The Regret Novel Female Lead With Unbreakable Mentality

Giselle Florette wakes up in a grovel romance where the male leads and villains alike torment her until her ultimate death. To avoid meeting the same ending, Giselle decides to act out and show she's not one to be messed with. Little did she know, this would catch the eye of Duke Vientin Kallinos, the infamous "Bloody Mastermind," who proposes a contractual marriage. With her newfound audacity and unexpected supporter, will Giselle fend off those who wronged her and rewrite her tragic fate?