Arbelra, the most powerful mage and perfect princess of the Camulita Empire, one day falls ill with an unknown disease. During another night of excruciating pain, she glimpses her future in a dream. The only person smiling there is her half-sister, Judith! A lowly slave-born girl daring to steal her glory? Desperate, Arbelra even attempts forbidden magic but ends up meeting a tragic fate. Waking up, Arbelra refuses to accept such an unjust end and devises a plan to survive. 1. Keep her future enemy, Judith, close. 2. Gain control over Judith's future knight, who will become a sacrifice for forbidden magic. Fortunately, everything goes according to plan, and she successfully captures the two... but why are they constantly following her? "I'm your enemy, you know!" Can Arbelra truly survive? Monster Princess