Modern college student K transmigrates into a historical romance book as Cha Seon-chaek, a minor noble from a wealthy family. She initially seeks a tranquil life but becomes entangled with the male lead after a drunken encounter. She desperately attempts to steer him back to the original female lead to restore the story's original plot.
Cha Seon-chaek drives the narrative by altering the original plot to save her love interest and change fate.
The protagonists unite strategically to defeat common enemies and secure their future together.
Cha Seon-chaek enters the royal bride selection under King Seoljong's authority, navigating court politics.
Prince Seonghyeon acts as a primary antagonist whose plans endanger the protagonists and their goals.
Do Hwa-seon's political maneuvers create obstacles for Cha Seon-chaek's position and safety.
Prince Seonghyeon's schemes directly target Cha Seon-chaek's safety and her efforts to alter the story.
Jeong Su-gyeom and Cha Seon-chaek form a strategic alliance to uncover truths and navigate crises.
They interact within social circles, initially as acquaintances before romantic tension and alliances develop.
Explore the full interactive character relationship map of The First Night with the Duke