1x19 - A-TEEN

Kim Ha-na keeps avoiding Do Ha-na and her friends from that day when some other girl called her Jo-yeon. Kim Ha-na envied Do Ha-na so much she decides to become different from Do Ha-na. But among all the things she's done to be different from Do Ha-na, there's nothing that she really wanted to do. She used to be an extra but now she's Kim Ha-na.