It's the quarterfinals of the national corporate badminton tournament. Their opponents are the powerful Unisics team they lost to in a practice match. The members of SunBev are eager to get revenge. Mikoto and Tatsuru take on Kirishima and Oginome in a rematch. Their match is a fierce back and forth game of offense and defense. From the stands, QA department employee Usuyama watches them play.
Allow me to explain! If I imagine 
my opponents are naked...
...اسمحوا لي بالشرح! إن تخيّلت خصومي وهم عراة
Ich erkläre es euch!
Wenn ich mir meine Gegner nackig vorstelle …
Lo explicaré.
Si imagino a los rivales desnudos…
Os lo explicaré.
Si imagino a los rivales desnudos…
Je t’explique !
J’imagine qu’ils sont nus et…
Mi spiego meglio! 
Immaginando i miei avversari nudi—
É assim: se eu imaginar
o adversário pelado...
Дай я объясню! Как представлю
соперников голыми...