Hazure Oujo desu ga, Imayo wa Taikou Denka ni Aisarete Imasu

Synopsis

Poisoned by her lover, betrayed by her best friend, Saphir died knowing Crown Prince Felix never loved her. But death wasn't the end, she's reborn on the day everything went wrong. This time, she'll play the game better. While pretending to be the same naive girl, she's ten steps ahead: exposing backstabbing friend Talia, dodging Felix's lies, and discovering that dangerous Duke Leander might be her salvation. Revenge is a dish best served with a crown.