Euphyllia Magenta is stripped of her place as the future monarch of Palettia in a single humiliating night, publicly accused of bullying a commoner-turned-noble by her own fiance, Prince Algard. It's Princess Anisphia, infamous for magic she can't perform and inventions she builds instead, who pulls Euphyllia out of disgrace, inviting her into a shared life of 'magicology' research that will end up reshaping the kingdom.