A "ghost mansion" on the outskirts of the imperial palace of the great power, the Tserbakia Empire - the Palace of Verdant Greenery. In this dilapidated mansion lives Euselica, the fifth princess, who was abandoned by her father, the emperor. With her mother now dead and no backing, she lives frugally every day, working hard to manage the estate her mother left behind. One day, the emperor suddenly announces that a competition will be held to select the crown prince. Euselica is surprised, but thinking that if she becomes emperor, she can get revenge on her father who had neglected them, she decides to run for the competition! The condition is to "build up the resources in three years and enrich the country." The era of building wealth through military force is over. With this in mind, Euselica sets her sights on human resource development and decides to carry out "a certain plan"... The story of an abandoned princess's dramatic reversal and rise to power begins here!