The Magical Revolution of the Reincarnated Princess and the Genius Young Lady, Vol. 4 (manga)

In slaying a dragon, Princess Anis received its curse-the transplantation of the dragon's knowledge into her own mind. Now, in order to put the curse to use for "a certain goal," Anis and the others must set off to find Anis's old friend, a woman known for her cruel and inhumane ways‿the abominable Marquise Tilty Claret.