Zenshin seikantai: Chôinran onna (1994)

A story depicting the encounter between a traveling health driver who delivers prostitute gals and the woman who works there, and the subtleties of their minds and bodies. One day, a traveling health driver picked up a strange girl who was hungry. He was fascinated by her beauty and trained her as a prostitute. Although he was attracted to her hard work, he continued to work with her as a member of her staff. However, when she moved to an exclusive club and they no longer met, she realized that there was a hole in her heart...