On the night before Akuru's birthday, Yoshiko and Sayaka sneak into Akuru's room to search for a hint on what Akuru wants for a present. The disciplinary committee president hears of their scheme and joins them, but their plans are derailed, with Yoshiko and the disciplinary committee president going after a sleeping Akuru!

In order to make the cultural festival that she looked forward to so much a success, Emura volunteers to join the cultural festival committee. Progress on the class attraction is slow, so she and her friends stay overnight at school to get some work done, but then Yoshiko enters the scene. The three girls try to get rid of her, but they get sucked into her game...