This female employee has an outstanding body with firm breasts and buttocks, but she is not good at her job and her boss never scolds her, which makes her masochistic. Before Kokoro knows it, she has a physical relationship with her boss, and as she is constantly being blamed, scolded and violated, her pleasure begins to arouse. She enjoys her boss's training sex with her, covering her fine body with semen, and feels so much that she trembles, becoming a good sex slave.