0 0, 5boys, 6+girls, :d, aldehyde, antenna hair, baton (conducting), collared shirt, comic, dress shirt, faceless, faceless male, flying sweatdrops, furigana, grand piano, greyscale, hair ornament, hair over shoulder, hairclip, holding, indoors, instrument, long hair, low twintails, monochrome, multiple boys, multiple girls, original, piano, pleated skirt, profile, sailor collar, school uniform, serafuku, shirt, short eyebrows, short sleeves, skirt, smile, standing, thick eyebrows, twintails, window, wooden floor