Students of the prestigious Tokyo Metropolitan Advanced Nurturing High School are given remarkable freedom - if they can win, barter, or save enough points to work their way up the ranks! Kiyotaka and the rest of the class are finally able to enjoy the remainder of their summer vacation after finishing their grueling special exam. But before long, they receive a message on their phones about the next test - a mind game that will have them working together with the classes they just finished competing against. The stage is set for the next arc of this psychological drama!