For the school cultural festival, Kae's class decides to host a cosplay café. Kae is fired up about designing the costumes not only for her classmates Igarashi and Nanashima, but also for Shinomiya, who's playing the role of a princess for his class which is putting on a play. But as excited as she gets about the costumes, she also has to help the history club set up its exhibition. With everyone's help, she manages to finish everything in time for the festival. And what follows is a date with the four hot guys...