him on her term while he tries to deal with his jealousy. But more and more questions arise. What about sex As the woman, must she submit to the man? How does it feel to him? What kind of relationship is that anyway? Is it Friendship Plus or Real Love? Both try to communicate with the other, to understand him while remaining true to themselves.