S1, E5: An audition show to debut as a global girl group, “My Teen Girl”! Now, it’s the competition between the freshmen and sophomores! Who will win? The first semester’s final exam begins. In the battle to see who’s better in the same category, the girls perform with the same song. The pretty one, the competent one, the talented one. A keen competition to take the “heart-fluttering part” begins. Which grade will be the final winners and who will be eliminated?