Every cosplay club in Japan shares the same dream: to win first place at the Cosplay World Series. East Oizumi Academy's club is no exception; under the leadership of Gorou Yorozuyo, its members devote every moment to training and preparing for competitions. Nevertheless, even with ace cosplayer Chako Hasegawa and the shape-shifting abilities of the fairy Delmo on their side, the club must put in hard work if they aspire to become the best in Japan.