Julia Robinharts possesses a rare skill - the ability to communicate and sense the presence of ghosts, which she has turned into a lucrative profession. She strongly believes in using supernatural occurrences to earn a profit. When she was approached by a distressed person struggling with a spirit, Julia offered a talisman to help. Unfortunately, this individual turned out to be the powerful Leo Sirius Epesia who didn't pay her for the item. Instead, he proposed to marry her in exchange for it. Although hesitant, Julia finally accepted the offer to become the Duke's personal ghost hunter, tempted by the generous compensation on offer. For her, financial gain was more important than the prospect of an unfulfilling marriage.