Arima and Yukino finally become ""boyfriend and girlfriend"". But preparations are underway for the school Field Day. resulting in a state of controlled chaos. As both of them have the trust of students and faculty alike, they are given positions of leadership, which cause them to pass one another by in school for days on end. This situation causes them serious agitation. And when the Field Day is over, another boy starts to cramp Arima's style in a big way: Asaba Hideaki, the handsome, popular young man from Class F.