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...
I don't think Ko-san will regret 
choosing to become a coach.
.لا أعتقد أنّ كو-سان سيندم على قرار التدريب
Ko-san wird es nicht bereuen,
uns als Trainer zu unterstützen.
No creo que Ko se arrepienta
de escoger ser entrenador.
No creo que Ko se arrepienta
de escoger ser entrenador.
Je pense que Kô ne regrettera pas
d’avoir choisi ce poste.
Non credo che Ko si pentirà 
della sua scelta di diventare un coach.
Acho que o Koki não se
arrepende de virar técnico.
Не думаю, что он пожалеет,
что стал тренером.