Set in the legendary medieval realm of Saiunkoku, this narrative follows the journey of Shuurei Kou, a member of a once-aristocratic clan that has fallen on hard times. Although her father holds a respected position as a librarian in the Imperial Palace, their income remains insufficient, and Shuurei supplements it by working odd jobs and teaching at the temple school. Against all odds, she harbors a firm desire to pass the imperial exams and pursue a career in government, despite the ban on women in this field. However, her plans take an unexpected turn when the Emperor's Grand Advisor proposes an alluring opportunity - to become the Emperor's consort for six months, reside in the imperial household, and train the young Emperor in responsible leadership, with exceptional financial rewards at the end of it. The plot delves into Shuurei's relationships with the Emperor and the court, the complexities of imperial politics, and her relentless pursuit of personal growth and national betterment.