Grandeur Oukoku Saiseiroku: Hametsu no Akuyaku Oujo desu ga Kyuukoku End wo Onozomi desu Rebirth of the Grandeur Kingdom

Synopsis

Mari, a former management consultant, reincarnated as the villain princess Violetta in the otome game Grandor Koi Revolution. If I proceed according to the scenario as it is, I'll be executed... I absolutely hate that ending! So I changed my ways and started to move for the sake of the people and country. But one change from the kingdom's former consultant and the entire kingdom is changing before I even realized it?! (Source: Kadokawa, translated)