'I am the best.' 'I am the best.'

Her half-sister, Judith, who was born as a lowly slave whom she usually looked down on, is the main character of this world, and she herself is destined to lose everything and get involved in forbidden alcohol and meet a miserable end! Arbella, who saw the future, decided that she would live a good life from now on…

“Gerard, if you want to get out of this place, hold my hand.”

"Tell me what you want to do I'll be responsible for the aftermath.”

Wouldn't it be better to keep the younger sister, who will become our future enemy, close by? But for some reason, she feels a bit proud when she sees the kid growing up. Will Arbella be able to meet her dazzling future as she wanted?

Camullita Empire's top magician and perfect princess, Arbella, falls ill with an unknown disease one day. On a night when she was writhing in terrible pain as usual, she dreams of her future. There's only one person laughing there, her step-sister Judith! How could a lowly slave-born girl like her dare to take away my glory?! Arbella even tries forbidden magic, but she eventually meets a tragic end. Shedding tears for a moment upon waking up from her dream, Arbella begins to make a plan to survive. 1. Keep her step-sister, who will become her future enemy, close by. 2. Obtain the guardian knight of Judith, who will eventually become a sacrifice for forbidden magic. Fortunately, the plan is smoothly executed, and the two of them are within Arbella's grasp...