rule 34 ambiguous penetration anthro bed black hair blue eyes blush breasts canid canine closed eyes digital media artwork dildo gy style female femalefemale fenavi montaro fennec feretta fox from behind position fur furniture grey body grey fur hair heart herm lore hi res mammal on bed penetration red fox sex sex toy shaded shaking silver fox simple background small breasts strap on strap on sex tail motion tailwag toying partner trembling vix feretta yellow body yellow fur 5364019