rule 34 2023 3 fingers 3 toes animal genitalia animal penis anthro anus ass backsack balls bar emanata bat biped birdvian black body canine genitalia canine penis closed eyes cute fangs dialogue digitigrade emanata english text erection feet feral fingers flesh fang foreskin genitals glans grey background hi res humanoid genitalia humanoid penis knot male mammal nude one eye closed open mouth open smile outline penis perineum presenting presenting hindquarters purple outline purple penis purple tongue simple background smile tail text thick thighs toes tongue upside down wings 8895164