Lariette, a princess from the Blanchett family, received a terminal diagnosis of three months to live. Fueled by the ticking clock, she decides to indulge in some wild activities, such as moving in with her unaffectionate, older fiancé and dating the monster duke, Asrahan, for a limited time. However, Lariette discovers a shocking truth when she attempts to flee from Asrahan – her life expectancy was never short. Asrahan reminds her of the repercussions of her attempted escape, leaving Lariette to grapple with the aftermath of her choices and the consequences of her deceit. The manhwa chronicles Lariette’s journey as she struggles to reconcile with the impact of her actions on those around her, and the storyline includes various twists that captivate readers.