Akira Kirihara, a genius surgeon, is suddenly reborn as Chiara Bellworth, the protagonist of "Cinderella's Engagement." In Chiara's world, injuries were cured by magic power, but those who could not be cured by magic power were abandoned. After providing first aid to Prince Cecil's follower, Chiara is favored by the prince, who wants to revamp the country's medical system, and he proposes to her. With the prince's backing, she performs surgical procedures on patients who cannot be cured by magic. At first, the prince and Chiara are like partners, but they gradually become attracted to each other.