The girls, whose unit is named Nagarekawa Girls, are joined by a mascot character, Uogokoro-kun, who is revealed to be Yui Mikoze, a petite student who is actually their senior at school. Nanako's classmates Noda and Satsuki come to their next gig. Oota gives Nanako and Yukari new uniforms. The rainy weather threatens to clear out the audience until Nanako comes up with an idea.