Mikoto loses against Tatsuru and is forced to play doubles with him. However, due to their polar opposite personalities, they struggle to get along both at work and at practice. Meanwhile, Sunlight Beverage has a practice match against the powerful Unisics team. Mikoto and Tatsuru face off against Kirishima Hayato and Oginome Daiki, the world's second ranked men's doubles team. It's an intense battle against a superior team, but...

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...