1girl, ass, bed_sheet, black_pantyhose, close-up, crotch_seam, feet, foot_focus, foreshortening, from_behind, kuroshiro_no_tsubasa, legs_together, lower_body, original, panties, panties_under_pantyhose, pantyhose, presenting_foot, shiny_clothes, shiny_legwear, soles, solo, toes, underwear, white_panties