Shuurei Kou defies the expectations of her noble lineage, facing financial struggles despite her prestigious family background. To make ends meet, she takes on various jobs while her father works as an archivist. When offered a tempting opportunity to become the concubine of the lazy emperor in exchange for a substantial reward, Shuurei sees a chance to secure her financial stability. However, as she delves into the task of tutoring the emperor in governance, she rediscovers her ambition to become a court official—a dream hindered by societal norms that bar women from such positions. Balancing her desire to shape the emperor's rule with her own aspirations, Shuurei navigates a complex journey within the palace walls, where challenges and choices converge.