Sabishii hitozuma: Yoru naku nikutai (2005)

Akemi lived with her mother and her younger sister Kyoko—a university student—while steadfastly waiting for the husband who had vanished three years earlier. Yet, unable to suppress her physical urges, she invited Taguchi, a salaryman who had approached her in town, to a hotel and ravenously gave in to her desire for him. Akemi harbored a secret longing for Otsuki, the owner of a local antique shop; in his presence, however, she felt no sexual impulses...