Rule 34 Dev - animal_genitalia animal_penis balls clothing equine_genitalia equine_penis erection fangs feral genitals hooves horn male mostly_nude nude penis presenting presenting_penis scarf scarf_only simple_background solo teeth text tongue topwear white_background young young_feral young_male principericardo friendship_is_magic hasbro my_little_pony arthropod changeling equid equine horse hybrid insect mammal pony 2021 absurd_res black_and_white character_request digital_drawing_(artwork) digital_media_(artwork) full-length_portrait greyscale hi_res monochrome portrait signature|12842356205