Passionate Shinobu is the advertising manager of a certain company who is good at both work and sex. When she returns to her office after a business meeting, a young employee is working overtime. The next day, she sees the president of the company making out with his secretary and presses him for a promotion. The next day, the president of the company sees her making out with the secretary and presses her for a promotion, seducing her and satisfying her sexual desires.