After overcoming their second year's 'end-of-year special exam,' Horikita and the former first-year Class D had finally ascended to the third-year Class A. However, their greatest key figure—Kiyotaka Ayanokouji—had transferred to another class.
The students within Horikita's class found themselves engulfed in confusion and turmoil… yet one cruel truth stood before them.
Unless the Horikita-led Class 3-A were to defeat "Kiyotaka Ayanokouji," they would not be able to graduate from Class A.
As Ryuuen's Class B continues to grow and new connections form between Ayanokouji's Class C and Ichinose's Class D, the first special exam in their third year is announced: the "Comprehensive Academic Ability Exam: Full-Class and Small-Group Battles"!
Only one class can graduate as Class A. Which class will rise to the top?
The long-awaited "Third Year Arc" begins!