Kanna becomes downhearted when Kobayashi mentions she can't attend her school's sports festival due to work. Upon noticing Kanna hold back her selfishness after seeing how hard she works, Kobayashi works overtime in order to get the day off for the sports festival. During the festival, Kanna, Riko, and Shouta all take part in various events. During the final relay race, Riko falls behind after dropping her baton, but Kanna makes up the lost distance and wins the festival for her class.