Tensei Oujo to Tensai Reijou no Mahou Kakumei

Princess Anisphia is an unlikely hero with an unexpected talent. Refusing to accept the aristocracy's expectations of her, she develops a unique magical theory, "magicology". One day, Anisphia sees the noblewoman Euphyllia unjustly stripped of her title as the kingdom's next monarch. Anisphia decides to help Euphyllia, formulating an ambitious plan involving her and Euphyllia living and researching magic together.

Little did they know, that the impact of their actions would not only affect their futures, but those of the kingdom - and the world itself. The two ladies embark on a journey to bring back Euphyllia’s rightful throne, while uncovering the secrets of the magical world.