It's spring, and for the first time in the school's history, no one has been expelled after the third semester exams. As a result, the Advanced Nurturing High School sets a cruel test—each class must choose one of their own members to be expelled. Chaos consumes the first-years as Hirata tries and fails to keep the class from turning on each other, Ichinose strikes a costly bargain with Nagumo, and Ryuuen's classmates seem ready to throw him to the wolves. Can Class C make it out of this unscathed—or will they be undone by traitors within?