Kanojo ga Koushaku-tei ni Itta Riyuu

Reborn into the pages of a novel she once read, Rinko Hanasaki finds herself as Raeliana McMillan, a character destined for a tragic end at the hands of her fiancé. Refusing to accept this fate, Raeliana seeks to untangle herself from this doomed engagement. Her survival strategy? Forge a new alliance with the enigmatic Duke Noah Wynknight by becoming his fake fiancée. However, navigating the treacherous waters of high society and the duke’s secretive nature might prove as perilous as her original fate.

As Raeliana delves deeper into her new role, she must use her knowledge of the novel’s plot to her advantage while keeping her wits about her. Every step she takes draws her closer not only to altering her fate but also to uncovering the true intentions of those around her, including the mysterious duke. Can Raeliana rewrite her story, or will her past catch up with her?