Shiori, who works as a secretary to the managing director of a major airline company, has had a crush on Yusei, the managing director who is also the CEO, for over six years. She has been keeping Shiori close to Yuushige, who thinks of her only as a "competent secretary," so that he does not find out about her love for him! She decides to resign from her job in order to put her feelings aside. He tries to dodge Yuushige's attempts to keep him around with a false reason, but Yuushige's attitude changes to be sweeter and sweeter...? The start of the impassioned sweet office love between a top sergeant and a talented secretary!