Sayaka is a sexually frustrated housewife whose husband rarely talks and is always busy with work. But she soon finds an antidote to her loneliness and boredom in the form of a door-to-door salesman in this erotic drama.

A female student falls for a senior, but the senior not really for her. He is willing to go to bed with her, but doesn’t feel love. The couple embark on a painful yet passionate experiment. Based on the legendary book by Kei Nakazawa.