As life resumes aboard the cruise following the Island Special Examination, the Tokyo Metropolitan Advanced Nurturing High School's first-year students are thrust into yet another rigorous special exam. This time, both individual and class standings hang in the balance, amidst a web of intricate rules. Complicating matters further are the emergence of Kakeru Ryuuen, determined to surpass all with no moral constraints after a previous defeat, and Kei Karuizawa, on the verge of collapse due to her haunting past. With Kiyotaka Ayanokouji at the helm, armed with his strategic brilliance and unyielding tactics, Class D faces a critical juncture as external threats loom large, testing their unity and resolve.