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Three schoolgirls in uniforms stand in a classroom, one adjusting her hair while the other two look on with concerned expressions. The scene transitions to a black and white shot of a girl's skirt as she moves, followed by a group of five girls in school uniforms performing a synchronized dance on a stage with a banner, then three girls in pink full-body suits with antennae dancing, and finally a single girl with pink hair in pigtails smiling in front of a chalkboard.