The ultimate corporate tournament known as the S/J League begins. Sunlight Beverage makes it into the top four, but for some reason Tatsuru hasn't shown up to their semifinal match. The scheming of an executive director who does not take kindly to the badminton club gets Tatsuru called into a board meeting where he is in danger of being fired. Tatsuru does everything he can to fight back. Meanwhile, Sota and Toya battle fiercely against Kirishima and Oginome of Unisics...