The Magical Revolution of the Reincarnated Princess and the Genius Young Lady, Vol. 6 (manga)

Algard Von Palettia, the prince of the kingdom of Palettia, is Anisphias brother and the sole inheritor to the throne. But in a kingdom where royalty and nobility is determined by ones aptitude with magic, Algard has grown disillusionedwith his sister, with magic, and with the world. The two siblings shall finally clash in a battle over their hope and despair for the future!