Rule 34 Dev - animal_genitalia animal_penis anthro arms_above_head balls blue_eyes butt equine_genitalia equine_penis femboy fur genitals grin looking_at_viewer lying male medial_ring mottled mottled_genitalia mottled_penis naughty_face nipples nude on_back on_side one_eye_closed penis piercing pink_body pink_fur presenting raised_tail smile solo submissive tail tattoo wink winking_at_viewer dreaming_of_art_things luckystallion13 equid equine horse mammal 2018 hi_res|7885389995