: The title reflects the director's career-long interest in "immoral" relationships that challenge societal norms, often portraying characters who reject the rigid structures of post-war Japanese society. Legacy of the Work

The "indecency" referenced in the title operates on two levels. On the surface, it refers to the explicit nature of the affairs. However, the deeper "indecency" is the protagonist’s moral apathy. He is a man disconnected from the post-war economic miracle of Japan, drifting in a haze of longing for a past that may never have existed. He uses women as anchors, attempting to ground himself in the physical world because the emotional and economic worlds have failed him.

Given the hospital setting, the story often blurs the lines between clinical procedures and eroticism, a common trope in the subgenre of "medical pink films."