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.