The main character, who worked every day like a corporate slave, woke up one day to find herself as "Lady Christina," a noble lady of another world. According to the memories she inherited from her new body, Christina was an evil woman riddled with red flags! Warned by the prince that this is her last chance to redeem herself, she is even forced to live with the duke's son to prevent her from causing any more harm. The duke's son is seeking an excuse to execute her, so Christina resolves to work hard to avoid further tarnishing her reputation. However, it appears there are other reasons why he wants to keep a close watch on her... Immerse yourself in the romantic fantasy between a former villainess, who has committed every conceivable sin, and the vigilant duke who has his eyes on her!