Jun’ichirō Tanizaki’s 1956 masterpiece, ), a marriage is both preserved and destroyed by the act of writing. The novel is a chillingly detached psychological study of a middle-aged professor and his younger wife, Ikuko, who communicate their most depraved desires through parallel diaries they "accidentally" leave for one another to find. The Mechanics of Deception

The protagonist's inner turmoil deepens as he becomes more and more consumed by his desires, which are inextricably linked to his fascination with the idea of his wife's infidelity. He starts to manipulate situations to encourage his wife to develop a relationship with a younger acquaintance, S..., all while maintaining a veneer of detachment and rational curiosity.

Searching for a PDF of The Key because you want pornography will lead to disappointment. Tanizaki is not interested in describing the act of sex; he is interested in the mechanics of desire .