Nanami Hirose has a body that drives men wild, and despite her desire to work honestly, she is constantly propositioned by superiors and executives to become their mistress. Though she wants to focus on her job, she is overwhelmed by their desires. While checking the president's daily schedule, she performs a vacuum blowjob under his desk. As the president nibbles on her nipples, he realizes her body can be a business asset. Leveraging her position as his secretary, he believes using her charms will ensure successful client entertainment. First, however, he wants to experience her allure for himself.