over the mouth gag, cloth gag, improvised gag, gag, gagged, 1girl, bound, bondage, bdsm, solo, pantyhose, panties, underwear, purple eyes, shibari, school uniform, black hair, skirt, rope, blush, shibari over clothes, restrained, breasts, looking at viewer, short hair, arms behind back, white background, simple background, sitting, no shoes