Young-ran, who doesn't know that it's a five-year-old's birthday, has been chasing Chan-woo, who doesn't like it. Young-ran, who keeps secrets and plans parties. It's finally birthday. Young Gyu smiles and points out as the young lady keeps making mistakes. Whenever the young woman is wrong, Young Kyu picks up the cock and points out the words and corrects them. In addition, he is angry when Young-gyu points to her mistake even in front of her friends. Young Kyu promised not to do it again. However, when the young lady makes a mistake, she feels anxious to tell her. (Source: SBS)