Reincarnated As The OP Grand Duchess

In "The Last Winter," a captivating historical fantasy novel, our mc gets transported to the opulent courts of a fictional empire, where intrigue, power struggles, and hidden secrets abound. At the heart of the story lies the enigmatic figure of Grand Duchess Ariadne Lillianne von Albrecht, a character shrouded in mystery and overshadowed by the protagonists.

In a twist of fate, our mc of another world is reincarnated into the role of the neglected Grand Duchess, condemned to a life of solitude and neglect by her indifferent husband, the Grand Duke - Luke Augustus von Albrecht.

But the Grand Duchess isn't what she appears to be...Ariadne Lillianne von Albrecht- despite her outward appearance of fragility and submission, she possesses a hidden strength and resilience that sets her apart from the other characters. It seems that Ariadne is secretly overpowered (OP)?!

What's going to happen to our mc now? What kind of fate awaits her?