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...
Come on. Why do you think there are two of us?
هيا. لماذا يوجد اثنان منا برأيك؟
Wieso glaubst du,
sind wir hier zu zweit?
¿Por qué crees que somos dos?
¿Por qué crees que somos dos?
Purée… Pourquoi on est deux,
à ton avis ?
Ma sentilo. 
Secondo te perché siamo in due, qui?
Qual é! Por que você
acha que somos em dois?
Как думаешь, почему нас двое?