Equation for Victory / Sakaki of Class 3, Kagura of Class 5 / Runaway Victory / Yay / Dancing the Grand Finale.The athletics carnival is soon approaching. Yukari tells her class to only think about winning, especially against Nyamo's class, promising them juice if they win. On the day of the athletic carnival arrives, Yukari attempts to sabotage Nyamo's star student, Kagura, by offering her an anpan, but she is caught by Nyamo in the process. Sakaki defeats Kagura in the 400 meter dash. Chiyo and Osaka have poor teamwork in the three-legged race and constantly falls onto their faces. Nyamo's class defeats Yukari's class in the tug-of-war. Since Chiyo claims she has not done anything to help the rankings of her class, she is assigned to be a cheerleader. Sakaki closely wins the baton relay over Kagura. Afterwards, the school participates in a folk dance together. Kaorin is delighted when she gets to dance with Sakaki. However, her mood quickly reverses when she gets Kimura as her next partner. Because Yukari's class won the athletics carnival, Nyamo gives Yukari ten thousand yen. Nevertheless, Nyamo takes the money back due to money Yukari owes her, as the latter escapes the situation of being unable to pay for juice for her class.