My Boss is the Villainous Grand Duke

Elena had been living a happy life as a supporting character, having been reincarnated as the young lady of the peaceful Count of Jellisto family. “From today on, our Jellisto family has decided to follow the Grand Duke’s house.” Then one day, she receives a shocking order from her father to serve Rudfelix, the Grand Duke who is the final boss among the villains in this novel. Directly assist the Grand Duke’s evil deeds? Isn’t the ending of this novel the Grand Duke’s death? Suddenly becoming the aide to the villain boss, Elena faces the greatest crisis of her life. However, her ordeal didn’t end there……. “Come to my bedroom tomorrow as well……” “……” “I’d like you to satisfy me like you did today.” The boss she’s serving seems strange somehow. Why does he keep calling me to his bedroom?