Doubles teams are reassigned when a new member joins the badminton team, and former singles player Saeki Sota is assigned to play doubles with his brother Toya. Toya is excited to play doubles with his brother, but Sota's feelings on the change are complicated, and a fight between the two threatens to dissolve their doubles team entirely. Meanwhile, Toya finds himself in a bind at work, too...

It's the finals of the S/J League. Their opponents are reigning champions Mitsuhoshi Bank. Usuyama takes on the number one ranked ultimate ace Ibuki Sentaro. Once known as "Usuyama of the East" and "Ibuki of the West," the showdown between these former rivals takes an unexpected turn. Mikoto and Tatsuru take on Kirishima Takuma and Izumo Naohiro in the crucial match. Mikoto and Tatsuru are tossed about by Takuma's overwhelming might...