1other, 3girls, o, accidental_exposure, ass_visible_through_thighs, bag, blush, bow, bow_panties, bowtie, clothes_lift, dress, flute, forehead, greyscale_with_colored_background, holding, holding_instrument, instrument, kaai_yuki, kyoufuu_all_back_(vocaloid), looking_at_viewer, midriff_peek, monochrome, multiple_girls, music, noyama_(noyama8888), original, outdoors, panties, pinafore_dress, playing_instrument, pov, pov_hands, recorder, school_bag, school_uniform, skirt, skirt_lift, sleeveless, sleeveless_dress, speech_bubble, sweater_vest, underwear, vocaloid, waving, wind, wind_lift, yellow_background