FURVERT!

anthro anus backsack balls bottomwear bottomwear_down butt canid canine clothed clothing dipstick_tail erection fox fur genitals looking_at_viewer looking_back male mammal markings panties pants pants_down partially_clothed penis presenting presenting_hindquarters rear_view solo tail tail_markings underwear underwear_down undressing vulpes_(vulpeschild)vulpeschild