OL Hunter: Onna Nakase no Yubi(1986)

An office lady who works at a department store, is having an affair with her boss, but she feels empty inside. One day, while she was on her way home, she heard the sound of footsteps and felt the eyes of a stalker on her. She rushed home, but contrary to her feelings of anxiety and fear, she felt a strange joy. The next day, she went out in a bold outfit to attract her stalker.