FURVERT!

1:1 2016 anatomically_correct anatomically_correct_anus anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus backsack balls black_body black_fur digital_media_(artwork)equid equine equine_genitalia equine_penis erection feral fur genitals gradient_background grey_background grey_body grey_fur hi_res hooves horse male mammal mane markings multicolored_body multicolored_fur on_hind_legs penis perineum pink_penis puffy_anus raised_tail rufciu signature simple_background solo spots spotted_body spotted_fur tail underhoof vein veiny_penis white_body white_fur white_spots