Yeollyeobakssi Gyeyakgyeolhondyeon

On her wedding night, the virtuous woman Park Yeon-U suddenly lost her husband. To make matters worse, she was kidnapped by a villain and thrown into a well, only to wake up in 21st-century South Korea…?! To make matters worse, the man who rescued her, a dead ringer for her husband, proposes a fake marriage! The bold and virtuous Lady Park Yeon-U and the confirmed bachelor Kang Tae-Ha enter into a contract marriage of conflicting dreams.

(Source: Naver, translated)

Note: Includes 10 extra chapters.