Sunderwick is a powerful bloodline of the strongest sorcerers. The recent generation of the family is two brothers, who from early childhood can never get along. But once they meet Yui. Whose magical powers will she complete? This is a story of complex love, bound by magic, hate and revenge. This is a story with no simple answers. This is a story about lust for power, envy and wickedness, but also about hope, innocent feelings and a desire to protect by sacrificing oneself.