Your name is Kaiyinji Emi. You are the only survivor of a massacre and a well-known old unlucky man in the magic world.
Born to be frail, with 0 spell power, and carrying a prophecy... There are thousands of rumors about you. But carrying the strong love of your relatives, you are still living strong.
But at the age of 18, when you thought you were the happiest, your fiancé defected to the magic world with great fanfare, and by the way, he made your sister and brother disappear physically.
Unlucky things happened one after another. After losing the person you loved most, you were forced to be bound to a husband - the famous foul-mouthed Daiou Zenin Naoya.
At this sad moment, someone tells you that your sister is not your sister and your brother is not your brother. Should they actually be considered your descendants? !
Concept: Love is the most powerful force