Rule 34 Dev - 5_fingers animal_genitalia animal_penis anthro balls black_balls black_hair black_penis bodily_fluids bucephalus cum equid equine equine_penis erection excessive_cum fingers genital_fluids genitals hair horse hungrypaws looking_at_viewer male male_focus male_only male_solo mammal medial_ring muscular muscular_anthro muscular_male nude open_mouth penis smile solo solo_male|5692746112