Thanks to her foolish twin brother, Seowon Han has found herself in a pickle—she must pretend to be him for six whole months to save his job as the company VP’s secretary. However, Seowon’s boss immediately senses that something’s not right. To make matters worse, why is the vice president’s biggest rival trying to get to know her? All she wants is to go on a nice vacation… Can Seowon prove her innocence and keep her secret safe amidst all this office drama? (Source: Tapas)

Seoseora, a master of disguise and detective for the Bureau of Royal Investigations, hides her true identity while solving cases. A royal decree declares Crown Prince Lee Seon, infamous for the deaths of his three crown princesses, must take a fourth. Seora meets a carefree man, Nari, who interferes with her work, only to discover he is the crown prince himself. Lee Seon proposes a deal: Seora becomes his fourth crown princess to uncover the murderer behind the previous deaths, promising her anything she desires in return. Reluctantly, Seora accepts and enters a contract marriage. As they work together, Seora finds herself drawn to Lee Seon, whose sincerity and care begin to melt her guarded heart. Their relationship blurs the lines between duty and affection, leaving Seora questioning if their arrangement can remain purely business. **Original Webtoon:** [KakaoPage](https://page.kakao.com/content/65786744), [Daum](https://webtoon.kakao.com/content/%EB%B9%88%EA%B6%81%EC%9D%98-%EC%9D%B4%EC%A4%91%EC%83%9D%ED%99%9C/4360) **Official Translations:** [Japanese](https://jp.piccoma.com/web/product/178527)