Haruka works at a securities company and meets a man named Kurokawa at a local café, who asks her for advice on asset management. After hearing him out, she later visits Kurokawa's apartment. However, what Kurokawa truly desires is not financial consultation, but rather a different plan aimed directly at her. His intentions become clear as he seeks to awaken the sensual side of this young married woman. The atmosphere of the moment and her changing expressions deepen the unfolding story.