Once the beloved heiress of the Hujiwara family, Mao gave up her name to live a humble life with her husband, Syohe Ito, working as a cleaner at Kurosaki Group. She saved the company from a financial crisis and secured a ¥20 billion deal for Syohe's birthday, only for him to humiliate her, credit the success to his mistress, and demand a divorce. Signing the papers, Mao swore to fight back.