Mikano, a 26-year-old manager, is assigned as the company's internal productivity improvement leader, by the CEO. Bewildered by the CEO's sudden directive, she begins by identifying the tasks of the sales department, but is troubled by the resistance of many in the workplace, making it difficult for the project to proceed.

In the midst of all this, Mikano happens to meet a management consultant, and following his advice, she is able to properly assess the current situation. Mikano successfully streamlines unnecessary jobs to increase productivity, and introduce a new way of doing work, while persuading the opposing members.