The Male Lead Is Trying to Change the Female Lead

She ended up possessing the body of an extra named Luberia, who is barely mentioned in the story. And right in the tragic novel "Emperor Caesar," full of wars and disasters, where the protagonist sacrifices everything for the love of the hero and everyone ends up dying! She planned to live discreetly and hide her strength... But the male lead, Caesar, keeps looking for her and even proposes marriage, saying he wants to keep her around. Luberia doesn't want to meet the same tragic end as the protagonist, so she tries to avoid Caesar at all costs... But due to Caesar's intimidating appearance and assertiveness, before she knows it, she ends up engaged to him. Will Luberia manage not to fall in love with Caesar and survive until the end? (Source: Kakao Entertainment Corp., translated)