As the second year draws to a close, the day of the final battle, the "End-of-Year Special Exam," arrives. Three representatives from each class—a vanguard, a center, and a general—will face off in a single-elimination tournament. To make things more difficult, the contents of the exam will remain secret until the day of, leaving the students scrambling for an edge up on the competition. And when Ryuuen and Sakayanagi face off, it's time to go hard or go home—because one of them will make it to their third year, and the other will be sent packing.