abs animal_genitalia animal_penis anthro anus balls bara barazoku bedroom_eyes big_balls big_penis black_hair closed_smile equine_genitalia equine_penis erection flared_penis forest gaping gaping_anus genitals grey_body hair hands_behind_head happy hooves lying male medial_ring muscular muscular_anthro muscular_male narrowed_eyes nipples on_back penis plant relaxed relaxing seductive solo spread_legs spreading tree vein veiny_penis rulethony34tano_(director) eeyore asinus donkey equid equine mammal tail hi_res