Tensei Oujo to Tensai Reijou no Mahou Kakumei

Anne-Sophia, the Princess who remembered her previous life at a young age, as well as her old self’s intense love of magic, set off to live out her fantasies in this fantasy world. One day, during a magical mishap, she stumbled upon a scene where her brother Algard was breaking off his engagement to his fiancee, Euphilia. What nobody could have foreseen is that this strange meeting would end up changing the course of history.