Many people in this world possess commonplace magical abilities. These are usually things that make their lives a bit more convenient - such as the ability to make a small flame, or to heal slightly more quickly than usual.

But the brilliant young lord of Seeker Castle has a little sister with incredibly destructive magical powers, which he uses to kill anyone who threatens his territory. Also living with the lord and his sister is a boy whose powers are still a mystery. Thus unfolds the story of their intertwined destinies...