"Buta Hime-sama" centers on Princess Lottie, a young noblewoman whose life takes an unexpected turn when she is cursed to transform into a pig. The curse is the result of a magical mishap involving a jealous sorceress, who seeks to undermine Lottie’s royal status and beauty. Despite her new appearance, Lottie retains her intelligence, wit, and determination, refusing to let the curse define her. The narrative explores her journey to break the curse while navigating the challenges of her altered identity.

Lottie’s transformation forces her to confront societal prejudices and the superficial values often associated with nobility. Her relationships with those around her evolve as she learns to rely on her inner strength rather than her outward appearance. Key characters include her loyal maid, Marie, who remains steadfast in her support, and Prince Alaric, a childhood friend whose feelings for Lottie deepen as he witnesses her resilience. The sorceress, Lady Seraphina, serves as the primary antagonist, driven by envy and a desire for power.

The plot unfolds through a series of trials and adventures as Lottie seeks a way to reverse the curse. Along the way, she encounters magical creatures, rival factions, and hidden truths about her kingdom’s history. The story balances moments of humor and lightheartedness with themes of self-acceptance, perseverance, and the importance of inner beauty. Lottie’s growth as a character is central to the narrative, as she learns to embrace her true self and challenge the expectations placed upon her by society. The series concludes with a resolution that ties together the emotional and thematic threads, offering a satisfying conclusion to Lottie’s journey.