A Villainess? What's that? Is it Delicious? The Doting Duchess Goes Her Own Way

I won the "Heartwarming and Healing Award" at the 16th Fantasy Novel Grand Prize! I collapsed from overwork and was reincarnated as a duke's daughter... But I had been reincarnated into the original novel where the otome game's villainess plays an active role. Knowledge of the otome game? It onl...