I Was Possessed by the Mad Lady's Body That I Serve!

In the grim, opulent halls of the ducal estate, Bella's existence was a living nightmare. As the lowest-ranking servant, she bore the relentless cruelty of her masters with silent endurance—until a shadowy, veiled assailant sent her hurtling from the rooftop, plunging her into oblivion. Yet death was not her fate. When consciousness flickered back, it was not within her own broken form, but within the fragile, fevered body of the duke's own daughter—a young woman long confined to her chambers by a mysterious, wasting illness and rumored to have lost her wits. Now wearing the face of her tormentor's heir, Bella finds herself armed with an unexpected and dangerous weapon: the authority of nobility. She resolves to wield this new identity to unmask her would-be killer and exact a chilling vengeance upon those who wronged her. However, her quest for retribution is complicated by a looming political union—her new father has already pledged her hand to the monstrous Count of the Stuel kingdom, a figure of terrifying legend. With enemies closing in and her own sanity teetering on the edge, Bella must navigate a treacherous web of deceit, all while maintaining her masquerade long enough to survive the altar and claim her revenge.