What would you do for $500k? As a struggling actress, I agreed to play the part of Doting Fiancée to Jeekyung Lee, a charming, handsome heir to a Korean conglomerate—the perfect husband! Except, he’s gay. Eh, it’s fine! The only problem is... (cue ominous music) Jeehan, Jeekyung’s younger brother. That jerk may have the looks of a leading man, but he’s determined to show I’m the wrong girl for Jeekyung! It’s gonna take the performance of my life to win him over. Hah! I’m ready for my Oscar! (Source: Tapas)

Seo Ida suddenly finds out that she has a twin after 24 years of living in an orphanage. Because her twin ran away from home, Seo Ida is offered the job to marry her twin's fiance for one year, in exchange for one billion won. (Source: Naver, translated)