1girl, backpack, bag, black hair, brown eyes, collared shirt, dress, emphasis lines, hair bobbles, hair ornament, instrument, looking at viewer, low twintails, motion blur, motion lines, mouth hold, necktie, pinafore dress, playing flute, pleated skirt, randoseru, recorder, red dress, running, shirt, short hair, short twintails, skirt, sleeveless, sleeveless dress, solo, sweat, twintails, white shirt, yellow background