rule 34 arms behind back arms tied arms tied behind back black hair black stockings blue eyes blue ribbon blush blush lines blushing at viewer bottomless bound bound and gagged bound arms bound wrists cloth gag edit edited female female only footwear gag just some guy kanojo okarishimasu kneeling kneeling female kneeling on ground kneesocks light skinned female light blue background long sleeves looking at viewer navel no panties nude edit nude filter on display over the mouth gag ribbon sarashina ruka short hair solo stockings sweater sweater only third party edit tied hands tied wrists topwear topwear only turtleneck sweater 7722405