3girls, bdsm, black_hair, blue_eyes, bondage, bound, breasts, cloth_gag, gag, gagged, hinatsuru_(kimetsu_no_yaiba), improvised_gag, kimetsu_no_yaiba, magnolia-baillon, makio_(kimetsu_no_yaiba), multicolored_hair, multiple_girls, over_the_nose_gag, purple_eyes, sash, scared, shibari, suma_(kimetsu_no_yaiba), transparent_background