Rule 34 Dev - animal_genitalia animal_penis apple artist_name balls blush body_blush brown_anus brown_balls brown_body brown_horn brown_penis brown_perineum bucklucky butt_blush ears_back english_text equid equine equine_genitalia equine_penis erection feral food fruit genitals glistening glistening_eyes gradient_penis green_eyes green_hair hair hi_res horn lying male mammal on_front open_mouth open_smile penis perineum pivoted_ears plant rear_view red_penis smile solo speech_bubble story story_in_description tail tail_tuft teeth text tickling tickling_genitalia tickling_penis tuft unicorn unicorn_horn|8607577224