1girl, ass, black_thighhighs, braid, braided_hair_rings, closed_mouth, crop_top, greyscale, hair_rings, kotoyama, long_hair, looking_at_viewer, monochrome, nanakusa_nazuna_(yofukashi_no_uta), short_hair, short_shorts, shorts, simple_background, sleeveless, solo, thighhighs, yofukashi_no_uta