October 13th: King of the Hill

Students of Yamabuki Art High School, including Yuno and her friends, participate in a sports day event. Yuno's class under Yoshinoya represents the red team, while Natsume's class represents the white team. Later, the red team manages to defeat its rival, the white team. After the competition, Yuno and her friends together go back to their apartment and look back what they have done during the day.