The protagonist suddenly finds herself reborn inside her favorite romance-fantasy novel—only to realize she has become the foolish villainess fated for a miserable ending after being engaged to the crown prince.

Determined to avoid her doomed future, she resolves to change the original storyline and carefully steer herself away from disaster. However, her plans take an unexpected turn when her father arrives with an engagement contract—not for the crown prince, but for the northern duke, who is actually the original story’s male lead.

As if that weren’t enough, the duke himself begins openly pursuing her, steadily dismantling every precaution she has made. With her survival strategy thrown into chaos, she is left wondering how to rewrite a fate that refuses to stay under her control.