The first year students in the Song Class are tasked with working backstage at Aikatsu TV, setting up a stage for a fashion show that Hime and Yozora are appearing in. Despite hoping to see more of Hime, Yume finds the job more arguous than she expected. On the morning of the show, Yume comes across Hime, who shows her that much like the strings of a piano, everyone needs to be working at their best to make a show succeed. As the show begins, Yume further learns that everyone is able to do their best because of the extra effort Hime and Yozora put in to draw it out.