Princess Euphemia possesses the greatest magical power, talent, and beauty in her homeland, but her arrogant demeanor has earned her the scornful title of villainous princess. Her life takes a devastating turn when she is betrayed by her fiancé and her own sister, leaving her for dead. She narrowly manages to escape with her life, but the trauma and magic involved in her escape transform her into the body of a young girl and transport her to a distant, unfamiliar land.

In this vulnerable state, she is discovered and taken in by Albert, the emperor of another nation who is notoriously rumored to be a cold-blooded and ruthless ruler. Contrary to his fearsome reputation, Albert treats the amnesiac princess with unexpected kindness and smothers her with affection. The story follows Euphemia as she navigates her new life in the imperial court, hiding her past identity while being doted upon by the emperor who does not recognize her as the former princess.

The central conflict arises from the dramatic irony of Euphemias situation. She retains the memories and pride of a grown woman who was betrayed, yet she is trapped in the body of a child, unable to immediately reclaim her power or enact revenge. Meanwhile, the emperor Albert, who shows a tender and devoted side only to her, remains unaware of her true origins. The narrative primarily unfolds as a romantic comedy where a single-minded, devoted cold-blooded emperor dotes on a former villainous princess who has never known genuine love, leading to a series of heartfelt interactions and misunderstandings. The story is set in a fantasy world of kingdoms and empires where magic and political intrigue intersect. Early narrative arcs establish Euphemias betrayal and transformation, her initial rescue by Albert and her gradual domestication in his palace, and the slow-burning development of her feelings as she reconciles her past desire for revenge with her new life of comfort and unexpected affection.