Although She is a Failed Princess, She is Loved by The Grand Duke in this Life

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.

Although she is a loser princess, she is loved by His Imperial Highness the Grand Duke in this life ; ハズレ王女ですが、今世は大公殿下に愛されています ; The Cast-Off Princess Finds Love with the Grand Duke in This Life ; Hazure Ōjo desu ga, Kon-yo wa Taikō Denka ni Aisareteimasu