Tekikoku ni Totsuide Koritsumu En desu ga, Douyara Watashi wa Saikyoushu no Majorashii desu yo?

As both a princess and the strongest mage leading her kingdom's knight order, Katia has earned the unwavering trust of her people by fighting on the front lines every single day. But suddenly, as a consequence of her older brother's monumental blunder, she is forced into a political marriage with the Emperor of the Zardein Empire—a nation of beastmen known for their deep-seated hatred of humans.

Sacrificing her own happiness for the sake of her citizens, Katia breaks things off with her beloved fiancé and travels to a strange, distant land. Upon her arrival, the Emperor is already lying in wait for her...

Little do they know, this princess is actually a "Witch" harboring catastrophic, ruin-level power! Get ready for a thrilling, wildly satisfying fantasy where an overpowered heroine completely dominates!