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...

Traumatized by injuring Azuma at the Interhigh, Mikoto is powerless against Tonozaki Shiryu and Tachibana Azuma's doubles team. Azuma, however, confronts Mikoto head on. With Tatsuru's help, Mikoto and Tatsuru's team gradually regains its form. Their match grows increasingly fierce. Can Mikoto reclaim what he lost...?