With the island test over, Ayanokoji Kiyotaka and the others are enjoying their summer vacation on a luxury liner. Suddenly, they're interrupted by a new special test. Ayanokoji is called into the same room as Karuizawa Kei and others, where they learn that this test isn't strictly along class lines...

Karuizawa is pushed to her breaking point by the girls of Class C. Ayanokoji watches impassively, but Yukimura flies to her aid, unable to bear it. Noticing Karuizawa's abnormal levels of fear, Ayanokoji seems to get an idea...