How did Lee Joon-ki of the Nocturnal Scholar fall in love with the female lead? Didn't he like his dead first love very much? He didn't understand. The relationship between Lee Joonji and the female protagonist in the book was a long process. In the beginning, Lee Joonki did have special feelings for the female protagonist, but his first love made it difficult for him to let go of the past. However, in the process of getting along with the female lead, he gradually discovered that the female lead also had a unique charm. Her intelligence, courage, and kindness made him admire her more and more. As the plot developed, the relationship between Lee Junki and the female protagonist gradually warmed up. He gradually realized that his feelings for the female protagonist were no longer pure first love, but deep love. In the end, at the climax of the plot, the relationship between Lee Joon Ki and the female protagonist finally broke through and they finally came together. Therefore, the process of Lee Joon Ki falling in love with the female protagonist in the book was a process of gradually discovering the unique charm of the female protagonist through the interaction and emotional communication with the female protagonist, and gradually realizing that his feelings for the female protagonist had finally broken through and expressed.