Her Royal Highness Seems To Be AngryOujo Denka wa Oikari no You desu; 王女殿下はお怒りのようです; Her Royal Highness Seems to Be Angry; Royal Highness Princess Seems to Be Angry; 왕녀 전하는 화가 나셨나 봅니다; 公主殿下好像很生气; 公主殿下貌似大发雷霆; 公主殿下貌似大發雷霆; Её Королевское Высочество Принцесса, Кажется Злая; Yang Mulia Tampaknya Marah; ท่านเจ้าหญิงกำลังโกรธอยู่

The Greatest Mage, Princess Leticiel, lost her life in a war and transmigrated a thousand years into the future. Angered by the regression of “Magecraft” in that world, Leticiel set out to develop it, much to her surroundings’ dismay. However, her actions would soon get her and the people she knew involved in a certain plot…