In the ‘billion-won breakfast’, Representative Yoon Song-yi, the real model of Lee Na-young, appeared and shared behind-the-scenes stories about the drama. On the 13th, the tvN story ...

Representative Yoon Song-yi, an elite in the top 1% of the world ... In fact, he is the real model for actress Lee Na-young in the drama 'KAIST.' He earned the title of genius girl in her ...