Eileen Monte was an illegitimate daughter of King Monte of Monte Empire , who was sent to Reagon Empire. She ended up in duke Guilliam's household as a foster child. Her step sister Leslie Guilliam betrayed her and took Eileen's position as crown Princess of Reagon Empire and killed her. She reincarnated back as an 8vyear old Eileen back in her real father's Empire, Monte to take back what's hers with the wisdom of her past