Sato Yui (Matsui Airi), a temporary employee of Amagi Pharmaceutical, was drinking in a bar because of the grief of her beloved dog's death. She had an argument with a man who came to talk to her. Unexpectedly, the man was the company's president Amagi Kyoichi (Hayamichi). The next day, Yui was called by the president and came to the office with the thought that she was fired. But Amagi said to her, "Please treat me as a slave."