The Magical Revolution of the Reincarnated Princess and the Genius Young Lady, Vol. 2 (Novel) - Piero Karasu

A RIFT IN THE ROYAL FAMILY! With the help of her assistant--the genius young lady Euphyllia--Princess Anisphia has successfully subdued the dragon that attacked the Kingdom of Palettia. Nonetheless, the furor over Euphyllia's canceled betrothal continues. To make matters worse, Anisphia discovers a devastating secret about Lainie, who holds the key to the prince's strange decision. And that's not the only secret--it's just the beginning of a grand plot enveloping the entire royal palace!