Karen is a beautiful and talented office worker. She has been with the company for three years, and although the job is always difficult, she feels energized every day working with her boyfriend. However, there is one person in the office that she really hates, and that is the department head, Oki. He always bullies subordinates to relieve stress, sexually harasses Karen, and says extremely inappropriate things. Today, the department head invited Karen's entire team out to eat, even though she declined, he insisted that she had to go. He kept giving Karen and her boyfriend alcohol until they were both drunk. Taking advantage of the situation, the department head took Karen to a hotel and violated her. Despite hating this despicable department head, his penis truly made Karen climax over and over again. Her body gradually became addicted to his penis, craving to be fucked by it even more. Since that day, at the office, in the restroom, at the department head's house... Whenever he wants, he can have sex with Karen anytime!