Rule 34 Dev - 1boy 2016 animal_genitalia animal_penis anthro balls black_hair blue_eyes dakota_(dark_stallion) equine equine_penis grass hair half-erect hooves horse horsecock kneeling looking_at_viewer male male_only mammal mane medial_ring mottled_penis navel nipples nude outside penis presenting presenting_penis solo spartadog spots|2222623344