"Lee Gyun is a prominent character in the Japanese manga ""Joseon's Ban on Marriage"". He appears throughout the story as a central figure in the romantic plotline. Lee Gyun is known for his striking looks, intelligence, and charming personality.

Lee Gyun is the second son of a noble family in Joseon, and this adds to his allure and influence in the story. He is introduced as a confident young man who is not afraid to speak his mind. He is deeply interested in politics and aspires to become an official to bring about change in his country.

Initially, Lee Gyun sees marriage as an obstacle to his ambitions. He believes that taking a wife would force him to devote himself to familial duties and compromise his political career. However, his perspective changes when he meets the female protagonist, Na-young.

Na-young and Lee Gyun's relationship is the focus of the story. Lee Gyun is drawn to Na-young's intelligence, independence, and beauty. Despite the societal norms that govern their interactions, Lee Gyun and Na-young develop a deep bond that eventually leads to romantic feelings.

Throughout the story, Lee Gyun faces numerous challenges as he pursues his political ambitions and his love for Na-young. He is involved in several political scandals, which threaten to derail his career. At the same time, he also finds himself caught in a battle between his love for Na-young and his sense of duty to his family and country.

Despite the challenges he faces, Lee Gyun remains steadfast in his commitment to both his political ambitions and his love for Na-young. He is willing to take risks and make difficult choices to achieve both goals.

In conclusion, Lee Gyun is a well-rounded character who adds depth to the story of ""Joseon's Ban on Marriage"". He is a man who is passionate about politics, but also capable of deep love and sacrifice. His development in the story is fascinating, and his story arc adds intrigue to the overall narrative."