The Yamaura family has been prosperous, with girls with predictive talent appearing for generations as the head of the family. When Yoriko was found to have a talent for precognition when she was young, she has been spending her days proclaiming for her house deep inside the mansion. One day, Yoriko, who met Juso, the head of a war-damaged orphan, decided to leave her imprisoned life-- !? The legend of a girl called "The Witch of the Black Market"