Ayanokouji's second year at the Advanced Nurturing High School unfolds amid fresh academic challenges and an intriguing new class of first-year students. A specially designed exam restructures the competitive landscape, pairing first-years with second-years for a decisive written test where only the second-year students face the threat of expulsion if their combined performance falters. The situation intensifies when Ayanokouji detects a disturbing revelation: one of the new first-year arrivals carries a connection to the White Room. Now facing simultaneous threats—potential expulsion and the sudden emergence of a shadowed adversary from his past—Ayanokouji must accomplish an intricate balance: excelling in the examination while simultaneously exposing this hidden opponent's true identity and motives.