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. But she can't use magic?! Well, then there's no choice but to develop it herself! Pursuing her dream wholeheartedly and unwaveringly, Anne-Sophia soon became rumored to be the biggest problem child in the entire kingdom. One day, during a magical mishap, she stumbles upon a scene where her brother Algard is breaking off his engagement to his fiancée, Euphilia. What is in store for the young lady, whom is unloved by magic, but loves magic?! (Source: Shousetsuka ni Narou, translated)