FURVERT!

2015 animal_genitalia animal_penis anus balls black_balls black_mane black_markings black_tail brown_body brown_eyes butt dated dock_(anatomy)equid equine equine_anus equine_genitalia equine_penis erection feral genitals gradient_background horse male mammal mane markings mouth_closed penis pink_penis raised_tail rufciu signature simple_background solo tail tail_anus white_markings