Chapters 3 to 12 of the light novel detail the world-building of the kingdom's nobility and the tragic past of the heroine, Lidel, whose memories resurface within the current heroine, Juliet. The narrative begins by establishing the kingdom's hierarchical structure, including royal titles like King Kainstur and Queen Quinia, and noble ranks from Duke to Baron, each with specific prefixes and honorifics. It also outlines the roles of various household staff, such as maids, butlers, and governesses, and the distinct uniforms and ranks within the Royal Knights' Order.
The core of these chapters revolves around the protagonist, Juliet di Glenwalsher, a sixteen-year-old daughter of a viscount. Juliet has lived a sheltered but happy life, unaware of her past. However, shortly after her sixteenth birthday, she experiences a sudden influx of memories, recalling her previous life as Lidel la Silfiliia, a princess of the Kingdom of Effilante. Lidel was a frail and reclusive princess who harbored a secret, unrequited love for Oscar di Aring, the esteemed Count of Aschen. Despite her weak constitution and social anxiety, Lidel was married to Oscar, a man who secretly harbored reservations about the union, having been compelled by the King. Their marriage was marked by Oscar's emotional distance and neglect, leading to Lidel's profound unhappiness and isolation. She bore him a daughter, Emilia, but their relationship remained strained. Tragically, Lidel died at seventeen, ambushed by bandits while en route to a villa.
Juliet's regained memories reveal the full extent of Lidel's suffering: her unrequited love, Oscar's coldness, the societal scorn she faced as the "lost princess," and the devastating realization that Oscar married her for political gain and never truly loved her. The narrative highlights Lidel's attempts to please Oscar, her creation of a sword belt as a gift, and her eventual discovery of Oscar's affair with a woman named Charlotte. The climax of Lidel's past life is her desperate attempt to protect Oscar's honor by committing suicide with the very dagger he gifted her, preventing her capture and potential dishonor by bandits.
Upon regaining these memories, Juliet, now inhabiting Lidel's former body, is deeply affected. The story then shifts to Juliet's present life, where she encounters Oscar and Emilia, her former husband and daughter, who are unaware of her past. Juliet struggles to reconcile her current identity with Lidel's painful memories, particularly her lingering feelings for Oscar. The chapters establish the complex relationships between Juliet, Oscar, and Emilia, hinting at future conflicts and emotional turmoil as Juliet navigates her dual existence and the unresolved tragedies of Lidel's past. The world-building elements, particularly the intricate social hierarchy and the role of magic (implied through the goddess's intervention in reincarnation), lay the groundwork for the unfolding drama.
