1girl, ass, atsuko_(blue_archive), back, back_cutout, blue_archive, blue_leotard, blush, bow, breasts, brown_eyes, closed_mouth, clothing_cutout, feet, from_behind, full_body, hair_bow, hair_over_shoulder, hands_on_feet, kneehighs, legs, leotard, long_hair, long_sleeves, looking_back, medium_breasts, nagata_gata, no_shoes, partially_undressed, purple_hair, simple_background, sitting, socks, soles, solo, thighs, toes, white_background, white_socks, yokozuwari