3girls, armor, bdsm, black_background, blue_eyes, blue_hair, bondage, boots, bound, chain, elbow_gloves, gloves, green_eyes, green_hair, headband, long_hair, looking_at_viewer, medium_hair, miniskirt, multiple_girls, red_eyes, red_hair, short_hair, siblings, simple_background, sisters, skirt, thigh_boots, thighhighs, thighs